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imgMr.Prof™¯ ¯↓

ENGLISH 2017 NECO ANSWER


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OBJ ANSWER:
ENGLISH OBJ
1-10: AEADDBEDEE
11-20: EECDBBCBDD
21-30: CDDDADCADD
31-40: BBDDCDDDCE
41-50: CACBCECBBD
51-60: DBCCABDCBB
61-70: AAECEBDBAD
71-80: ABCDDBCCAD
81-90: CBECDECDCD
91-100: DAACDCAECB
++++++++++++++++
ORAL ENGLISH:
1-10: BDEDECEEAA
11-20: AACEBBBCDC
21-30: DCEEBCDEAD
31-40: ACEDBCDBDB
41-50: AADDCDADEC
51-60: CEDBBBDBDA

THEORY ANSWER:
(5a)
Because his son, Scott died of
heroine overdose

(5b)
He suspended taking drugs for a
period of time because he was detained in the prison for few weeks

(5c)
(i) Because he has been without the
drugs for few weeks, so his body cannot ake his normal dose.
(ii) His final shot of drug contains
impurity urine acetylcodeine

(5d)
(i) Legalization of drug usage so as to have clean control of the environment
(ii) To regulate the supply of the drug as done to other drugs eg alcohol and tobaco

(5e)
(i) Adjectival clause
(ii) It qualifies the noun "Howard
Douglas"

(5f)
Because the drug problem has not
affected the sons of the prominent
families eg house members.

(5g)
Many young people get involved in drugs because the could not get grips of the world where majority are hungry while a few has more food than the wanted

(5h)
(i) Staunch – firm
(ii) Firmly – strongly
(iii) Inquiry – research
(iv) Concedes – admits
(v) Tackle - solve
(vi) Associates – partners

============================

(6)
(i) Parents can teach their children to form good health habit
(ii) People should eat more good food than modern processed or packaged foods.
(iii) Avoidance of over-eating to prevent obesity
(iv) Maintaining a balanced diet with variety of fruits and vegetables.
(v) Drinking plenty water and avoidance of sweetened drinks.


ESSAY WRITTING:
Your are required to answer only one question from this section, Your Answers should not be less than 450 words.All question carries equal marks. Your are adviced to spend about 45 minutes on this section

(1)The library and debating society of your school is organising a debate on the topic: Poverty and not corruption is the Bane of our society Write your argument for or against the motion
(2) Write an article suitable for publication in a national news paper on the dangers posted by the use of commercial motorcycles in our cities and suggest ways of curbing them
(3) Write a story that best illustrates the saying A leopard cannot change its spot
(4) Write a letter to the honorable
minister of agriculture on ways of
boosting agriculture in your country





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imgMr.Prof™¯ ¯↓

BIOLOGY 2017 NECO ANSWER



OBJ ANSWER:
BIOLOGY OBJ:
1-10: DADEAABCAA
11-20: ECEBBAADBC
21-30: BBABCAADAB
31-40 BACCCABEED
41-50: DABCABCAAE
51-60: AEEABAEBDE

THEORY ANSWERS

(1a)
Homeostasis is the maintenance of a fairly constant internal environment despite the changes in the external environment. Eg Am Amoeba regulates the water content of its protoplasm inorder to keep it at a fairly constant level

(1aii)
(i)Auxins
(ii)cytokinin

(1aiii)
-Euglena is regarded as an animal
because
(i)It feed on ready-made food
(ii)It does not have a cellulose cell wall but has a plasma membrane
-Euglena is regarded as an plant because
(i)It has a chloroplast
(ii)It can manufacture it's food

(1bi) Factors that affect transportations are
(i)Temperature
(ii)humility

(1bii)
DRAW (8-10cm long) of the image (eye) given
NOTE: YOU MUST LABEL ONE SIDE ONLY

============================

(2a)
-Beak: for picking food substances eg grains worms -Crop: functions as chamber where food
is temporarily stored
-Gizzard: connects crop with intestine and for grinding food into small particles by churning action
-Liver: secretes bile, prepares fat, deanimation of proteins etc

(2bi)
-arteries carry blood away from heart except pulmonary artery while veins carry blood to the heart
-arteries carry blood under high pressure while veins carry blood under low pressure
-presence of valves while vein absence of valves
-presence of pulse while vein absence of pulse

(2bii)
-Nephritis
-Oedema
-Diuresis
-Kidney stones

(2biii)
-they ensure proper environmental
sanitation
-they provide drugs / vaccine
-they establish quarantine section
-they render health services to people
-they give health standards

============================

(3ai)
Enzymes are organic catalyst which are usually protenious in nature that speeds up the rate of a chemical reaction in a living organism and they remain chemically unchanged at the end of the reaction

(3aii)
Cyclosis is a regular cyclic movement of protoplasm within a cell. It is the circulation of cytoplasm or cell organelles, such as food vacuoles in some protozoans

(3aiii)
peristalsis is the involuntary constriction and relaxation of the muscles of the intestine or another canal , creating wavelike movements that push the contents of the canal forward

(3bi)
-Yankari Game Reserve - Bauchi
-Borgu Game Reserve - kano
-Okwangwo Game Reserve - Cross River

(3bii)
I = incisors,C = canines,P = premolars,M = molars
For adult man it is
I:2 / 2,C:1/ 1,P:2/ 2,M:3/ 3
= 16 x 2 = 32

(3ci )
TABULATE
-The outer layer of the fruit is the exocarp while the outer layer of the seed is the testa
-Fruit contain high amounts of moisture while seed contain low amounts of moisture
-Fruit undergoes a ripening process while seed does not undergoes a ripening process
-after fertilization , the ovary convert into Fruit while after fertilization, the ovule convert into seed

(3cii )
-The fluid allows the baby to move
around while it is developing . This movement allows for bone and muscle development
-The fluid also helps to keep the fetus nice and warm by keeping heat in. It also helps to keep the temperature consistent
-The fluid offers protection from any blows that may come to the uterus area
-It may cushion the blow if the mother falls

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(4ai)
Decomposers are organism that break down complex organic molecules in dead plant and animal materials in stage, into simple organic molecules and finally into
inorganic substances

(4aii)
Habitat is a kind of place where an
organism lives in nature

(4aiii)
Mutations is a permanent change in DNA structure that may alter or destroy a given character or give rise to a new character

(4bi)
(i)For tourism
(ii)For source of foreign exchange
(iii)For source of energy

(4bii)
(i)Fission
(ii)Budding
(iii)Fragmentation

(4biii)
Functions of blood
(i)Transportation of digested food
substance
(ii)Transports oxygen
(iii)Transports excretory products
(iv)Distributes heat and equalizes body temperature
(v)destroys bacteria through blood
corpuscles

(4biv)
TABULATE SEXUAL REPRODUCTION
(i)often two parents needed
(ii)Gametes produced
(iii)Offsprings show new variation

ASEXUAL REPRODUCTION
(i)only one parent needed
(ii)No gametes
(iii)Offsprings identical

============================

(5a)
Primary succession is that which occurs in an area where no community existed before and involves the formation of new soil.it may begin from a bare dry environment or an aquatic environment

(5aii)
Primary root is that which develop first and originates from the radicle of the seed of a plant. It is essential for the anchoring of the plant and ensure plant growth.it eventually develop into the tap
root and fibrous root

(5aiii)
Micronutrient is define as a class of
chemical compound which is needed in largest amounts or quantities by organism. They are carbohydrates, protein and lipids

(5bi)
(i)Asthma
(ii)lung cancer
(iii)pneumonia

(5bii)
(i)Quarantining
(ii)Prohibition
(iii)Biological control
(iv)chemical control

(5biii)
(i)variation aids crime detection
(ii)Variation enable and assist in blood transfusion
(iii)variation help in determination of the paternity of a child

(5c)
Seed germination
(i)seed absorbs water and swell
(ii)testa splits
(iii)radicle appear and grows download into the soil
(iv)plumule appears and grows upwards through the soil until it reaches the surface.


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LITERATURE 2017 NECO ANSWER


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(3)
MALUGUS DECEITFUL AND CORRUPTION
:
Throughout the play, The Blood of a Stranger, deceit permeates every aspects of the characters' lives especially the antagonist such as Whitehead, Maligu, Parker and Soko. Maligu's deception is made known from his plans to make fortune from the white man's visit, at the expense of the people of Mandoland. This is evident in his conversation with Soko, from whom he canvasses support for his mischief. To the morally dangling priest, he says: "Do you want to die a poor man?" Similarly, Soko deceives the entire village regarding the coming of the white man when he lies that the oracle has indeed prophesied the event and that a virgin girl be sacrificed. In addition, the white man, Whitehead, and his assistant, Parker, connive to rob the village of her naturally endowed diamond while fooling the king and the palace chiefs that his mission is to
empower the villagers through tobacco farming. With this, Charley seems to portray the deceptive and amoral means, which the White colonialists used in raping their colonies, African countries, of their God- given natural resources.

============================

(10)
The Dining Table is a serious poem that records what the poet witnessed during the Sierra Leonean war. The poem opens with a powerful use of imagery that sparks off the reader’s senses. The poet describes to the reader the horrific nature of the war which was characterised mainly by shootings, maiming and death. The main cause of conflict was the struggle for the control of Sierra Leonean diamonds, the most significant mineral wealth in Sierra Leone which the poet symbolically
portrayed as “dinner”. In the second verse, the poet recalls how the guerrillas operated freely and how they brutally killed and terrorised the people. He remembers how the government forces and their allies which he describes as “crocodiles” also killed and committed atrocities during the war. He also recalls how Sierra Leone was thereafter threatened by an outbreak of the cholera epidemic which led to the death of many of its population. In the third verse, the poet resolves to be a change- agent (a revolutionary). He admits that though he desires a political revolution, he lacks the
power and the needed support for a revolution, having just survived a
brutal war.

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(12)
The poem “The Pulley” illustrates the relationship between God and man especially his benevolence to man. The first stanza describes how God made man and blessed him with worldly riches: “When God at first made man, Having a glass of blessings standing by”. The stanza also portrays the concept of Trinity as seen in the Biblical creation story in Genesis: “Let us, said he pour on him all we can” (Note the use of the phrase “Let us”).
In the second stanza, God actually poured his blessings of strength,
beauty, wisdom, honour and pleasure on man but withheld one important blessing- The Gift of Rest: “Perceiving that, alone of all his treasure, Rest in the bottom lay”.
In the third stanza, God gave his reason for withholding the gift of rest from man. He withdrew this blessing because he felt giving man the gift of rest would make him conceited or excessively proud and man may not worship him: “He would adore my gifts instead of me, And rest in nature, not the God of Nature”. With the withdrawal of rest from man, man is thrown into perpetual restlessness so that he can always remember his creator whether as a result of goodness or weariness. Mans riches makes him forget about God. But the poet using the illustration of a pulley. Described the method which God have deviced to pull man back to Himself when man has gone far away from him. When a man loses all the good things of life, he remembers God again. A man looking for a job will always attend all church activities. But once God blesses him with a good job he uses the job as an excuse. He hadly creates time for God. But God can simply pull him back by taking away the job if he feels the job is keeping you far away from him.



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CIVIC EDUC 2017 NECO ANSWER



OBJ ANSWER:
CIVIC EDUCATION OBJ:
1-10: DCDBBBCAAE
11-20: ACBCCEEBAD
21-30: EECAAEABBD
31-40: EEDCEDECCA
41-50: AACECAABAB
51-60: ACDBBADDDB

THEORY ANSWERS

SECTION I (Answer TWO questions from this section)

(1a)
(i) Unprotected sexual intercourse
(ii) Unsecured blood transfusion
(iii) Sharing of sharp objects
(iv) Mother to child transmission

(i) Unprotected sexual intercourse: People can get infected with HIV through sexual intercourse with infected partners especially when the sexual intercourse is casual and unprotected.
(ii) Unsecured blood transfusion: HIV can be spread by blood transfusion especially when the transfused blood is not properly screened.
(iii) Sharing of sharp objects: When you use the same syringe to inject more than one person, those injected stands a risk of being infected with HIV. People ho share sharp unsterilized and contaminated sharp objects like scissors, knives, manicure equipments,syringes, clippers, blades, ect stands a chance of being infected.
(iv) Mother to child transmission: A pregnant woman who has HIV can easily trnsfer the virus into her child at birth or during breast feeding.

(1b)
(i) Night sweats
(ii) Fever lasting for more than a month
(iii) About 20% weight loss or loss of appetite
(iv) Dry cough lasting for more than a month
(v) Itching stain infections.
(vi) Swelling around the neck, armpit and private part
(vii)Oral thrush whitish sports in the mouth

============================

(2a)
Human trafficking is the trade in humans, most commonly for the purpose of sexual slavery, forced labor or commercial sexual exploitation for the traffickers.

(2b)
(i)Poverty: This is a situation where a person fall short of a level of economic welfare, where a person lacks the basic human want which are clothing, food and shelter. And this leads to human trafficking

(ii) Lack of employment opportunities : Due to the bad economic situation of some countries that made some people jobless, some people therefore get lured and deceived by traffickers because they want to get out of the country and thereby using them as slaves and prostitutes in other countries.

(iii) Greed: The get rich quick syndrome has eaten deep into the minds of the young people in developing countries. Unfortunately, the society pays little emphasis on the source of wealth of their people making the youths eager to find ways to acquire wealth and be celebrated

(iv) Ignorance/illitracy: It is said that knowledge is power. Those who are not aware of the ills and effects of human trafficking are more susceptible to fall prey to the traffickers than the others. Information on trafficking empowers people to be on guide and take measures to avoid being a victim

(v) Economic system : Because of poor economic system of some countries the citizens prefer to live somewhere else and would not mind to go anywhere and because of this they become a victim.

(vi) Globalization: The world they say is a global village and as such recruitment has been made easy. The vulnerable only knows that his chance of survival economically is higher in developed societies

============================

SECTION II (Answer TWO questions from this section)

(5a)
Citizenship is the status of a person recognized under the custom or law as being a legal member of a sovereign state or part of a nation

(5b)
(i) Citizenship by Birth
(ii) Citizenship by Registration
(iii) Citizenship by Naturalization
(iv) Citizenship by Descent

(i) Citizenship by Birth: If one or both of a person's parents are citizens of a given state, then the person may have the right to be a citizen of that state as well

(ii) Citizenship by Registration: A person can be a citizen of a country through registration. This mostly occurs to women who marry foreign nationals. For instance, a Gambian woman married to a Nigerian may register as a citizen of Nigeria but she must satisfy certain conditions such as residing in Nigeria and should take the oath of allegiance to Nigeria and renounce her Gambian citizenship

(iii) Citizenship by Naturalization: This is another way through which an individual can acquire citizenship in a country. Through this method, the individual must satisfy certain basic conditions such as in the case of Nigeria, the individual must have lived in Nigeria for not less than 15 years, he must have a job, he must be an honourable person, that is, not a criminal and must be recommended by a very important person in the country

(iv) Citizenship by Descent: This is a method of acquiring citizenship of another country as a result of the fact that his grandparents are citizens of the country

============================

(6a)
Pubic Service is a body or a department in the executive arm of the Government responsible for the execution of the policies and programmes of the Government

(6b)
(i) Tribalism: This has been the yardstick for choosing who to employ and sack in the Nigerian public service

(ii) Political Instability : Constant and regular change of top rank office holders in public service brings about constant instability of rules and regulations. This constantly leads to the shortcomings in the public service

(iii) Political Interference: Many Governments in power do not allow the free flow of duties due to their undue interference which at most times is only favorable to politicians

(iv) Poor Orientation and Low Salaries: Public servants get poor or no orientations about their jobs. This is coupled with their low salary earnings as peanut which is another reason for shortcomings

(v) Lack of Qualified Personnel: Most people in various public service offices either neglect their right jobs or have little or no experience about it but carry out such services due to their search for greener pasture

(vi) Inadequate Training Facilities: The Nigerian public service lacks adequate training facilities for staff improvement of skill

============================

(7a)
Civil society refers to any entity formed by a group of people with similar interests who come together to work on a common goal

(7b)
(i) Conflict resolution
(ii) Promotion of political participation
(iii) Building community
(iv) Socialization

(i) Conflict resolution: It plays an important role in meditating and helping to resolve conflict in the state.
(ii) Promotion of political participation: It promotes political participation through the process of educating people about the about their rights and obligations as democratic citizen and also encourage them to participate in election
(iii) Building community: Engagement and participation in voluntary associations also has the potential to strengthen bonds among citizens
(iv) Socialization: Civil society contributes to the formation and practice of democratic attitudes among citizens. Thus people learn to develop tolerance, mutual trust and the ability to relate with people

============================

(8a)
Popular Participation in Politics refers to the procedure of involving majority of the citizens of a country in the decision making processes, especially on issues that affect the welfare of the generality of the populace

(8b)
(i) Bad Governance
(ii) Rigging of election
(iii) Past History of Political Occurrence
(iv) Violent Campaign

(i) Bad Governance: The government of Nigeria for instance rules in a bad and carefree manner, their act does not motivate people thereby making people to ignore and nonchalant to political activities
(ii) Rigging of election: so many citizens belief that no matter the level of security election are going to be rigged either directly or indirectly thereby they see voting as a waste of time and energy
(iii) Past History of Political Occurrence: Due to the fact that some family members, friends and relatives have been victimized in the process of participating in political issues, because of this experience people decide not to participate in politics
(iv) Violent Campaign: Sometimes, the way political parties carry out their carry out their campaigns appears too violent and this can lead to lack of interest in politics.



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COMPUTER 2017 NECO ANSWER



OBJ ANSWER:
1A 3B 4E 23D 24A 25C 27D 28E 29D
30A 31C 32A 34B 35A 36E

THEORY ANSWERS

(2a)
-Copyright is a legal right created by the law of a country that grants the creator of an original work exclusive rights for its use and distribution.
-Spam is considered to be electronic junk mail or junk newsgroup postings. Some
people define spam even more generally as any unsolicited email.
-Malware is software that is harmful to users or their computing systems.
-Hacking is the process of exploiting
vulnerabilities to gain unauthorized
access to systems or resources.
-Encryption is the conversion of electronic data into another form, called ciphertext, which cannot be easily understood by anyone except authorized parties.

(2b)
(i)Computer Slowdown
(ii) Frequent Crashes and Freezes
(iii) Excessive Drive or Processor Use
(iv) Unfamiliar Programs and Pop-Ups Or

(i) A computer program disappears from its memory, especially if there is no known removal of the program.
(ii) Unfamiliar music or sounds
unexpectedly starts playing through the speakers.
(iii) Icons appear on the desktop
unrelated to any programs that are currently being installed, or new icons seem to appear when no software has been installed.
(iv) An antivirus program will not run, or a new one will not install properly or at all.Previously installed antivirus programs will suddenly disable and can not be restarted.

============================

(3a)
(i) Copyright is a legal right created by the law of a country that grants the creator of an original work exclusive rights for its use and distribution. This is usually only for a limited time.

(3aii)
(i)Star topology
(ii)bus topology
(iii)Mesh topology
(iv)Ring topology

(3bi)Web server is a computer system, which provides the web pages via HTTP (Hypertext Transfer Protocol) While Web browser is a client, program, software or tool through which we sent
HTTP request to web server

(3bii)
Hub connects multiple Ethernet devices together, making them act as a single segment. While Switch is used to connect various network segments.


============================

(6bi)
A presentation program is a software package used to display information in the form of a slide show. It has three major functions: an editor that allows text to be inserted and formatted, a method for inserting and manipulating
graphic images, and a slide-show system to display the content.

(6bii)
(a)Slide master
(b)Slide notes (C)Transitions
(d) plain text editor

============================

(8viii)
Authentication is a process in which the credentials provided are compared to those on file in a database of authorized users' information on a local operating
system or within an authentication server.



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ACCOUNT 2017 NECO ANSWER



OBJ ANSWER:
ACCOUNT OBJ:
1-10: DCCEECABDC
11-20: DDEABDDACA
21-30: BACEAEDADB
31-40: DDCBECBBAC
41-50: ECEBDDEBED
51-60: CCAECCBADA

THEORY ANSWERS

(2a)
(i) General warrant refers to a warrant providing a law-enforcement officer with broad discretion or authority to search and seize unspecified places or
persons.
(ii) A capital expenditure is an amount spent to acquire or improve a long-term asset
(iii) Recurrent expenditure means the cost of incurred expenses in the
accounting year
(iv) supplementary budget refer to as the additional grant required to meet the required expenditure of the government
(v) Payment Voucher refers to as
document which can be used as proof that a monetary transaction has occurred between two parties

============================

(3a)
Interdepartmental Transfer (IDT) Can be defined as a procedure in which they transfer funds from one account to another

(3b)
-Entries made twice
-Entries not made at all
-Entries to the wrong account
-Reversed entries

-Entries made twice. If an entry is made twice, the trial balance will still be in balance, so that is not a good document for finding it. Instead, for an ongoing transaction, you may have to wait for the issue to resolve itself. For example, a duplicate invoice to a customer will be rejected by the customer, while a duplicate invoice from a supplier will (hopefully) be spotted during the invoice approval process.
-Entries not made at all . Impossible to find on the trial balance, since it is not there (!). Your best bet is to maintain a checklist of standard entries, and verify that all of them have been made.
-Entries to the wrong account . This may be apparent with a quick glance at the trial balance, since an account that previously had no balance at all now has one. Otherwise, the best form of correction is preventive-use standard journal entry templates for all recurring entries.
-Reversed entries . An entry for a debit may be mistakenly recorded as a credit, and vice versa. This issue may be visible on the trial balance, especially if the entry is large enough to change the sign of an ending balance to the reverse of its usual sign.

(3c)
-Straight-Line depriciation
-Units of Production depriciation
-Sum-of-years-digits
-Double-declining Balance
-Accelerated depreciation method.

============================

(4)
(i)Goodwill is an intangible asset that arises when a buyer acquires an existing business
(ii)Bad debt is debt that is not collectible and therefore worthless to the creditor.
(iii)Preference stock are shares of a
company's stock with dividends that are paid out to shareholders before common stock dividends are issued.
(iv) Depreciation is an accounting method of allocating the cost of a tangible asset over its useful life.
(v) Accumulated depreciation is the
cumulative depreciation of an asset up to a single point in its life

============================

(5)
S.BAKO ADJUSTED CASH BOOK
DEBIT SIDE:(N)
Trade creditor:410
Balance c/d:810
=1220
CREDIT SIDE: Balance b/f:956
Standing order:114
Bank charges:150
=1220
Balance b/d:810
BANK RECONCILIATION STATEMENT OF 31/12/2013
Balance as per adjusted cash book:810
Add uncredited cheque A.Bola:238
=1048
Less unpresented cheque w.fola:154
Balance as per bank statement:=894

============================

(7)
DEBTOR'S CONTROL ACCOUNT
DEBIT SIDE:(N)
Oct bal b/d:79480 Sales:775300
Debit note issued:5300
=860080
Bal b/d:113740
CREDITOR'S SIDE:(N)
Returns inward:141800 Cheque recieved from investment:566800
Discount recieved:37740
Balance c/d: 113740
=860080
CREDITORS CONTROL ACCOUNT
DEBIT SIDE:(N) Return outwards:39600
cheques paid to suppliers:618600
Credit note recieved:2800
Discount recieved:26780
Bal c/d:294480
=982260 CREDIT SIDE:(N)
Bal b/d:75320
Purchases:904540
Cash refunded:2400
=982260
Bal b/d:294480


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PHYSICS 2017 NECO ANSWER



OBJ ANSWER:
Physics OBJ:
1-10: CEABCBAABB
11-20: DCCBCBCCAE
21-30: BECDDBEDDE
31-40: DBAEADBABA
41-50: CBDCBBBDCB
51-60: CEDDCBAEAA

THEORY ANSWERS

(1a)
(i)Propellant
(ii)Nozzle

(1aii)
(i)It is used for communication
(ii)It is used to access geographical
dispersed terrains and even topography that characterise the nation's landscape

(1b)
Given:
Object distance for eyepiece=3.0cm
Final image distance V =?
Focal length of eyepiece f=5.0cm
Using mirror / lens formular
1/f = 1/u + 1/v
1/5= 1/3 + 1/v
Multiplying through with 15v
3v = 5v + 15
3v - 5v = 15
-2v = 15 V = - 15/2
V= - 7.5cm
The final image is virtual and 7.5cm from the eyepiece on the same side of the eyepiece as the object

============================

(4a)
The specific latent heat of vaporization of a substance is the quantity of heat required to change a unit mass of the substance from liquid to vapour without change of temperature

(4b)
Kinetic energy is that possessed by a body due to its motion. While potential energy is that possessed by a body due to its height or state

============================

(5a)
(i) solar
(ii) wind

(5b) Given:
M1=15kg, U1 =10m/s , V =?
M2 = 5kg, U2 =0 m/s
Using
M1V1 + M2V2 = V(M1 + M2)
15(10) + 5(0) V(15 + 5) 150 = 20V
==>20V = 150
V = 150 / 20
V= 7. 5m/s
Common velocity =7.5m/s

============================

(9a)
(i) Over charging(for secondary cell)
(ii) self discharge (for primary cell)

(9b)
Self discharge: A primary cell lose a considerable percentage of their charge when stored at room temperature. This is due to non-current producing "side" chemical reaction that occur within the
cell even when no load is applied


============================

(10)
(i)Fusion is more easily achieved with lightest elements such as hydrogen
(ii) The raw materials required for fusion are more cheaply and readily available
(iii) Fusion process produce less
dangerous by-products


============================

(12ai)
Newtons second law of motion state that the rate of change of momentum of a body is proportional to the applied force and take place in the direction of the surface

(12aii)
(i)A swinging pendulum
(ii) motion of the balance wheel of a watch

(12bi)
A resultant force is that single force
which could have the same effect in
magnitude and direction as the original force acting together

(12bii)
Am equilibrium force is that single force which will balance all the other forces taken together.it is equal in magnitude but opposite in direction to the resultant force

(12ci)
Resultant force F =√4^2 + 3^2
F =√16 + 9
F =√25
F=5N

(12cii)
Using F = m(v - u) / t 5= 5.5 (v - 2) / (5 × 60)
=5 × 60×5 = 5.5(V-2)
5.5(V - 2) = 1500
V - 2 = 272.7
V=272.7 + 2
V=274.7m/s
Final velocity of body is = 274.7m/s

============================

(13ai)
-Solar energy is for providing a cheap and clean source of hot water supply.
-Solar energy provides electricity supply

(13aii)
-Renewable energy are those that can be replaced as they are used up. They can be continually replenished as they are exploited and utilized while Non-Renewable energy are those that cannot
be replenished as they are used up
-Examples of renewable energy are Solar energy, wind energy, Biomass and Bio feuls while examples of Non renewable energy are Coal and wood, Fossil fuel, Petroleum and Natural gas, Nuclear energy

(13b)
The principle of conservation of linear momentum us also utilized in the propulsion of jet aircraft. Gases are burnt within the combustion chambers of the
engine. As jets of hot gases are expelled downwards through the tail nozzle at very high speeds from the aircraft, an equal and opposite momentum is given to the rocket or aircraft which then moves forward

(13c)
Given:
mass m=0.2kg
Heat lost H=4200J
Initial temperature tita1=100C Final temperature tita2=?
SHC of water Cw=4200j/kg/k
Using:
Heat lost=MwCw(tita1-tita2)
4200=0.2*4200*(100-tita2)
(100-tita2)=4200/(0,2*4200)
100-tita2=5
tita2=100-5
tita2=95C
Final temperature=95C

============================

(14ai)
A transverse wave is one which travels perpendicularly to the direction of vibrations producing the wave

(14aii)
-Light waves do not need a material medium for its propagation but sound waves does
-Light waves cannot be plane polarized but sound waves can

(14b)
Given y=4sin(1000pie*t/landa + 0.5x)
Comparing with y=Asin(2pie ft +2pie/landax)

(i) 2pie/landa=0.5
landa=2pie/0.5
landa=2*3.142/0.5
landa=12.56cm Hence wavelength, landa=12.56cm
(ii) Also 1000pie/2pie*landa=500/landa
=500/12.56
=39.8Hz
f=39.8Hz
(iii)Speed V=flanda v=500/12.56 *12.56
Speed v=500cm/s
v=5m/s

============================

(15a)
Coulomb's law state that magnitude of the electrostatic force of attraction between two point charges is directly proportional to the product of the
magnitudes of the charges and inversely proportional to the square of the distance
between them

(15bi)
Diagram

(15bii)
Let equivalent resistance be R
1/R = 1/R1 + 1/R2 + 1/R3
I/R = R2R3 + R1R3 + R1R2 / R1R2R3 R= R1R2R3 / R1R2+R2R3+R1R3

(15c)
Given: 200Ω C =4mf f=50h2 π =3.14
Impedance Z =√R^2 + (1/2Ω + c) ^2
Z =√200^2 + (1/2×3.145×50×4×10^-6)^2
Z=√200^2 + 796.178^2
Z=√40000 + 633900
Z=√673900
Z=821Ω



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GEOGRAPHY 2017 NECO ANSWER


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Exam Time: Essay – Human and Regional Geography – 10am – 12pm
+++++++++++++++++++++++++++

(2a)
TABULATE
Railway transportation| Pipeline transportation
-Affected by surface hinderance|Not affected by surface hinderance
-It is relatively slow|It is fast
-It is prone to accident|Not prone to
accident
-It is expensive to maintain|It is cheap to maintain
-It is a schedule form of transportation|It is not a schedule form of transportation

(2b)
-Physical Supply Of Products:Transportation carries necessary
raw materials to factory for production of goods and supplies finished goods to consumers. It creates place and time utility of goods by transporting from one
place to another. It easily carries finished to the hands of those who need and use them. This significantly increases aggregate sales of goods. In fact, transport is such a key of marketing, which helps in carrying goods to the
scattered consumers in different places, narrows the gap between producers and consumers and facilitates to distribute goods to the consumers at minimum cost
and time
- Specialization:Transportation facility encourages division of labor and specialization on geographical or regional basis. Transportation cost highly affects localization of industries. Production of goods may center at such place where the
environment is the best and production cost is minimum. This makes maximum utilization of local resources possible, which is both economically and socially
necessary
- Mobility Of Labor And
Capital:Transportation facility provides mobility to labor and capital. If more labor force is available at any place, transport helps to carry it economically to
necessary place. The means of transport carry labors from one place to another.
This encourages labor and capital to use and invest in more productive sectors
- Stabilization In Price:Transportation helps to bring stability in price of different products. It transports goods
from more supplied places to scarcely supplied areas. This establishes coordination between demand and supply, and brings stability in prices. It helps to supply necessary goods regularly to the consumers. Besides this,consumers
get necessary goods at lower prices, because it encourages competition among producers and makes mass production at lower cost possible

============================

(3a)
-Raw materials:industries must be
located near the source of raw materials
-Availability of labour:industries are to be located where there are abundant labour supply
-Nearness to market:industries must be sited very close to market
-Power:industries must be sited where there will be constant supply of electricity
-Good road network:the road network linking the market and the industry must be good

(3b)
-It help to improve standard of living
-It help to provide job opportunity
-it help to develop the infrastructure
-it help in diversification of the economy

(3c)
-It helps to boast international trade
-It helps in capital formation
-it encourages the development of
science and technology
-It helps in stimulation of others sector
-it helps to control inflation due to mass production

============================

(5a)
DRAW THE GRAPH

(5b)
Tin Mining Process:Tin is extracted by roasting the mineral casseterite with carbon in a furnace to approximately 2500 degrees Fahrenheit. The next step involves leaching with acid or water
solutions to remove impurities.
Electrostatic or magnetic separation helps to remove any heavy metal impurities

(5c)
-Industrial development
-Increase in employment
- Agricultural development
- Source of energy
- Development of self dependency

- Industrial development :If the mineral resources can be extracted and utilized, mineral based industries can be established and expanded . Petrol , diesel, iron , coal, etc. are minerals for industries . This accelerates the industrial development
- Increase in employment:The existence of mineral resource provides employment opportunity to the people. Mineral resources help to establish the new industries where skilled and unskilled people can get employment opportunity
- Agricultural development :Some mineral resources are used to make modern agricultural tools machines and fertilizers, etc. They can be used for the modernization and commercialization of agriculture , which help to develop the agriculture
- Source of energy:There are various sources of energy like petrol, diesel, natural gas, etc. in Nepal. If these minerals can be extracted, they can provide the necessary energy for industrial sectors and house hold use
- Development of self dependency :If we develop mineral resource based industries , we can create more jobs with quality products . We will be independent when industrialization occurs with the
uses of mineral resources

============================

(6a)
DRAW THE GRAPH

(6b)
Agriculture:Most of the people living in the area engage in the domestication of animals and cultivation of land-due to the presence of fertile soil
- Mining : The region is also characterised with mining of solid minerals like limestones
- Human Habitation : it is suitable for human habitation. It favours the
construction of good transport network
- craft type industries:The people engaged in the production of mats,
ceramics etc

(6c)
- water shortage
- unpredictable weather
- desert encroachment
- Rural - urban migration


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ANIMAL HUS 2017 NECO ANSWER


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(1a)
- (A) Udder
- (B) Fresh Milk
- (C) Fowl Egg

(1b)
Specimen A Seoretes Specimen B

(1c)
Pregnancy

(1d)
- it provides nutrients to the newborn baby
- it provides antibodies which prevent newborn babies from infections
- For healthier growth and development

(1e)
- cheese
- evaporated milk
- yoghurt
- ice cream.

(1f)
(i)By placing in the ray of light
(ii)After 14days of incubation
(iii)18days

(1g)
Total eggs=24000
total removal=315+410+140=865
%hatchability=(24000-865)
/24000*100%
=96.4%

============================

(2ai)
F-Gill net
G-Siene net
H-Trap
I-Oven
J-Hapa net

(2aiii)
1. Both have net
2. Both have rope at the edges
3. Both have leed to sink down the net

(2bi)
H - To capture fish from narrow river.
I - To process fish product

(2bii)
1. Wash the hapa net after use.
2. Kee it in a safe place

============================

(3ai)
K-Litmus paper
L-Pipette
M-Burette
N-Bica
O-Water pumping machine
P-Dissolved oxygen water
Q-Conductivity meter

(3aii)
K-Totest for acidity or alkalinity
L-To draw water alkalinity
M-To collect water acidity
N-To remove water sample
O-To prowed water
P-To detect level of oxygen content
Q-To measure the capacity of ions in aqeous solution

(3aiii)
-Handle it with care
-Keep it in a safe place
-Wash and clean after use

(3b)
P-
Q-

(3bii)
-Wash after use
-Ascertain if there is enough fuel
-Oil the metalic parts
-Keep in a cool and dry place
-Change any parts that is not functioning

(3biii)
PH meter



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DATA PROC 2017 NECO ANSWER


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OBJ ANSWER:
DATA PROCESSING OBJ
1-10: CCACDCDEAE
11-20: BCBDABCADD
21-30: AABEDCECBA
31-40: ABBABBEEAA
41-50: DBBEBEABAB
51-60: BDEEDEBECA

THEORY ANSWERS

(3a)
software that handles the storage,
retrieval, and updating of data in a
computer system.

3aii)
MySQL
Microsoft Access

3bi)
Normalization is a process of
organizing the data in database to
avoid data redundancy, insertion
anomaly , update anomaly & deletion anomaly

3Bii)
*Insertion Anomalies:Insertion
anomalies occur when we
try to insert data into a flawed table.

*Deletion Anomalies:- Deletion
anomalies occur when we delete data from a flawed schema.

*Update Anomalies:- Update
anomalies occur when we
change data in a flawed schema.

3c.
Pick tool
Shape tool
Zoom tool
Freehand tool

============================

(4a)

(4b)
Log files - A log file is a recording of
everything that goes in and out of a
particular server

Firewall- A firewall is a system
designed to prevent unauthorized
access to or from a private network.

Encryption - Encryption is the
conversion of electronic data into
another form, called ciphertext, which cannot be easily understood by anyone except authorized parties.

Backup- backup refers to the copying and archiving of computer data so it may be used to restore the original after a data loss event.

(4ci)
(i) Primary key uniquely identify a record in the table. While,
Foreign key is a field in the table that is primary key in another table.

(ii) Primary Key can't accept null values. While,
Foreign key can accept multiple null
value.

(4cii)
Vision problems
Headache
Obesity

============================

(5ai)
Transmission is the act of transferring something from one spot to another, like a radio or TV broadcast, or a disease going from one person to another.

(5aii)
(i)Tasks can be completed faster
because computers work at amazing speed.
(ii)Computers can process large
amounts of data and generate error- free results, provided that the data is entered correctly.

(5b)
(i) Hierarchical database model is a
data model in which the data is
organized into a tree-like structure.
(ii)A network model is a database
model that is designed as a flexible approach to representing objects and their relationship

(5c)
(i)data storage management
(ii) data transformation and
presentation
(iii)security management
(iv)multiuser access control
(v)backup and recovery management

============================

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MARKETING 2017 NECO ANSWER


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OBJ ANSWER:
MARKETING OBJ
1-10 CCDDBCBDEE
11-20 ACCABDDDCB
21-30 BACEEADADA
31-40 CBCBECECAE
41-50 BEABADEEAB
51-60 DBADEACBEE

THEORY ANSWERS


(1a)
Warehousing is the action or process of storing goods in a warehouse and the building up of a holding of shares in a company by buying numerous small lots of shares in the names of nominees, in order to make a takeover bid while remaining anonymous

(1b)
-Receiving of Goods
-Preparation of Record
-Identification
-Storing

-Receiving of Goods: It is the basic
important function of the warehouse. When goods are handed over by the producer, it accepts the goods and assumes the responsibility to deliver the goods. It issues the receipts of goods

-Preparation of Record: The
warehouse keeper checks the items of each shipment and prepares the record. All the record is maintained properly to avoid any problem at the time of delivery

-Identification : After receiving the
goods warehouse keeper marks the
each items separately. He may use the code number or he may attach the tag for identification. Due to identification one can easily separate the goods of different firms

-Storing: It is the major function of
warehousing. The goods are kept
safely in warehouse. Today all types of fruits are available in each season due to the storing facility. There is a proper protection of goods like food crops in the warehouses.

============================

(3)
(i) NEEDS:
The core concept of marketing is to
understand or feel the “human needs” that denotes the state of felt deprivation. Therefore being the marketers you need not go for
inventing these needs. Rather you
should try to understand it. The needs are in-built in human nature itself and thus naturally existed in the composition of human biology and human condition. When the needs are not satisfied, a person will try to either reduce the need or look for a substitute object that has the ability to satisfy the need. The need for food, clothing, shelter and safety are the basic physical needs and the needs of belongingness and affection are the
social needs. The individual needs
include the need for knowledge and
self expression.

(ii) WANTS:
Human wants are desires for specific satisfaction of deeper needs that means the needs become wants when they are directed to specific object that might satisfy the need. For example, a teenage may need water to quench his thirst but want to have a cold drink. Human needs may be few, but their wants are numerous. These wants are continually shaped and re-shaped by social forces and institutions such as families, collogues, office neighbours etc.
Marketers need not to create needs
because these needs pre-exist in the market. But they can influence the wants and suggest and inform the consumers about certain products and persuade them to purchase these by stressing the benefits of such products.

(iii) DEMANDS :
People may have almost unlimited
wants. But resources are limited in
compare to the wants they have.
Therefore they have to choose the
products that are likely to provide the most value and satisfaction for their money. When backed by purchasing power, wants become demand. Thus, demands are basically wants for specific products that are linked or
associated with the ability and willingness to pay for these products.
For example, many desire a car such as Mercedes Benz, Toyota, BMW, Honda etc. but only a few are really willing and able to buy one. Therefore being a marketing executive you must measure how many people would actually be willing and able to buy your
company’s products than how many of them want the products.

(iv) PRODUCTS
To satisfy the wants and needs of
people the company must offer their products in the market. That means people purchase the products to satisfy their needs and wants. Specifically, a product can be defined as an object, service, activity, person, place, organisation or idea. You can note here that the tangible items are known as product while the intangible
items are known as service. The hidden use of a physical objects may be to provide the service. For example a lipstick is bought to supply service (beautify); toothpaste for whiter teeth
– prevent germs or give fresh breath etc. Therefore it is the job of marketer to sell the service packages associated with the physical products. If you give
a thought, you will realise that the
importance of a product does not lay not so much in owning them than to use them to satisfy our wants. For example, we do not buy a bed just to admire it, but because it aids resting better.

(v) EXCHANGE
We have already got that marketing takes place only when people decide to satisfy needs and wants through exchange. So in the process of marketing there is exchange value between the two party’s i.e buyer and seller. The value for buyer is to obtain
the desired object to satisfy its needs and wants while the value for the seller is generally the profit or the money. For example, hungry people can find food by hunting, fishing or gathering fruits. They could offer money, another food or a service in return for food. Marketing focuses on this last option. Kotler (1984) states
that for exchange to take place, it must satisfy five conditions, namely:
(i) There are at least two parties.
(ii) Each party has something that
might be of value to the other party.
(iii) Each party is capable of
communication and delivery.
(iv) Each party is free to accept

============================

(4a)
Organizational structure is a system that consists of explicit and implicit institutional rules and policies designed to outline how various work roles and responsibilities are delegated, controlled and coordinated.

(4b)
-functional structure
-divisional structure

-Functional Structure: Functional structure is set up so that each portion of the organization is
grouped according to its purpose. In
this type of organization, for example, there may be a marketing department, a sales department and a production department. The functional
structure works very well for small
businesses in which each department can rely on the talent and knowledge of its workers and support itself. However, one of the drawbacks to a functional structure is that the coordination and communication between departments can be restricted by the organizational boundaries of having the various departments working separately.

-Divisional Structure: Divisional structure typically is used in
larger companies that operate in a
wide geographic area or that have
separate smaller organizations within the umbrella group to cover different types of products or market areas. For example, the now-defunct Tecumseh Products Company was organized divisionally--with a small engine
division, a compressor division, a parts division and divisions for each geographic area to handle specific needs. The benefit of this structure is that needs can be met more rapidly and more specifically; however, communication is inhibited because employees in different divisions are not working together. Divisional structure is costly because of its size and scope. Small businesses can use a divisional structure on a smaller scale, having different offices in different parts of the city, for example, or assigning different sales teams to handle different geographic areas.

============================

(6a)
Transportation is indispensible
function of marketing. Transportation provides the physical means of carrying goods and persons from one place to another. In other words, it is concerned with carrying
the goods from the places of
production to the places of their
consumption.

(6b)
-Transportation links the different
fixed facilities and markets and thus serves to neutralize the spatial
separation of the facilities.

-As a marketing function, therefore, it increases the economic value of the products by creating time and place utilities and promoting possession utility.

-For the producer, the transportation aids in moving raw materials and other components from the suppliers to the plants and warehouses and from plants and warehouses to other plants. It also involves the movement of finished goods from the plants to
the warehouses or distribution centers and to customers.

-The wholesaler transports goods from the warehouse or distribution centers to retailers.

============================

(8a)
The activity or profession of producing information for promoting the sale of commercial products or services.

(8b)
-Awareness
-Information
-Persuasion
-Attitudes
-Awareness:

One of the important roles of
advertising is to create awareness of the product or services such as brand name and price. The awareness of the product or services can be created through highlighting the unique features of the brand. Nowadays, due
to intense competition it is not just
enough to create awareness, but top of mind awareness is needed.

-Information: Advertising helps to inform the target audience about the product. Providing information is closely related to creating awareness of the product.
Potential customers must know about a product, such as product features and uses.

ADVERTISEMENTS: Product information is very much
required, especially when the product is introduced in the market, or when product modification is undertaken.
Proper product information can help the consumers in their purchase decision.

-Persuasion: When business firms offer similar products, the firm must not only inform the customers about the product’s availability, but also persuade them to buy it. Through persuasive messages, the marketers try to provide reasons regarding the
superiority of their products as
compared to others available in the
market. Persuasion can be undertaken through creative advertising messages, product demonstration at trade fairs, offering free gifts, premium offers and organizing contests.

-Attitudes: Promotion is required to build or reinforce attitudes in the minds of target audience. The marketers expect the target audience to develop a favourable attitude towards their brands. Positive attitude towards the
brand helps to increase its sales.
Through promotional techniques like advertising, the marketer can correct negative attitude towards the product, if any. Negative attitude can also be corrected through public relations and advertising

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PRACT PHYSICS 2017 NECO ANSWER


=========================
Exam Time: Monday 5th June 2017
Practical: Physics – 10am – 12:45pm
=========================


(2av)
TABULATE
S/N:1,2,3,4,5,6 U(cm)
:30.00,35.00,40.00,45.00,50.00,55.00
V(cm) :25.50,24.50,23.50,22.50,21.50,20.50
M=V/U: 0.850,0.700,0.588,0.500,0.430,0.373

(2avi)
Draw the graph

(2bi)
Using 1/f=1/v+1/u
1/20=1/v+1/25
1/20=(25+v)/25v
25v=20(25v+v)
25v=500+20v
5v=500
v=500/5
v=100cm
Image distance =100cm in front of the mirror

(2bii)
Draw the diagram

============================

(3avii)
Vo=0.35V
TABULATE
S/N:1,2,3,4,5,6
R(ohm):6.0,5.0,4.0,3.0,2.0,1.0
V(v):2.50,2.40,2.30,2.20,2.00,1.90
P=E-V(v):0.10,0.20,0.30,0.40,0.60,0.70
I=V/R(A):
0.417,0.480,0.575,0.733,1.000,1.900


(3aiv)
DRAW THE GRAPH of V^-1(v^-1) against R^-1


(3av)
Slope=change inV^-1/Change inR^-1
=(7.6-4.3)/(0.84-0.10)
3.3/0.74 =4.460

(3avi)
Intercept=0.385

(3avii)
I=0.385
I^-1=(0.385)^-1 =2.597

(3aix)
Slope=change in y/Change in x=
(0.733-0.480)/(0.40-0.20)
=0.253/0.20
=1.265
Intercept=R=S^-1=1/1.265
=0.791

(3ax)
I=0.385
I^-1=(0.385)^-1
=2.597

(3axi)
-I ensured tight connections
-I avoided error due to parallax when reading the voltmetre
-I ensured the key is opened after each reading to prevent the cell from running down

(3bi)
Ohm's law states that the electric current passing through a metallic conductor at constant temperature is directly proportional to the potential difference apllied between its ends

(3bii)
Since I =Total emf/R+r
I=3E/R+3r




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CHEMISTRY 2017 NECO ANSWER


OBJ ANSWER:
Chemistry OBJ:
1-10: ACBAEDCCAB
11-20: ECACDCADBC
21-30: ECCEBADADB
31-40: CABEBBABEA
41-50: DDDBAABDEB
51-60: CEEEECEEAA

THEORY ANSWERS

(1ai)
(i)neutral to Litmus paper
(ii)Has a boiling point of 100°C

(1aii)
=[Na] / [Na2So4] × 100%
=23/ (23×2) +32+ (16×4) × 100%
=23/142 × 100%
=16.2%
Percentage of mass of a sodium
=16.2%
Also,
[O4] /[Na2SO4] × 100%
=(4×16) / 142 × 100%
=64/142 × 100%
=45.1%
Percentage of mass of oxygen
=45.1

(1aiii)
-Aluminum

(1iv)
-Bauxite (Al2O3 +2H2O)

(1bi)
I = (A) Is2 , 2s2 ,2p2
II= (B) Is2 , 2s2, 2p6,3s2
III=(C) Is2, 2s2, 2p6
IV=(D) Is2 ,2s2, 2p6, 3s2,3p5
V=(E) Is2, 2s2, 2p4

(1bi)
A Standard solution is a solution of
known concentration.it is a solution
containing known amount (in grams or mols) of a substance in a known volume of a solution.

(1bii)
A concentrated solution contains lesser molecule of water than a dilute solution

(1ci)
(i)simple sugar
(ii) complex sugar

(1cii)
diagram(coming as image)

(1ciii)
Insert a glowing splinter into a test tube containing the unknown gas the rekindling of the glowing splinter indicates the presence of oxygen

============================

(2ai)
(i)Oxidation is a process involving on loss of electrons
(ii)Reduction is a process involving the removal at electronegative elements as well as the addition of electro positive elements

(2aii)
(i)Nitrogen is a colourless,odourless and tasteless gas
(ii)it is slightly lighter than air

(2aiii)
X represents urea [(NH2)2Co)]
Y represents water[H2o]

(2bi)
Chlorine|35|17|18|1s^2 2s^2 2p^6 3s^2 3p^5
Fluorine|18|9|10|1s^2 2s^2 2p^5

(2bii)
No of moles= Mass/Molar mass =5/25+16+1
=5/40
No of moles=0.125mole

(2biii)
Relative atomic Mass=
(18 × 1/3) + (20 × 2/3) =19.3

(2ci)
Faraday's second law of electrolysis
states that, when the same quantity of electricity is passed through several electrolytes, the mass of the substances deposited are proportional to their respective chemical equivalent or equivalent weight.

(2cii)
Single line represents the electrode/electrolyte reaction - Double lines represents interface in the full cell

(2ciii)
Polymerization is the process whereby two or more monomers link together to form a compound of high molecular mass called the polymer

(2civ)
(i)It is used as a fuel in rockets
(ii)It is sometimes uses as an anti-freeze
(iii)it is used to dissolve soaps,perfumes etc

============================

(3ai)
(i)high melting and boiling point
(ii)Good conductors of heat and electricity
(iii)Have characteristic lustre

(3aii)
Zn, Ca, Au, Pb
==========>
Increase

(3aiii)
Strong electrolytes ionize completely but weak electrolytes only partially ionizes.

(3bi)
Ethene is prepared from ethanol in two stage
1st stage==>heat ethanol with excess
Conc H2SO4 acid at 170°C
C2H5OH(aq) + H2SO4 ==>C2H5HSO4(aq) + H2O(l)
2nd stage==>Heat the resulting ethyl
hydrogentetraoxo-sulphate(iv)
C2H5HSO4(aq) ==>C2H4(g) +H2SO4(aq)
The Ethene produce is passed through Conc NaOH to remove impurities

(3ci)
(i)Mechinery should be improved so that more efficient fuel combustion occurs
(ii)People should be educated to make them aware of the causes and dangers of pollution

(3cii)
Efflorescent substance loses water to the surrounding with deliquescent substance absorbs and turn into solution

(3ciii)
(i)It is used for absorbing carbon(iv) oxide in the laboratory
(ii)It is used in making soap
(iii)it is used in refining petroleum

============================

(4ai)
(i)addition of soda
(ii)addition of zeolite

(4aii)
the solubility of KCl increase at a constant rate with the rise in temperature while the solubility of NaCl is independent of temperature

(4aiii)
PH of a solution is measure of the molar concentration of hydrogen ions in the solution

(4aiv)
(i)A is most acidic
(ii)E is most basic
(iii)C is neutral

(4bi)
(i)gases are made up of molecules which are in constant random motion
(ii)the particles do not attract each other
(iii)during motion the molecules of the gas collides with one another and with the walls of container

(4bii)
given that P 1 = 320MMHg
P 2 = 760MMHg
V 1 = 220Cm ^ 3
V 2 =?
T 1 = 22°C
T 2 = 100°C
using
P 1V 1/ T 1= P 2V 2/ T 2
V 2 = 320 × 220 × 100 / 22 × 760
V 2 = 7040000 / 16720
V 2 = 421. 05cm ^ 3

(4ci)
Daigram

(4cii)
(i)it is used for respiration
(ii)it is used in industries for removal of carbon sulphur and impurities in pig iron
(iii)oxygen is used as propelants in space rocket.

============================

(6ai)
(I)solution A is starch solution, sample B is Iodine
(II)the colouration is formed due to the formation of an Iodine starch complex

(III)
(i)Iodine is used in treatment of goitre
(ii)Iodine is used in making dye for colour photography

(6aii)
dalton's law of partial pressure states that in a mixture of non-reacting gases, the total pressureexerted is equal to the
sum of the partial pressures of the
individual gases.

(6bi)
C - 4.08/12, H - 0.68/1, O - 5.46/16
0.34/0.34, 0.68/034, 0.34/0.34
1, 2, 1.
The emperical formula is CH2O

(6bii)
( CH2O)n =60
((12×1)+(1×2)+(16×1))n=60
(12+2+16)n=60
30n/30=60/30
n=2
(CH2O)2=C2H4O2
the molecular formular is C2H202

(6ci)
(i)exothermic reaction
(ii)A is activation energy, B is DH
(Negative)

(6cii)
(i)removal of carbon(iv)oxide
(ii)liquetying the air

(6ciii)
vander waal forces

(6di)
fats have higher melting point than oil because fats are more denser

(6dii)
(i)it is poisonous
(ii)it is 2,5 times denser than air
(iii)it is greenish-yellow gas with a
choking smell

(6diii)
Zn^2+ has comppletely filled d-orbitals and there are no vacant d-orbitals for the transition of electrons while Sc^3+ has
completely empty d-orbital and there are no electrons for d-d transition thus they are colourless



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LITERATURE 2017 NECO ANSWER


OBJ ANSWER:
Literature OBJ:
1-10: DBDCECAEDA
11-20: DDAABECCBB
21-30: EABDEEBABC
31-40: AAEAEDADEE
41-50: DCCDBCEAEA
51-60: BDAEBADBDA

THEORY ANSWERS

(1)
Kabria’s Encounter with Fofo: In sharp contrast to the life in Sodom and Gomorrah is Kabria’s life with her family. A mother of three lively children - Obea, Essie and Ottu, she lived in a decent neighbourhood in Accra, worked with MUTE a non-governmental agency and drove a problematic old car nick-named
Creamy. She ran into Fofo at the
Agbloghoshie market while shopping for vegetables. Kabria was standing with other spectators at the spot where Baby
T’s body was found when Fofo, disguising as a boy tried to steal her purse. Kabria rescued her from the angry mob. Fofo revealed her female identity and told Kabria that Baby T was her sister.
Meanwhile, a lot of people had been
made to believe that the dead girl (Baby T) was a kayayoo (a market porter from the north) to conceal her true identity and discourage further enquiry into her death. MUTE (the non-governmental
organisation where Kabria worked) got interested in Baby T’s matter and granted Fofo protection by taking her into
custody temporarily while conducting investigations into the circumstances surrounding death of her sister.

============================

SECTION -II
(5)
- BIANCA - CHARACTER -
A servant and confidante of Hippolita, Matilda , and Isabella. Silly , nosy, and superstitious, Bianca often gossips and shows that she is willing to be deceitful
when she tries to pry into Theodore's life and when she agrees to be Manfred's spy
. On her way to spy on Isabella, Bianca witnesses a giant hand in arm or that scares her and causes her to inadvertently reveal Manfred ’ s bribe to Frederic . She often provides comic relief
in an otherwise melodramatic story .
- BIANCA - ROLE-
Her role in the story especially with
respect to the letter incident provides comic relief to the otherwise tense atmosphere of the story.She also encourages matilda to get married and
insinuates about Isabella and Theodore being in an affair


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COMPLETED
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imgMr.Prof™¯ ¯↓

CRK 2017 NECO ANSWER



OBJ ANSWER:
CRK OBJ:
1-10: ADAEAEEABD
11-20: EBEDBCCACD
21-30: CECECDECCE
31-40: ECAAAAEADB
41-50: ADCCEACECA
51-60: CECACEDAEE

THEORY ANSWERS

(2a)
Naaman was a commander of the
army of Syria. He was a good
commander and was held in favor
because of victory that God brought
him. Yet Naaman was a leper. Naaman’s wife had a servant girl
from Israel who said that a prophet
there would be able to heal him.
Naaman tells his lord this and he is
sent to Israel with a letter to the king.
The king of Israel didn’t know what to do, yet Elisha came to the king
asking to see Naaman. He told him to go bathe in the Jordan seven times and he would be clean. Naaman was angry and would have left, but his servant asked him to try it. Then went he down, and dipped himself seven times in Jordan, according to the saying of the man of God: and his flesh came again like unto the flesh of a little child, and he was clean. And he
returned to the man of God, he and all his company, and came, and stood before him: and he said, Behold, now I know that there is no God in earth, but in Israel: now therefore, I pray thee, take a blessing of thy servant.But he said, As the LORD liveth, before whom I stand, I will receive none. And he urged him to take it; but he refused. And Naaman said, Shall there not then, I pray thee, be given to thy servant two mules'
burden of earth? for thy servant will henceforth offer neither burnt
offering nor sacrifice unto other gods, but unto the LORD. A servant of Elisha, seeing Naaman being turned away from offering God offerings ran after him and falsely asked for clothing and silver for visitors. And the leprosy from Naaman fell on Gehazi and would remain in his descendants. God
took this man from Syria and showed his power to him in order for him to return to his lord and share the power of the God of Israel.

(2b)
(i) The supremacy of God over Man,
regardless of Namman's position
(ii) Healing of Naaman's leprosy
brought about the the glorification of God's name posing him as the only salvation to mankind.
(iii) The upliftment of the worthless
town of God, as the only place for
Naaman's healing. (Naaman had no
value for the river he was healed)

============================

(3a)
Prophet Ezekiel receiving his
commission from God to speak to the “house of Israel.” Like prophets
before him, Ezekiel was called to
bring adverse news to a disobedient nation. Similarly, God strengthened him against the opposition he would face from the people in carrying out his prophetic commission. He says,
“The house of Israel will not hearken unto thee; for they will not hearken unto me: for all the house of Israel are impudent and hardhearted. Behold, I have made thy face strong against their faces, and thy forehead strong against their foreheads. As an adamant [sharp stone] harder than flint have I made thy forehead: fear
them not, neither be dismayed at
their looks, though they be a
rebellious house.”
As he did with Isaiah, God gave
Ezekiel a vision of his power and glory, to infuse him with sufficient
strength to carry out his mission. God instructed Ezekiel to speak the
prophecy, whether Israel will hear or not. Immediately after hearing these words, Ezekiel sees another vision similar to the first. Through these miraculous events the prophet was being prepared and encouraged for use in God’s service.

(3b)
(i) God can make use of anyone no
matter his background.
(ii) Gods word is sweet and delightful
(iii) When God calls his people,he
equips them for the services.

============================

(5a)
The trial of Jesus before pilate​
In the morning after he had been
tried by the priest, Jesus was taken to Pontius Pilate, the Roman Governor.
By Roman laws, the Jews could not put any man to death, so it had to be the Romans who could do so.
Meanwhile, Judas who had betrayed him saw what was happening, felt sorry for what he had done. He took the thirty pieces of silver to give them back to the priests. But the priests would have nothing to do with him.
Judas went out and changed himself.
The priests used the money to buy
"Potter's field, to bury strangers in.
The field was called "The field of blood"

(5b)
i- Lack of fair hearing
ii- Lack of freedom of expression
iii- Unlawful arrest

============================

(8a)
James told Christians to count it all
joy, when they go through difficulties because it tests their faith. He said when faith is tested it produces steadfastness which makes people perfect and complete, and lack nothing. He taught that if anybody lacks wisdom, that person must ask
God. He assured that God would give it to him/her without holding back, because God is generous with such things. James wrote that whoever asked from God must ask in faith, not doubting because a person who doubts is like the wave of the sea, that is, driven and tossed by the wind.
That person would not receive anything from the Lord. James also
taught that the lowly brother must be allowed to boast in his exaltation and the rich also in his humiliation, because they will pass away like the grass or flower. Just as the beauty of the flower can wither away under the Sun, so also the rich man would perish away while pursuing his business. James wrote that if anyone was suffering, that person should pray and if any was cheerful that person, that person should sing praise.
He said if any was sick, that person
should call the elders of the church to pray over him, anoint him with oil in the name of the lord and the prayer of faith would save that sick person. The Lord will raise him up and if he had committed sins, the Lord will forgive him. James told the members to confess their sins to one another and pray for them to be healed. James taught that the prayers of a righteous man has power and is effective.

(8b)
(i) Unforgiving spirit
(ii) Lack of repentance from personal sin
(iii) Lack of faith


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