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JAMB 2017 CBT DAY 3 (16th MAY) ANSWERS
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JAMB 2017 CBT DAY 3 (16th MAY) ANSWERS
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Chidusky (m)
1494924063 ago
16TH MAY - 7AM AND 9AM ONLY

MATHS - 9:00am
1 :- From the triangle PQR above, calculate PQ
12
2 :- For what value of y is the function x = 8/y+5 not define?
-5
3 :- Find th values of x for which x power 3 - x power 2 - 5x is minimum
-1
4 :- A class consists of 12 boys and 8 girls, what is th probability that if two people were chosen at random
with replacement from the class, it will be a and a girl in that order?
6/25
5 :- The locus of a poin P, such that the area of QPR is constant, where QR is the base of triangles, is
An arc of a circle
6 :- Given the figure above, find the area of the portion marked x.
2 pie/3 - root 3
7 :- Find the ara of the shaded segment in the diagram above.
30.1cm square
8 :- If P = [3,5,2] and Q = [5,4,-6 2,1,0 3,-3,5] [2,5,2] = [31,11,-8], find QP
[31,11,-8]
9 :- In how many ways can we arrange 8 men in a round table so that 2 must sit together?
1440 ways
10 :- From the above, calculate the bearing of R from P
70 degree
11 :- Find the modal score from the above frequency distribution.
3
12 :- Find the equation of the line passing through the point (0,-4) and whose gradient is -2
y = -2x - 4
13 :- Find the values of x if |x,-2 -2,x| - 0
x = + or - 2
14 :- A bicycle which cost N10,500 was hired at 5% interest per annum. Find the interest the bicycle yield
in 8 years.
N4,200
15 :- Find the equation of a straight line parallel to the line y = x - 5 and passes through the orgin (0,0)
y = x
16 :- In the diagram above, QRU and QST are in adjacent plans. QS = QT = 7cm. ST = 6cm degree. Find CORRECT ANSWER =
30 degree
17 :- Evaluate S cos y + x dx
sin x + x power 2 /2 + K
18 :- If the mode is p and the median is q, then (p,q) is
(5,5)
19 :- The shaded portion in the Venn diagram above represents
P n Q n R
20 :- What is the remainder if f(x) -2x power 3 - x power 2 + 2 is divided by (x - 2)
14
21 :- Make R the subject of the formula D = cube root 2 pie RQ / 360
180D power 3 / pie Q
22 :- Find the product of 1101 and 1110 in base two
(10110110)
23 :- The 2nd term of a GP is 4 and the 5th term is 32. Find the first and common ratio respectively.
2,2
24 :- In an examination Fadimatu scored 348 marks which is 58% of the total score. Her junior sister
Maimuma scored 330 marks in the same examination . Calculate Maimuma's percentage score.
55%
25 :- Evaluate 11m / x - 2 x power 2 /x+2
-4
26 :- Using the accompanying table above, what is the value of (2 * 3) * 4?
4
26 :- Using the accompanying table above, what is the value of (2 * 3) * 4?
4
27 :- Find the number of arrangement of the letters of the word ASSOCIATION
11! / 2! 2! 2!
28 :- Find the value of 2log3 base 3 + log 4 base 2 + log 100 base 10
6
29 :- Find the mean deviation of the distribution 7,5,6,7,8 and 9
1
30 :- Find the 25th term of the arithmetic progression -5,-8,-11,-14,?
-77
31 :- Y varies inversely as x and y = 60 when x = 3, Find y when x = 4.5
40
32 :- Calculate correct to three significant figures the circumference of a circle of radius 0.042m
0.264
33 :- Evaluate 1- square root 3 / 1 + square root 3.
-2 + square root 3
34 :- From the graph above, estimate the median score.
23
35 :- From the diagram above , given that O is the centre of the PQRST, Find CORRECT ANSWER =
142.5 degree
36 :- In a class of 120 students, if 65 students take Mathematics while 75 take English Language. Find the
number of students that take both subjects.
20
37 :- Given that log 10 power 2 - 0.3010 and log 10 poweer 3 -0.4771. Calculate without tables log 10
square root 6 correct 3 significant figures.
0.389
38 :- If x varies over the set of real numbers. Which of the following is illustrated in the diagram above
-3 39 :-
40 :- if 230x - 1000001 base 2, find the value of x
5
===========

CRK - 9am
1 :- paul while teaching on spiritual gifts, said that the church is edified through
prophesy
2 :- where did elijah hide himself after pronouncing drought and famine on isreal during ahab's regin?
by the brook
3 :- what happened to the manna which the isrealites left till the morning in disobedience to God?
it bred worms and became foul
4 :- jeremiah resisted God's call with the excuse that
he was only a youth
5 :- ""the statement above was made to jonah by the
almighty God
6 :- what is the name of the apostle through which the city of samaria recevied the word of God?
philip
7 :- jesus' statement above teaches us to
always be led by the spirit
8 :- Jesus statement above teaches us to
9 :- according to peter, christians who are living among non-christians should
maintain good conduct
10 :- in society today, women who behave as those described with the statement above are
prostitutes
11 :- according to galatians, belivers have through christ become
joint heirs
12 :- according to acts, barnabas and saul were apart to
proclaim the gospel to the gentiles
13 :- the statement above was made to the witch ednor by king
saul
14 :- the statement above to jezebel was to declare punishment for
greed
15 :- when God created earth, it was without
form
16 :- paul considered the philipians' gifts to him as
a fragrant offering and a sacrifise acceptable to God
17 :- jesus statement above referred to
peter
18 :- who was god referreing to in the statement above
isreal
19 :- the parable of the lost teaches that
there will be joy over a sinner that repents
20 :- bones, in the statement above signify the whole house of
isreal
21 :- peter enjoined the younger ones to be subjects to the elders and clothe themselves with
humility
22 :- herod ordered the killing of the children when he
he learnt that a king was born
23 :- what major problem of the early church is still confronting the church today?
dishonsety
24 :- as demonstrated by the relationship between samuel and his children, lack of parental responsibility
today can produce children who
lack of morals
25 :- according to romans, belivers are justified by
faith
26 :- the statement above was made when david
spared saul life
27 :- in the sermon on the mount, Jesus told his disciples that when they want to pray, they should into their
rooms and
shut the door
28 :- for pilate to show that he was innocent of Jesus' blood, he
washed his hands
29 :- daniel was thrown into the lion's den by king
darius
30 :- pharoah was troubled about his dreams because
no one could interpret them
31 :- moses saw the promised land, but he was not allowed to enter it because of his
disobedience
32 :- according to james in his teaching on effective prayer, the testing of a believer's faith produces
33 :- using the call of the disciple as an example, what trait should belivers today exhibit as followers of
christ?
endurance
34 :- according to Jesus,the good shephered is one who
lays his life for his sheeps
35 :- hosea's statement above was in response to depcit
God's love
36 :- according to paul's letter to the romans, which of these promote good citizenship?
payment of taxes
37 :- the greatest religious reform in jerusalem was championed by king
josiah
38 :- in which of these miracles was Jesus' power over nature manisfested?
walking on the sea
39 :- as a beliver. What is your advice to believers today concerning the second coming of the lord?
they should live up to the teaching of Jesus always
40 :- paul advised that believers should forgive and comfort an offender so
he would not be overwhelmed with excessive sorrow.
=====================

English 9am

Question
1 :- the phrase, the ingeneous device, as used in the passage means
2 :- a suitable definition for the passage is
CORRECT ANSWER = steam power and mechanical energy
3 :- from the passage, it can be inferred that the ancient egyptians were
4 :- which of the followng is true according to the passage?
5 :- acording to the passage, the water wheel was modified by the ancient egyptians to
CORRECT ANSWER = produce mechanical energy
6 :- we can control our weight and reduce ????. Of sugar, sodium and saturated fat
7 :- this study is published in the ?????. Of human nutrition and diabetics.
8 :- though most people meet the body's fluid requirements by drinking water and ????????.
9 :- to further ????.. How increasing water intake can affect the parameters of health
10 :- the researchers use a nationally representative ?????. Of more than 18,300 adults in the USA.
11 :- the researchers asked ???.. To recall the foods and drinks they consumed over a couple of days
12 :- they then calculated the ??? of water
13 :- each respondent ??????????..
14 :- as a percentage of daily dietary water intake from both food and drinks ????..
15 :- they did not include their water content in the calculation of total ??????? consumption
16 :- one of the first things that attracted miriam to tayo was her
17 :- the sauce began to cloy after a few hours
CORRECT ANSWER = it began to make people sick
18 :- tayo was surprised to see what his daughter brought from the church was only
19 :- tayo told vanessa that his name was a symbol of
20 :- all the members were asked to gather n front of the hall
21 :- the new manager is head and shoulder above the former manager
CORRECT ANSWER = he is better
22 :- while tayo was going to visit his father's relatives, he seemed oblivious to his surroundings because he was
23 :- vanessa had confessed that she had connections to africa since
CORRECT ANSWER = her father worked in the collonial service
24 :- stop fiddling with your phone', her father screamed
CORRECT ANSWER = he wants her to do something more important
25 :- obi made poerfunctory effort in the race
26 :- the chairmans report was absolute
27 :- the coarse material he wore made him uncomfortable
28 :- the children have been under ado;s feet all day
28 :- the children have been under ado;s feet all day
29 :- because ike lived longer than most nigerians at oxford, he could
CORRECT ANSWER = act like the english at oxford
29 :- because ike lived longer than most nigerians at oxford, he could
CORRECT ANSWER = act like the english at oxford
30 :- tayo's wife was against buying books from challenge christian bookshop because
CORRECT ANSWER = the price were inflated
30 :- tayo's wife was against buying books from challenge christian bookshop because
CORRECT ANSWER = the price were inflated
31 :- chioma mooches around the park daily
CORRECT ANSWER = she goes there without reason
31 :- chioma mooches around the park daily
CORRECT ANSWER = she goes there without reason
32 :- the major bone of contetion between tayo and miriam was
33 :- cool down?.noise never hurt anyone. From the excerpt above, who was ike referring to?
34 :- mr ike finally released the wretched slave
35 :- it was observed by vanessa that africans had the habit of saying sorry even if they
36 :- tade was usually susceptible to flattery
37 :- ramat toppled over the bridge into the water
38 :- the town hall was spruced up for the occasion
39 :- he responded with a resonant laugh
40 :- she had worried about his constancy before they were married
41 :- I heard you???. Much better since you ?. That medication
CORRECT ANSWER = have been sleeping/started taking
42 :- when joke finally appeared on stage and saved the day, the audience roared?.approval
43 :- I mt several tourists ? of ?. Were university students at my friends house
44 :- neither nkechi nor ada mentioned okoro's arrogant behaviour ??
CORRECT ANSWER = lest held lose his temper
45 :- although both did a good job in ? contemporary pieces, the taller showed more flair in ?..
46 :- tolu agreed with ope and ? even though ?. Had previously clashed with us on the subject
47 :- the clown was surprised to find that neither the elephant nor the zebra ?. Chewing his rubber nose
48 :- one of the boys who ? regularly? my friend
49 :- asana was moving beacause her neighbors?. Too busy
50 :- in the ? life of the company, lami worked ?. To develop software
51 :- taboo
52 :- enough
53 :- hulk
54 :- shouted
55 :- appointed
56 :- surprise
57 :- pandemonium
58 :- differential
59 :- ajoke feels like TAKING a sumptuos meal
CORRECT ANSWER = did ajoke feel like taking an expensive meal?
59 :- ajoke feels like TAKING a sumptuos meal
CORRECT ANSWER = did ajoke feel like taking an expensive meal?
60 :- bukola said she MISSES her friend everyday
CORRECT ANSWER = who misses her friend everyday?
=========================

Commerce 9am
1 :- Alpha Limited manufacturers consumes goods. It prepares a document to accompany the goods to be
exported . The document prepared by alpha limited IS
A certificate of origin
2 :- Granting credit facilities t consumers is a fuction of
A retailer
3 :- One of the sources of capital for a sole propeirtor is
4 :- The warehoouse owned by individuals for repackaging of goods is
Wholesale warehouse
5 :- One of the major corcens of commercial activities is to
Improves people standard of living
6 :- In order to increase sales, an ancillary to trade that can be used to stimulate demand is
7 :- When a business firms embark on advertorials that reveal the feature of its product, it has rendered it
Social responsibilty
8 :- The total assets of a business can be calculated as
Fixed asset plus current assest
9 :- An account in which money is saved for a specified period of time to earn an interest is reffered to as
Deposit account
10 :- The document that indicates a contract of carriage of goods between an exporter and the shipping
company is a
11 :- Commerce came into being as a result of
Society needs and wants
12 :- Which of the following is often reffered to as an artificial person in law
Limited liability company
13 :- The ROM differs from RAM in that the former
Has wider storage capacity
14 :- The means of posting large numbers of mails in abig firm is through the use of
Franking machines
15 :- The responsublity of influencing legislation and promoting commercial activities are the concern of
chambers of commerce
16 :- Which of the following has the value of money and commodity
Gold
17 :- If a tanker already loaded a got burnt in transit, the contract has been discharged by
Frustration
18 :- The services rendered by a housemaid is an example of
Direct service
19 :- Which of the following encourages international division of labour
20 :- The main storage device for personnal computer is the
USB drive 21 :- A document sent to a company goods in transit is reffered to as
Certificate of insurance
22 :- A place where investors meet to buy and sell existing securities is called
A stock market
23 :- The average stock is
N450
24 :- A retail device that automatically dispense products when money is inserted in ti is a
Vending machine
25 :- The quality of money that enables it to stand the test of time is
durabilty
26 :- An important consideration in life of a product is the
Pricing of the product
27 :- Th factors that influences the achievement of organisational goals are
Internal and external
28 :- In order to achieve a set of objective, cordination of all factors is done by
An entrepreneur
29 :- The function of money used to ascertain the worth of goods and services is
Measure of value
30 :- The merit of money as a meduim of exchange is that it
Facilitate deffered payment
31 :- An example of concentration segmentation strategy is when a firem produces CORRECT ANSWER =
Shoes and clothing
32 :- What is the cost of goods sold
N3700
33 :- One of the roles of advertising in business is to
Regulates the volume of production
34 :- Displaying goods and demonstrating its use ia a commercial activity classified as
sales promotion
35 :- If michael and CBC commercial Bank are legally bound to carry out their obligation. The contract is
said to be
Valid
36 :- Messenger, cleaner and gardener are examples of
Unskilled labour
37 :- Trading certificate permits a company to
38 :- The mining of gold by a firm is an example of
Primary production
39 :- Which of the following means of transportating chemicals?
Pipeline
40 :- Customs duty is imposed when
the goods from another country are coming into Nigeria
====================

Chemistry 9am

Question
1 :- what is the percentage of aluminium in al2(SO4)3
2 :- the reaction above illustrates
3 :- one of the ways of testing an oxidizing agent is its action on
\4 :- the compound that is isomeric with methoxymethane is
5 :- a heterogenous mixture of undissolved particles in a given medium is said to be \
6 :- In the electrolysis of CuSO4 solution using ocpper plate as anode the reaction at the anode is
7 :- the shape of berrylium chloride is
8 :- an example of boodegradable pollutant is
9 :- a type of bonding formed in hydrogen chloride is
10 :- in treatment water for town supply pH is usually adjusted by the addition of
11 :- in the laboratory preparation of hydrogen sulphide gas the gas is collected over warm water to remove traces of
12 :- slaked lime is produced from quicklime by
13 :- a mixture of kerosene and water can be best sepertad using a
13 : a mixture of kerosene and water can be best sepertad using a
14 :- diffusion in gases takes place much more rapidly because the
CORRECT ANSWER = attractive forces between molecules are neglible
14 :- diffusion in gases takes place much more rapidly because the
CORRECT ANSWER = attractive forces between molecules are neglible
15 :- the radiation with the least penetrating power is
16 :- in flame test the color given by calcium compounds is
17 :- a gas occupies 175cm3 at 700mhg pressure.what is the volume at 750mmhg pressure ata constant prssure
18 :- in the reaction above which of the following will not have the effect on the rate of reaction?
CORRECT ANSWER = increasing the pressure of the reaction
19 :- in the reaction above y is an
20 :- the pH range of the juice of unripe orange is likely to be
CORRECT ANSWER = 5 to 7
21 :- a form of carbon that exist in crstalline form is
22 :- the suitable oxidizing agent for the reaction above is
23 :- a hydrocarbon x whose vapor density is 15 contains 805 carbon its molecular formula is
24 :- the staement that the number of proton in the nucleus increase regularly fron atom to another can be atributed to
25 :- the cbubbling of chlorine gas into slaked lime produces
26 :- an acid can be classifed into
CORRECT ANSWER = strong and weak
27 :- the reaction above will take place at
CORRECT ANSWER = low pressure with a catalyst
28 :- in the electrolytic extraction of coper the valuable impurities collected as anode slime are gold and
29 :- the constituent of air which reduces the rate of combvustion and corrosion is
30 :-
31 :- the functional group present in an opranic compound that will form a brick red precipitate on boiling with few drops fo fehlings solution is
32 :- using a current of 4.75A how many minutes will it take to plate 1.50g of copper into a sculpture froma cuSO4 solution/
33 :- the condition for a reaction to be spontaneous is that
CORRECT ANSWER = change in H is negative and less than T^S
33 :- the condition for a reaction to be spontaneous is that
CORRECT ANSWER = change in H is negative and less than T^S
34 :- 200cm3 of water is saturated with 1.50g of Kno3 and its solubility at 25c is 0.5mol/dm3 calculate the mass of undissolved salt in 1dm3
34 :- 200cm3 of water is saturated with 1.50g of Kno3 and its solubility at 25c is 0.5mol/dm3 calculate the mass of undissolved salt in 1dm3
35 :- in the laboratory preparation of hydrogen gas the drying agent employed is
36 :- the simplest member of monosacharide is
37 :- in the solvay process the raw materials used are common salt,limestone and
38 :- the catalytic problem fractions will produce
CORRECT ANSWER = high quality petrol
38 :- the catalytic problem fractions will produce
CORRECT ANSWER = high quality petrol
39 :- if 64.0g of anhydrous cuSO4 dissolved in 1 dm3 of water generated 26.0kj of heat the heat solution in kj/mol is
39 :- if 64.0g of anhydrous cuSO4 dissolved in 1 dm3 of water generated 26.0kj of heat the heat solution in kj/mol is
40 :- which of the following will give a colored precipitate with ammonical copper(I) chloride
============================

[PHYSICS - 9am]
1 :- the purpose of the vacumm in a thermos flask is to reduce the loss or gain heat by
2 :- the body which emits light itself is
3 :- calculate the frictional force acting on a 20kg mass on a horizontal floor if the coefficient between the
surface is 0.5 (g = 10m -2)
4 :- given the radius of the earth to be 6.4 x 10 6m. What velocity would a space agency consider to put a
satellite in orbit?
5 :- an elecyron of charge 1.6 x10 -19 C moves at right angle to the magnetic field of intensity 2.0 x 10 -4T.
If the speed of the electron is 1.5 x 10 3 ms-1. calculate the force acting on the charge
CORRECT ANSWER =4.8 x 10 -5N
6 :- the two processes that are essential in an nair conditioning system are
7 :- if atmosphere n pressure is taken to be 1.3 x 10 6Nm -2, the pressure at the swimming pool 200m deep
is (g = 10ms -2, density of water = 10 3 kgm -3)
CORRECT ANSWER =3.3 x 10 6Nm -2
8 :- calculate the spring constant when a force of 10N applied on a spring produced an extension of 0.05m
9 :- 0.1kg of steam at 100 0C condenses to w ater at 100 0C. If the specific latent heat vaporization of water
is 2.2 x 10 6jkg -1, the amount of heat given up is
CORRECT ANSWER =2.2 x 10 5 J 10 :- an electric iron rated 200W is used for 5hrs. Calculate the cost of using the iron if the cost electrical
energy is N5.00 per kWh
11 :- which of the following radiation has the hughtest penetrating power?
12 :- the power of a convex lens of focal length 20cm is
13 :- a lift of mass 1000kg lifts up 10 person with totak masses 650kg to a height of 40m In 50s. Calculate
the power of the lift
14 :- if the length of air column in a closed pipe at which the first reasonce was observed is 0.425m, what is
wavelenght of the air column?
15 :- what principle is the bean balance based on?
CORRECT ANSWER =principle of moment are equilibrium
16 :- where will an object be placed in front of a concave mirror to have an image which is magnified,
upright and virtual?
17 :- which of the followinf is an example of a secondary cell?
18 :- when white light is dispersed, the component of the visible spectrum having the longest wavelenght is
19 :- which of the following statements is correct when an alternating current circuit resonates?
CORRECT ANSWER = XL = Xc
20 :- from b the diagram above, a boat cruised due east and changes its direction 60 0 north east before it
encountered an engine failure. Calculate the shortest distance of a reascue boat from the same point of
departure.
21 :- which of the statement abovee define the velocity ratio of a machine?
CORRECT ANSWER =I, II and IV
22 :- a stone weights N in air 2 in water. Calculate the relative desnity of the stone.
23 :- a pin is placed at the bottom of water, if when viewed directly above the water it is displaced by 3cm,
calculate the thickness of the water
24 :- the diagram above shows am electric circuit. If the key is closed the voltmeter V reads the
25 :- the minimum distance between a sound and a reflector for an echo to be heard in a second is (velocity
of sound in air = 340 -1)
26 :- the isotope which decays by emission to produce
27 :- the temperature -273 0C is called the
CORRECT ANSWER =absolute zero of temperature
28 :- from the diagram above, calculate the moment of the force of 40N about the point O
29 :- the magnetic elements that determine the earth's magnetic field at a place are given below except CORRECT ANSWER =
electric induction
30 :- from the digram above, calculate the equivalent capacitor
31 :- if a charge of 60 C experience a force of 12N, calculate the electric intensity
CORRECT ANSWER =2.0 x 105 Ac -1
32 :- the major carriers in a p-type semiconductor materialare
33 :- a certain box has a length of 90cm at 30 0 and 90.1cm at 530 0C. Calculate the coefficient of
superficial expension
CORRECT ANSWER =4.4 x 10 -6 K -1
34 :- the absoption of ink by blotting paper involves
35 :- which of the following has the largest heat capacity
36 :- from the above d iagram, a hunter threw a spear at 45% to kill an antelope. What is R?
37 :- which of the following is NOT part of a.d.c generator?
38 :- all of the following indictaes thermometic properties except
39 :- 60 waves passthrough a point in a ripple tank in 30s. The frequency of the wave is
40 :- find the mass of copper depostited on the cathode of copper voltameter if a curretn of 1.5A passes
through it for 900s. (e.c.e of copper = 3.3 x 10 -2kgC -1)
CORRECT ANSWER =4.5 x 10 -4kg
=======================

Economics
1 :- the national income of a country can be measured by using
2 :- a partnership sourcing for funds to expand its business would approach
3 :- given that qd=10-2p while qs=5+3p,if p=1 determine the equillibrum quantity
4 :- goods sold in perfectly compertitive markets are generlly
5 :- one of the unique features that distinguishes the perfect and imperfect market conditiins is
6 :- the bowed shape of the production possibility curve illustrates
CORRECT ANSWER =the law of increasing marginal cost
7 :- the main aim of economic community of westa frica states is the
8 :- which of the factors of production is inellastic
9 :- one of the reason why nigeria is a mono economy is because of her
CORRECT ANSWER =high demand for foreign commodities
10 :- the graph above represents
CORRECT ANSWER =an increae inquantity supplied
11 :- which of the following is not a source of govt revenue
CORRECT ANSWER =personal income,disposable income and transfer earnings
12 :- given that x=7 and EFX=56 calculate the value of N
13 :- cost push inflation occurs when
CORRECT ANSWER =production cost is high
14 :- from the table above the average product of the 3rd unit of labour is
15 :- the storage of food in otrder to derive more satisfaction in future is
CORRECT ANSWER =time utility16 :- a well conducted census is more important for
17 :- a countrys term of trade can e improved by
CORRECT ANSWER =reducing demand for imported goods
18 :- inflation trends in an economy will negatively affect majorly
1.
19 :- which of the following institutions operate in the money market
20 :- the main determinant of a change in the quantity of a commodity demanded is the
CORRECT ANSWER =proice of the commodity itself
20 :- the main determinant of a change in the quantity of a commodity demanded is the
CORRECT ANSWER =proice of the commodity itself
21 :- localisation of industry is encouraged because of
22 :- the modal value of 3,8,4,6,3,5,2,7,3, and 5 is
23 :- the economic question about what to produce in an economy is solely answered by the
CORRECT ANSWER =system of econmic practised
24 :- one of the function of the price system is that it
CORRECT ANSWER =regulates production and consumption
25 :- the basic principle of cooperative societies is to
CORRECT ANSWER =protect the interest and pursue the welfare of members
26 :- excss supply ove demand will place a price advantge on
27 :- given the conumption function c=10+0.6y,determine the value of c if y is 20
28 :- which of the folowing is an indicator of economic growth
29 :- the population theory which is cocerned with the cases of over population and shortage of food
production is
30 :- from the tablr abovr if price of a commodity is increased sales will
31 :- a firm owned and managed by a family is an exam,ple of
32 :- the most effective measure to reduce unemployment is to
1.
33 :- determine the level of national income if govt expenditure is 15 investment is 20,consumption is 25
output is 10naira,import6 mpc=0.82
34 :- from the table above it can be referred that ther is
35 :- the appropraite formulae for the computation of standard deviation of a grouped date is
s=EF(X-X)/N
36 :- from the bove government opportunity cost would be
37 :- which of the following budget wil incease govt expenditure
38 :- petro chemial industry are locatedin the rivers state of nigeria because
39 :- which of the following is an indirect tax
40 :- one of the major causes of farmers unstable income in nigeria is
CORRECT ANSWER =THE EFFECT OF DISEASES AND PEST
===================

Physics
1 :- a wooden block of mass 1.5kg rest on a rough hroizontal srface. If the limiting frictional force between
the block and the srface is 6N, calculate the coefficient of friction. ( g- 10ms-2)
2 :- a foster uses 5A f rom 240v, if it takes 90s to toast a loaf of bread, how much energy is consumed by
the toaster?
CORRECT ANSWER =1.08 x 10 5 J
3 :- if an object 4cm high is placed vertically 20cm in front of a concave mirror and produces an image
80cm from the mirror, calculate the height of the image formed
4 :- what part of the camera corresponds to the eye?
5 :- the relative density of an alloy is 6.5. find the mass of the solid alloy cube of volume 0.008m3
6 :- if a load of 5N gives an extension of 0.56cm in awire, what would be the extension caused by a load of
20N when both obey Hooke's law?
7 :- steel bars each of length 3.0m at 28 0C are to be used for constructing a rail line. What is the saftey gap
that msut be left between successive bars if the heightest temperature expected is 40 0C?
CORRECT ANSWER =3.6 x 10 -4cm
8 :- how does increase in oressure affect the melting point of water?
CORRECT ANSWER =it lowers the melting point
9 :- the work function of a metal is 4.65eV and the metal is iluminated with radiation of 6.86eV. What is
kinectic energy of the electrons ejected from the surface of the metal?
10 :- the temperarture 45 0C is the same as
11 :- calculate the frequency of a wave whose distance between two successive crests is 2m and velocity
300ms-1
12 :- the reultant R of two vectors P and Q is reoresented by
14 :- two parrallel plate are charged to a voltage of 80V. If they are represented by a distance of 20.0cm.
Calculate the electric intensity between them
15 :- if the distance between two successive of a nodes of a stationary wave of frequency 50Hz is 45cm,
calculate the speed of the wave
16 :-
17 :- which of the following observations CANNOT be explained using the rectilinear propagation of light?
CORRECT ANSWER =diffraction patterns of hight
18 :-
19 :- which of the following statements is NOT true of an electric cell?
20 :- which of the following colour be absorbed when light is incident on an object which is magents in
colour?

21 :- which of the following must take place in the process of convertinng a galvanometer into an ammeter?
CORRECT ANSWER =a law resistance shunt is connected in parallel
22 :- the funvtions of p-j junction in a circuit is for
23 :- if the volume of a gas increase steadily as the temperature decreases at constant pressure, the gas is
said to obey
24 :- the power dissipated in an a.c circuit with an r.m.s current of 4A, r.m.s voltage of 10V and a phase
angle of 60 0 is
25 :- a car moves 1km due east and then 1km due north. Calculate its displacement
CORRECT ANSWER =2km, N45 0 E
26 :- explain Charle's law using kinetic theory
CORRECT ANSWER =an increase in temperature causes increase in kinectic energy
27 :- when the air inside two thick metal hemispheres in contact is pumped out, pulling them apart
CORRECT ANSWER =requires very large force
28 :- a force of 10N acts at a point K on a rod PKG as shown in the diagram above. If Pk is 4m, calculate
the moment of the force about point P
29 :- which of the following is NOT a derived quantity?
30 :- the vibration of an air colume produces the sound in the
31 :- on a certain day, the dew point is 10 0C when the temperature of the air is 32 0C, calculate the relative
humidity of the air when s.v.p of water at 32 0C and 10 0C are 16.2mm and 9.8mm of mercury respectively
32 :- find the magnetic fkux in an area of 6m -2 whicj is 60 0 to a field of 0.5T
33 :- three cells each if e.m.f 2.5V and an internal resistance of 2.0 are connected in parallel across a load
resistance of 3.67. calculate the current in the load
34 :- three 2F capacitors are arrange as shown in the circuit above. Calculate the effective capacitors
between P and K
35 :- determine the refractive index of a material with a critical angle of 42.07 )
36 :- what is the bpower expended by a woman of mass 60kg ascending from stairs 10m high in 10s. If
acceleration due to gravity is acting is acting on her?
37 :- if 0.036kg of silver is to be deposited by electrolysis on a surfgace by passing a steady current for
300s, the current is (electrochemical equivalent of silver = 0.00120
38 :- energy loses through eddy current a re reduced by using
CORRECT ANSWER =Laminated soft iron wires
39 :- heat transfer by covention in a liquid is due to the
expansion of the liquid
40 :- which of the following is true of X-ray properties?
CORRECT ANSWER =they do not travel in straight line
======================

Biology
1 :- the termite caste represented is the
2 :- the hormones which stimulates growth in young mammals is
3 :- the structure that contains melanin that protects skin from ultra violet rays is labelled
4 :- the soil type which when present is high proportion will not support the cultivation of vegetable is
5 :- this is an example of a food chain found in
6 :- the changind of colour by a cameleon to that of the environment is an example of
7 :- the matured sex cell which takes part in sexual reproduction is referred to as
8 :- the function of the part labelled I is to
CORRECT ANSWER =store food for the embryo
9 :- possesion of broad leaves and buttress roots are characteristics features of a
10 :- the diagram represents
11 :- the part labelled III is
12 :- the mode of nutrition in the prganism above is
13 :- the part labelled III is the
14 :- Euglena can be regarded as a plant because it posesses
15 :- Carbon (IV) oxide is removed from the atmosphere by the process of
16 :- if T represents tallness and t represents shortness then the progeny of the test cross Tt x tt will be
CORRECT ANSWER =50% tall and 50% short
17 :- a common air pollutant emitted from the exhaust is
18 :- the condition that is NOT necessary for germination of seed is
19 :- the part labelled IV is for
20 :- production of naked seed is a distinctive feature of
21 :- which of the following is a characteristics of insect-pollinated flower
22 :- which of the following factors may cause overcrowding in a population
23 :- Larmarck's wvolution theory could be summarized by the statement that
CORRECT ANSWER =the changing environment imposes structural physiological and behavioural changes
in organism
24 :- a man with blood group A (TaP) married a woman with blood group o (pp). Which of the following is the
probable ratio of the blood groups of the offsprings?
25 :- during the dry season snails survive by
26 :- an example of genetically associated disease is
27 :- during the process of urine formation untrafiltration occurs in the
bowman's capsule
28 :- if a black guinea pig of genotype BB is crossed with a white guinea bb. What will be the phenotype of the
f1 generation
CORRECT ANSWER =all the offspring would be black
29 :- in the kidney of mammals the site for ultrification is the
30 :- the theory of natural selection was postulated by
31 :- the part labelled V carries oxygenated blood to the
32 :- Blood groups and tongue rolling are examples of
33 :- in mammals normal implanation takes place in the
34 :- plants which obtain their nutrients from dead organic matter are
35 :- the soil type that has the highest capillarity power is the
36 :- the largest biotic community in nigeria is the
37 :- the excretory organ of earthworm is the
38 :- the long hollow beak with tabular tongues in humming birds is an adaption for
CORRECT ANSWER =sucking necter from flowers
39 :- a severe long dry season is a characteristic feature of
40 :- Red blood cells are also known as
============================

Chemistry
1 :- kaolin is an ore of
2 :- the enzyme used in the conversion of starch to maltose is
3 :- a molecule of ozone is
4 :- in the reaction above an increase in temperature will shift the equilibrium position to the
CORRECT ANSWER =left and increase the equilibrium constant
5 :- in the reaction above X is
6 :- if 0.25g of calcium trioxocarbnonate(IV) is added to excess dilute hydrochloric acid,it takes 5 seconds for
carbon(IV)oxide to evolve.the rate of reaction is
7 :- the seperation technique suitable for the seperation of soluble slids from a solution are
8 :- silver and gold are not extracted by electrolysis or chemical reaction because
CORRECT ANSWER =they occur in free state
9 :- 12.50g of potassium chloride is dissolved in 25.0g of water at 25C.calculate its concentration in gdm3
10 :- which of the following is correct when sodium hydroxide pellet is dissolved in water
CORRECT ANSWER =entropy increases and enthalpy decreases
11 :- in the reaction above the general molecular formula is X is
12 :- the organic compound that undergoes addition reaction possess the general molecular formula
13 :- sulphur cannot be used
14 :- the source of water with the highest concentration of calcium ion is
15 :- the oxidation of a primary alkanol will produce an
16 :- petrol quality is evaluated by
17 :- the color of methyl orange indicator in aqeous ammonia solution is
18 :- a gas occupies 2.0 dm3 at 5.0 atm and 25c.calculate the amount in moles present
19 :- an ion can be defined as
CORRECT ANSWER =any atom or group of atoms which possesses an electric charge
20 :- in the laboratory preparation of oxygen from potassium trioxochlorate(V),the catalyst employed is
21 :- fused calcium chloride is usually emoloyed
CORRECT ANSWER =as a drying agent
22 :- the hyddroxide produces
23 :- the most reactive component of air is
24 :- which of the following electrolyutes will have the greatest conductance /
25 :- the electron configuration of an inert gas is
26 :- the reaction of 2 propanone with LiaH4 will produce
27 :- when an electric current is passed through an electrolyte the
CORRECT ANSWER =ions lose their random movement
28 :- in the reaction above the oxidation state of oxygen changes
29 :- an example of sols is
30 :- the chemical reaction that occur when magnesium ribbons burns in air is
31 :- chlorine is manufactured from brine by
32 :- in the solvay process the raw materials that is regenerated is
33 :- the iupac name of the structure above is
34 :- the primary pollutant that give rise to greenhouse effect
35 :- an example of a secondary amine is
36 :- the caption with the greatest tendency to be discharged in an electrolytic proces is
37 :- which of the following is not correct about gas molecules
CORRECT ANSWER =the forces of attraction between the gas molecules are high
38 :- an example op thermosetting plastic is
39 :- the transition metal that will not exihibit paramagnetism is
40 :- the valency of sulphur H2sO4 is
=======================

Government
1 :- the main function of the legislature is
2 :- the primary reason for the establishment of political parties is to
3 :- one of the demerits of the 1979 constitution in nigeria was that of
4 :- the head of the places in the pre-colonial Hausa system is
5 :- in the AU, which of the following organs prepares agenda for meetings?
general secretariat
6 :- Ensuring that appointment into federal establishment in nigeria reflect geographical spread is the sole
function of the
7 :- one of the dudies and ablogations of the state to the citizens is
8 :- in which of the following does the state have absolute control of all aspect of citizens' life
9 :- the characteristics of the civil service which prevents its officers from addressing the press unless
directed is known as
10 :- one of the important agent of political socialization is the
11 :- successive population figures have been constested in nigeria because of
12 :- the tenet of non-alignment connotes
13 :- which of these is an economic programme designed by the militery
14 :- the legal right to exercise power in a state is referred to as
15 :- one of the major sources of a constitution is
16 :- which of the following is a process of militery disengagement from nigeria politics?
CORRECT ANSWER =conduct of a free and fair election
17 :- the quorum in the OPEC conference is formed with the attendance of
CORRECT ANSWER =three quarters of members state
18 :- A major feature of monarchy is that it is
19 :- the northern and southern protectorates were made provinces under the
20 :- one major merit of the unitery system of government is that if
CORRECT ANSWER =it is cheaper to operate
21 :- bye laws are made by the
22 :- Disputes among member states of ECOWAS are settled by
23 :- which of the following is an advantage of presidential system of government
24 :- one of the demerits of the privatization of public corporations in nigeria is
CORRECT ANSWER =higher cost of goods and services
25 :- Grants received by the local government councils in nigeria are from
26 :- the totality of nigeria's participation in the international system is known as
foreign policy
27 :- smaller paties have little chance of winning elections in a
28 :- A major difference between a presure group and political party is that whereas the later aims at winning power, the former
29 :- new partnership for africa,s development was an attempt to overcome
CORRECT ANSWER =obbstacle of africa development
30 :- which of the following emphasizes the rule of law and human rights protection
31 :- early nationalist ativities manifested in the form of
32 :- the needs of the citizens are made known to the government throgh
33 :- the chairman of the 1976 constitution drafting committee was
34 :- the head of government under the 1979 constitution is the
35 :- the organ of the UN that served as custodian of some african countries prior to their independence is
36 :- the african country that was not colonized is