Home NEWS JAMB ANS FOR DAY 4 WEDNESDAY.

JAMB ANS FOR DAY 4 WEDNESDAY.

by Happynaija

PHY
1 :- what is the focus length of a mirror whose objecy and image distance from the mirror is 3cm and 15cm
respectively?
CORRECT ANSWER =
10cm
2 :- it is not advisable to rub a tent made of canvas in wet waether because it affects its
CORRECT ANSWER =
surface tension
3 :- a coil of inductance 2H is connected to a 50Hx a.c supply, the reactance of the inductor is
CORRECT ANSWER =
628n
4 :- if 4 x 1016J of enery is released in a nuclear reaction. Calculate the mass defect (c – 3.0 x 10 -8ms -1)
CORRECT ANSWER =
0.44kg
5 :- when three equal forces inlined at 120 0 on the same act on the same plane act on the object, the object
CORRECT ANSWER =
remains statioanry
6 :- the acceleration due to gravity on two bodies 50N and 80N on the earth’s suirface will be
CORRECT ANSWER =
greater on the 80N
7 :- an equiangular prism is made of florite glass refractive index of 1.414. the angle of minimum deviation
for a ray thought the glass is (sin -1 0.070 = 45 0)
CORRECT ANSWER =
45 0
8 :- caqlculate the number of moles of an object of an ideal gas of volume 8.3m3 of pressure of 3 x10 3Nm
-2 and temperature 27 0C (R = 8.3jmol -1 K -1)
CORRECT ANSWER =
10
9 :- the folowing are laws if solid friction except
CORRECT ANSWER =
friction and normal reaction
10 :-
CORRECT ANSWER =
purple
11 :- which of the following statement about a magnet is correct?
CORRECT ANSWER =
unlike poles attract each other
12 :- according to the kinetic theory, which of the following is NOT true of an increase is the temperature if
a gas at constant volume?
CORRECT ANSWER =
a decrease in pressure
13 :- calculate the energy for two capacitors 3F and 4Fg when coonected in paralle across a potential
difference of 100V
CORRECT ANSWER =
3.5 x 10 -2 s
14 :- the force required to mane a 6kg object move along a horizontal srface where the coefiicient of
friction is 0.25 is (g = 10ms -2)
CORRECT ANSWER =
15.0N
15 :- if the trun ratio of a transformer is 2.5 and the voltage across the primary is 10kV, the voltage across
the secondary is
CORRECT ANSWER =
4KV
16 :- the factor that does NOT increase the rate of evaporation of water in a pond is
CORRECT ANSWER =
the pressure of the atmoshpere
17 :- an echo sounder on a sea rece ives the echo 3s later. How far is the bed of the sea from the surface?
CORRECT ANSWER =
516.0m
18 :- the colour of sodian vapour used in flourescent tubes is
CORRECT ANSWER =
orange – red
19 :- the force between two charges 5C and 5C is 50N. Calculate the force between two charges 10C placed
at the same medium and same distance apart
CORRECT ANSWER =
200 N
20 :- which of the following statement is NOT correct for a R.I.C sreies circuit with a.c source and variable
frequency at resonace ?
CORRECT ANSWER =
impedance is maximum
21 :- leaves geneerally appear gree in the day light because they
CORRECT ANSWER =
reflect green coloyr of white light
22 :-
CORRECT ANSWER =
circle the wire
23 :- what is the quantity of heat generated when flows through a 7 resistor connected to a potential
difference of 7V for 5mins?
CORRECT ANSWER =
2100j
24 :- a body is pulled along a horizontal plane by a constant force of 15N applied parrallel to the plan.
Calculate the work done is moving the body to a distance of 10m
CORRECT ANSWER =
150J
25 :- calculate the apparent expansivity of a liquid whose increased in volume is 0.06m 3 and volume is
10m 3 if its raised through a temperature of 100 oC
CORRECT ANSWER =
5 x 10 -5 05 -1
26 :- which of the following is NOT a derived quantity?
CORRECT ANSWER =
temperature
27 :- hardness of X-rays implies
CORRECT ANSWER =
penetrating ability
28 :- which of the following is NOT a trivalent impurity atom?
CORRECT ANSWER =
arsenic
29 :- which of the following flunctions is performed by manganse (IV) oxide In the Leclanche cell?
CORRECT ANSWER =
depolarization of the cell
30 :- which of the following is both a mechanical and longititude wave?
CORRECT ANSWER =
sound
31 :- what is the quantity of heat required to the temperature of 20kg of aluminim through 10 0C (S.H.C =
900jkg -3 k-1)
CORRECT ANSWER =
18 x 10 4s
33 :- determine the focal length of a lens with power + 0.1 dioptres
CORRECT ANSWER =
10cm
34 :-
CORRECT ANSWER =
second class level
35 :- young’s modulus can be expresssed as
CORRECT ANSWER =
ration of tensile stress to strain
36 :- the sensitivity of a thermometer can be increased by
CORRECT ANSWER =
reducing the size of the bulb
37 :- a pipe closed at one end resonates to its fundemental of 300Hz. The frequency can also resonate at
CORRECT ANSWER =
900Hz
38 :- when heated, the density of oil of volume 0.8m 3 is 700kgm -3. the density when cooled to a volume
of 0.5m1is
CORRECT ANSWER =
1120.0kg/m2
39 :- which of the following sruface is the best absorber of radiant energy
CORRECT ANSWER =
black
40 :- calculate the internal resistance of two cells connected in series each of e.fm.f 1.5V connected to a n
external resistance of 12 and producing a current of 0.2A
CORRECT ANSWER =
3n                      

: Biology 7am-9am Wed
1 :- the structure can be found in
CORRECT ANSWER =
butterflies
2 :- the appendix of a human and the hipbone of a whale are examples of
CORRECT ANSWER =
vestigial structure
3 :- protozoa in the intestine of termite is an example of
CORRECT ANSWER =
mutualism
4 :- the part labelled I is
CORRECT ANSWER =
neutral spine
5 :- when testing the presence of starch in a leaf the leaf is placed in alchol to
CORRECT ANSWER =
remove the chlorophyll from the leaf
6 :- the structure is
CORRECT ANSWER =
rhizome
7 :- one of the advantage of cross fertilization is
CORRECT ANSWER =
it leads to the production of healthier offspring
8 :- the part labelled III is
CORRECT ANSWER =
sperm duct
9 :- the presence of tall trees with buttress root is a characteristic feature of
CORRECT ANSWER =
tropical rain forest
10 :- which of the following is a characteristic feature of schizophyta
CORRECT ANSWER =
they have prokaryotic cells with no definite nucleus
11 :- the instrument used for collecting tiny organism that live in soil watre is
CORRECT ANSWER =
bearmaum funnnel
12 :- the vector for dengue fever is
CORRECT ANSWER =
anopheles mosquito
13 :- biting and chewing mouth parts are found in
CORRECT ANSWER =
grasshoppers
14 :- which of the following is true of ecosystem
CORRECT ANSWER =
producers are more than primary consumers
15 :- which of the following is needed for strong bone and teeth formation and develpoment
CORRECT ANSWER =
vitamin D
16 :- plants with thick or waxy cuticles are referred to as
CORRECT ANSWER =
xerophytes
17 :- traits or sun total of the gene inherited from both parents are called
CORRECT ANSWER =
genotype
18 :- the theory of used and diuse of organs was postulated by
CORRECT ANSWER =
jean lamarck
19 :- which occurs during the process of nitrogen fixation
CORRECT ANSWER =
ammonium is converted to nitrate
20 :- plant cell can be differentiated from animal cell by
CORRECT ANSWER =
presence of cellulose in cell walls
21 :- the soil with lowest porosity is
CORRECT ANSWER =
clay
22 :- northern guinea savanna is found in
CORRECT ANSWER =
kastina jigawa and yobe
v2
4 :- which of the following occurs during the exhalation of air in mammal
CORRECT ANSWER =
intercostal muscles relaxes
25 :- the forelimbs of mammals are examples of
CORRECT ANSWER =
homologous structure
26 :- an example of non-renewable natural resources is
CORRECT ANSWER =
petroleum
27 :- the instrument used for comparing the numbers and types of animals in differeny soil sample is
CORRECT ANSWER =
tullgreen funnel
28 :- the structure is adapted for
CORRECT ANSWER =
sucking
29 :- the blood vessels that carries deoxygenated blood is
CORRECT ANSWER =
pulmonary artery
30 :- the diagram represents
CORRECT ANSWER =
lumber vertebrae
31 :- an example of organism that belongs to the phylum protista is
CORRECT ANSWER =
amoeba
32 :- the structure can be found in
CORRECT ANSWER =
ginger
33 :- gaseous exchange in the leaf of a plant occur in the
CORRECT ANSWER =
stomata
34 :- which of the following is an example of an morphological variation
CORRECT ANSWER =
skin colour
35 :- high faver difficult breathing and cough is a major symptoms of
CORRECT ANSWER =
pneumomia
36 :- bacteria and blue green algae are examples of
CORRECT ANSWER =
monera
37 :- the function of sympathetic nervous system is it
CORRECT ANSWER =
accelerates heart beat
38 :- the association between alga and fungus in lichen is n
CORRECT ANSWER =
mutualism
39 :- the function of the part labelled I is it
CORRECT ANSWER =
aids passage of sperm cell in vagina
40 :- the plant tissue that consist of living cells with thin cellilose cell wall is
CORRECT ANSWER =
parenchyma                      

 Chm 7am-9am Wed
1 :- liquid nitrogen can be used as
CORRECT ANSWER =
rocket fuel
2 :- what volume of oxygen at stp is required to burn 60g of carbon completely
CORRECT ANSWER =
112.0DM3
3 :- when a crystal was added to its solution no further dissolution was observed.this showed that the
solution was
CORRECT ANSWER =
saturated
4 :- which of the following statement is peculiar to isotopes
CORRECT ANSWER =
they have different numbers of electrons
5 :- in the reaction above the oxidizing agent is
CORRECT ANSWER =
2KI
6 :- the diagram above represents
CORRECT ANSWER =
p orbital
7 :- tin can be extracted from
CORRECT ANSWER =
ethanol
8 :- the alkanol obtained from the destrurctive distillation of wood is
CORRECT ANSWER =
297.3cm
9 :- when magnesium reacts with tetraoxosulphate(VI)acid 312cm3 of hydrogen gas was was collected at
28C and 750mmhg.calculate the volume of hydrogen gas at stp
CORRECT ANSWER =
10 :- the basicity of CH3COOH is
CORRECT ANSWER =
1
11 :- when a compound Q with molecular formula C2H4O2 reacts with excess methanol in the presence of
a catalyst, a sweet smelling substance is produced.the structural formula of Q is
CORRECT ANSWER =
12 :- how many faraday will be needed to deposit 9.6g of copper during the electrolysis of a solution of a
copper salt
CORRECT ANSWER =
0.3F
13 :- the derivative of methane that can be employed in dry cleaning is
CORRECT ANSWER =
Ccl4
14 :- the metal used in the construction of bridges is
CORRECT ANSWER =
iron
15 :- when a compound Q with molecular formula C2H4O2 reacts with excess methanol in the presence of
a catalyst, a sweet smelling substance is produced.the reaction between Q and methanol is
CORRECT ANSWER =
esterification
16 :- the alkali majorly used for making liquid soap is
CORRECT ANSWER =
CALCIUM HYDROXIDE
17 :- in electrolplating iron with zinc the cathode is iron because
CORRECT ANSWER =
zn2+ will be discharged and deposited at the cathode
18 :- which of the following is likely to be responsible for flavor of fruits and smell of flowers?
CORRECT ANSWER =
CH3COOCH3
19 :- the main product formed when excess acidified K2CR2O7 reacts with propan-1-ol is
CORRECT ANSWER =
propanoic acid
20 :- calculate the pH of 0.001mol/dm3 HCL?
CORRECT ANSWER =
3
21 :- “plaster of paris” is composed of
CORRECT ANSWER =
crystallization
22 :- the seperation technique that improves on the purity of a compound is
CORRECT ANSWER =
23 :- an example of naturally distilled water is
CORRECT ANSWER =
spring water
24 :- when elements 12X and 7Y combine chemically the formula of the compound formed
CORRECT ANSWER =
XY2
25 :- the dehydration of ethanol produces
CORRECT ANSWER =
ethene
26 :- in the diagram above what point indicates the end of a chemical reaction?
CORRECT ANSWER =
R
27 :- the oxygen in the atmosphere is kept fairly constant by the process of
CORRECT ANSWER =
aeration
28 :- elements belonging to the same group in the periodic table which exist as diatomic molecules and are
good oxidizing agents are referred to as
CORRECT ANSWER =
halogen
29 :- the mixture of gases used by divers is oxygen and
CORRECT ANSWER =
>O
30 :- in the endothermic reaction which involves the loss in entropy the value of change in G will be
CORRECT ANSWER =
31 :- at what temperature is the solubility of J and M are the same
CORRECT ANSWER =
28 degrees
32 :- the proces in which alkanes are converted to branched and cyclic hydrocarbons is
CORRECT ANSWER =
cracking
33 :- if 0.5moles of a monoalkanoic acid weighhed 44g,determine the moleular formula
CORRECT ANSWER =
C3H7COOH
34 :- CH3C(CH3)2CH2CL IS
CORRECT ANSWER =
1-chloro-2,2-dimethylpropane
35 :- THE MAXIMUM NUMBER OF ELECTRONS THAT CAN BE ACCOMODATED IN THE
SHELL HAVINGBTHE PRINCIPAL QUANTUM NUMBER 4 IS
CORRECT ANSWER =
32
36 :- which of the following reactions will be feasible in water ?
CORRECT ANSWER =
Ca+2H2O—–>Ca(OH)2+H2
37 :- the pollutant released in a large quantity from motor vehicle exhaust is
CORRECT ANSWER =
CARBON(II)OXIDE
38 :- in the reaction above the equilibrium constant is
CORRECT ANSWER =
[NH3]2/[N2][H2]3
39 :- the substance that rekindles a glowing splinter like oxygen is
CORRECT ANSWER =
N2O
40 :- alkali are not usually stored in aluminium containers because aluminium is
CORRECT ANSWER =
AMPHOTERIC                      
[14:49, 5/17/2017] Suki: ENGLISH – 17th 7am-9am
1. Fallacy 2. Staus 3. Authentication 4 it is an apparatus used for finding d exact position of an aircraft 5. D behaviour of matter 6. Aimed at 7. Creative 8. Transmitters 9. For 10. Free from 11. Concerned with 12. Crucial 13. At 14. Primary 15. Mould 16. Miriam 17. Cultural 18. Great suspicion 19. Yelwa club 20. University of Manchester 21. Borgu 22. Mr innocent 23. Appreciation 24. Jos 25. Promiscuous 26. It was easy for her to get 27. His boss became furious 28. He thought he was dreaming 29. She looked unkept 30. He wanted to obtain d job of a salesmansger. 31. Boldness 32. Sadness 33. Uprightness 34. Rightly 35. Tiny 36. Touching 37. Spiteful 38. Separate 39. Notorious 40. Betrayed 41. Readers’ 42. Tell 43. Discrepancies 44. Of 45. Aquorum 46. Neither will l 47. Theirs 48. Us 49. Integral 50. A random 51. Hair 52. Fan 53. Zeal 54. Razor 55. Leap 56. Rant 57. Reformative 58. REgulatory 59.How does Aliu run to school? 60. Who was ex- communicated?                      

 GOVERNMENT 17th 9am
-1976
-war agaist indiscipline and corruption
-Rilnan Lukman
-permit voluntary secession
-france
-age
-efficient service delivery
-exploitative
and domineering
-civil service commission
-election
-Quanta system
-Autocracy
-W A S U
-economic statues
-availability of it product
-acephalow
-separation of power
-human right groups
-monarchical
-the rule of law
-parliametery system
-has the people mandate
-prevent arbitrary law making
-english
-fight colonialist
-contesting election
-higher and fire civil service
-two
-mass media
-executive
-maintenace of peace, security and good governance
-constitution
-capitalism
-educational
-control behavior
-revenue allocation
-order in council
-political cases
-population
-babangida regime                      

English 9am
*formal education enhances the all round development
*learners are closely monitored and evaluated
*intertwined
*a teacher must establish a definitive target
*mindful
*devoid of
*bustle
*filling stations
*queues
*pumps
*available
*fares
*commuters
*rates
*black market
*gita and paddington
*vanessa
*colleagues at work
*complete his university education
*parents of spouses must improve their relationship
*yusuf
*adorable cats
*many africans got in and out of prison daily
*colonialism, war and family ties
*my mother was very ill
*the bride is under the control of the mother
*he did not win the election for lack of preparation
*he did it at isa’s order
*his party is in a leading position
*they always remain literal
*scared
*transparent
*a dunce
*gloomy
*modest
*innocuos
*virtue
*quickly and suddenly
*hopeful
*curious
*he asks me about my progress in school
*provided
*a new green nylon
*with
*canvass
*defiance
*have been
*wring
*on
*loss
*book
*good
*breadth
*reverts
*hush
*amBAssador
*reLAtionship
*did I disperse aisha at the cinema?
*who invited all his friends yesterday?
*                      

MATHS 17th 9am
1 -1/2 COS (2X+1)+C
2 D =SQUARE ROOT 34 UNITS
3  1
4 144 DECREE
5 8/13
6  118
7  E =KR/D RAISE TO POWER 2
10  -211  {1,9}
12  6 < or = x < or = 10
13  = 1 + y
14  = 40320
15  85 degree
16  15 degree
17  0,1
18  4y + 3x = 0
19  5/18
20  4.5
21  4x/9y
22  9
23  216,000,000
24  4
25  1089
27  Negative
28  5/12
29  40
30  -6
31  6
32
33  3/2
34  N45,000
35  (x + 1) (2x – 5)
36  (100100) base 2
37  1
38
39  1.25 x 10 power -1
40  28 degree                      

 BIOLOGY – 17th 9am
1 :- an example of an arboreal mammals Is
CORRECT ANSWER =
bat
2 :- the cusative organism of polio myelitis is infact is
CORRECT ANSWER =
virus
3 :- in humans sex is determined by
CORRECT ANSWER =
the difference in the nature of the X and Y chromosomes in the male
4 :- the mode of transmission of small pox is
CORRECT ANSWER =
airborne only
5 :- the theory of natural selection was postulated by
CORRECT ANSWER =
Darwin
6 :- the structure that gives rise to secondary thickening in plants is
CORRECT ANSWER =
cambium
7 :- a condition that is not necessary for germination of seed is
CORRECT ANSWER =
pressure
8 :- a dry dehiscent fruiy that has two structures in the pericap Is called a
CORRECT ANSWER =
legume
9 :- on contact with a glowing splint the gas In will
CORRECT ANSWER =
ignite the splint
10 :- which of the following processes does not contribute to the maintainance of the nitrogen content of
the soil
CORRECT ANSWER =
dentrification
11 :- in which of the following vertebrates does the skin function as a respiratory surface ?
CORRECT ANSWER =
frog
12 :- the possesion of scales laying of eggs with shells and bony structure of the head are characteristic
feature shared by
CORRECT ANSWER =
birds and reptiles
13 :- the deficiency of vitamin D in the diet of humans can result to
CORRECT ANSWER =
rickets
14 :- most of the trees of the rain forest have slender straight trunks and branched near the top this is
CORRECT ANSWER =
to ensure that their leaves get enough sunlight
15 :- the sum total of the genes that an offspring inherits from its parents is known as
CORRECT ANSWER =
genotypes
16 :- the biological factor that is unique to each other is the
CORRECT ANSWER =
DNA
17 :- the modification in structure physiology and behaviour of plant and animal is called
CORRECT ANSWER =
adaptation
18 :- the body that connetcs the left and right hemisphere of the forebrain is
CORRECT ANSWER =
corpus callosum
19 :- tugor pressure occurs in a cell wen the
CORRECT ANSWER =
volume of its cell sap increase
20 :- the part labelled II is the
CORRECT ANSWER =
endosperm
21 :- the function of the long-winged reproductive in a termite colony is
CORRECT ANSWER =
dispress the population
22 :- an example of coelenterates is
CORRECT ANSWER =
Hydra
23 :- according to Darwin the driving force behind evolutionary change is
CORRECT ANSWER =
natural selection
24 :- a characteristic of vertebrates that Is found only in mammals is
CORRECT ANSWER =
exhibition of parental care
25 :- the function of the part labelled I is to
CORRECT ANSWER =
serves as a bait
26 :- the primary function of the root hair is
CORRECT ANSWER =
absorption
27 :- the vertebra that permits the nodding movement of the head is
CORRECT ANSWER =
Atlas
28 :- the centre for controlling body temperature in the brain is the
CORRECT ANSWER =
Hypothalamus
29 :- the mode of nutrition in the organism above is
CORRECT ANSWER =
holozoic
30 :- the relative amount of the different soil particles can best be determined by the process of
CORRECT ANSWER =
sedimentation
31 :- the deficiency disease that results from lack of vitamin B is
CORRECT ANSWER =
beri-beri
32 :- which of the following are biotic factors of an ecosystem ?
CORRECT ANSWER =
bacteria and nematodes
33 :- In mammalian males the structure that stores sperm is the
CORRECT ANSWER =
epididymis
34 :- hygrometer is the instrument for measuring
CORRECT ANSWER =
relative humidity
35 :- the sudden change in a gene or chromosome that can be passed on to the offspring is
CORRECT ANSWER =
mutation
36 :- which of the following is not a biotic factor
CORRECT ANSWER =
edaphic
37 :- the experimental set up above is to verify
CORRECT ANSWER =
the production of oxygen during photosynthesis
38 :- the structure in a cell responsible for the synthesis of protein is the
CORRECT ANSWER =
ribosome
39 :- the process of mating a male donkey and a female horse to give a mule is known as
CORRECT ANSWER =
cross breeding
40 :- an example of insects that undergoes complete metamorphosis is
CORRECT ANSWER =
butterfly

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