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*MATHS 1:30pm*

1 :- Add 1011 base 2 and 11101 base 2
CORRECT ANSWER =
(101000) base 2
2 :- Rationalize 2 – square root 3 / square root 3 + square root 2
CORRECT ANSWER =
square root 3 – 2 square 2 + square root 6 – 3
3 :- Calculate the interior angle of a regular polygon with 6 sides
CORRECT ANSWER =
120
4 :- If P = [2,4,0 1,5,-2 3,6,-3] Find |P|
CORRECT ANSWER =
-18
5 :- Express 8.3 x 10 power -5 as decimal fraction
CORRECT ANSWER =
0.000083
6 :- Represent the inequality -1 < x < or = 3 on a niumber line
CORRECT ANSWER =
-1 3
7 :- From the diagram above, calculate the area of the triangle
CORRECT ANSWER =
4.0cm square
8 :- The coordinates of the mid point of the line joining (x base 2 y base 2) are
CORRECT ANSWER =
1/2(x base 1 y base 1), 1/2 (x base 2 + y base 2)
9 :- Solve 3x p9 power 3 x = 27
CORRECT ANSWER =
3
10 :- if the factory employs 108 people. How many are mangers
CORRECT ANSWER =
6
11 :- Given the equation 8y – 10x = 28 and 2y = 6x, Find the value of x and y
CORRECT ANSWER =
2, 6
12 :- In how many ways on the word STATISTICS be arranged?
CORRECT ANSWER =
10! / 3! 3! 2!
13 :- A teacher spent 1/5 of her salary on shoes, 1/3 of the reminder on food and kept the rest for miscellaneous expenses. What fraction was kept
CORRECT ANSWER =
8/15
14 :- Find the sum of the first five terms of the sequence 3,6,9,?
CORRECT ANSWER =
45
15 :- Find the distance between the points on aline P(2,6) and Q(5,9)
CORRECT ANSWER =
3 square root 2
16 :- If a fair coin is tossed thrice, find the probability of obtaining at least 2 heads
CORRECT ANSWER =
1/2
17 :- In the diagram above QU//RT, RS//TU, QR = 4cm, QS = 4cm, RT = 6cm. Find the ratio of the area of UTRS to the area of QUTR
CORRECT ANSWER =
24:16
18 :- Defin the binary operation * by a * b = a power 2 + b power 2. Evaluate 4 * 3
CORRECT ANSWER =
25
19 :- Find 2M + 3N
CORRECT ANSWER =
(3,8,2 10,3,2 3,6,4)
20 :- Find the nth term n of the geometric sequence 8,4,2,?.
CORRECT ANSWER =
16 (1/2) power n
21 :- Find the number of ways of selecting 5 cups out 12 cups for tea break
CORRECT ANSWER =
792
22 :- From the diagram above, find the value of y degree
CORRECT ANSWER =
45 degree
23 :- If p varies directly as the square of z and p = 20 when z = 5, find p when z = 8
CORRECT ANSWER =
51.2
24 :- If P {factor of 12 less than 12}. Q {even numbers greater than 2 but less than or equal to 10}
CORRECT ANSWER =
{4,6}
25 :- In the diagram above PQ // RS The size of the angle marked y is
CORRECT ANSWER =
85 degree
26 :- Find the value of log a power 5 base a
CORRECT ANSWER =
5
27 :- Given the diagram above, PQRS is a cyclic quadrilateral, Find the angle marked x
CORRECT ANSWER =
82
28 :- Calculate the simple intertst on N6,500 for 4 years at 6%
CORRECT ANSWER =
N1560
29 :- Find it mode of the given data. 1,0,5,3,2,4,3,1,2,6,3,5
CORRECT ANSWER =
3
30 :- Evaluate S (6 cos x – 4 x power 2)
CORRECT ANSWER =
6 sin x – 4/3 x power 3 + k
31 :- Given the function y = 3x square – 5x, find the dy/dx at x = -1
CORRECT ANSWER =
-11
32 :- Divide 3x power 3 – 2x square – 5 + 3 by x + 2
CORRECT ANSWER =
(x+1) (3x power 2 – 8x + 11) – 19
33 :- In a right angled triangle 0,0 show that sin square 30 + cos square 30 = x. Find x
CORRECT ANSWER =
1
34 :- Find the limit of a givenm fractrion lim / x -> 3 x square – 4 / x + 2
CORRECT ANSWER =
1
35 :- From the table above, find the range of the distribution
CORRECT ANSWER =
5
36 :- Convert 733 base ten to a number in base five
CORRECT ANSWER =
(10413) base five
37 :- List the members of (M n H) n L
CORRECT ANSWER =
{t}
38 :- If V varies inversely as x square and V = 9 when x = 10 find V when x = 5
CORRECT ANSWER =
36
39 :- If f(x) = 3x power 3 – 2x square 5x + 3 find f(-1)
CORRECT ANSWER =
3
40 :- Find the median of the number 4,7,9,3,11 and 6
CORRECT ANSWER =
6.5
=========================
SUBJECT: *BIOLOGY*

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*TIME: 1:30pm*

1 :- the biome that is characterized
with large herbivores . Few and
scattered fire resistant trees is
CORRECT ANSWER =
savanna
2 :- nephridium is a structure that
removes waste product from the
body of CORRECT ANSWER = an
earthworm
3 :- the joint between the femur and
tibia is known as CORRECT ANSWER
= hinge joint
4 :- the part that attracts insects for
pollination is CORRECT ANSWER = II
5 :- an example of insects that
undergoes complete metamorphosis
is CORRECT ANSWER = butterfly
6 :- the structure is adapted for
CORRECT ANSWER = omnivores
7 :- the lung of the lungfish is an
adaption for respiration CORRECT
ANSWER = to compliment gills while
in water
8 :- which of the following is an
adaption of grassland vegetation
CORRECT ANSWER = possession of
fewer tree branches bearing large
sized numbers of leaves
9 :- the protists that is a producer in
an aquatic food chain is CORRECT
ANSWER = chlamydomonas
10 :- the diagram represents a
CORRECT ANSWER = wind vane
11 :- an example of insects that
undergoes complete metamorphosis
is CORRECT ANSWER =
butterfly
12 :- the feeding relationship among
a set of members of a community is
referred to as CORRECT ANSWER =
food web
13 :- the colour of the left eye of two
out of three newly born kittens of
the same parents is different from
the right eyes because of CORRECT
ANSWER =
mutation
14 :- ability to taste PTC in some
individuals is a characteristics that is
CORRECT ANSWER = heritable
15 :- the part labelled III is CORRECT
ANSWER = guinea savanna
16 :- red blood cells are also known
as CORRECT ANSWER = erythrocytes
17 :- the dentition is found in
CORRECT ANSWER = man
18 :- the bacteria that is spherically
shaped is called CORRECT ANSWER =
coccus
19 :- the excretory products common
to both plants and animals are
CORRECT ANSWER = water and
carbon(iv) oxide
20 :- the continuous absence of iron
in a diet of man result to CORRECT
ANSWER = anaemia
21 :- epiphytic plants are more
abundant in the part labelled
CORRECT ANSWER =
IV
22 :- the level of organization of
Amoeba and Eagle a cell is CORRECT
ANSWER = cell
23 :- the instrument is used to
measure CORRECT ANSWER =
direction of wing
25 :- the soil component which has
the ability to retain a high amount of
water is CORRECT ANSWER = clay
26 :- the modification in structure
physiology and behaviour of plant
and animals is called CORRECT
ANSWER = adaption
27 :- agglutination can occur during
blood transmission when CORRECT
ANSWER = blood of incompatible
blood groups is mixed
28 :- the host of Teania solium is
CORRECT ANSWER = pig
30 :- when an ovary is placed on the
receptacle above the other floral
parts is referred to as CORRECT
ANSWER = superior ovary
31 :- an example of organism which
exists as a colony is CORRECT
ANSWER = volvox
32 :- size colour and finger prints are
examples of CORRECT ANSWER =
morphological variation
33 :- the allele which phenotypically
expresses itself from heterogenous
pairing is said to be
CORRECT ANSWER = a hybrid
34 :- which of the following is a
characteristic of fungus? CORRECT
ANSWER = they are both saprophytic
and parasitic
35 :- carbon(iv) oxide is added to the
atmosphere when CORRECT
ANSWER =
36 :- the soil type which when
present in high proportion will not
support the cultivation of vegetable
is CORRECT ANSWER =
clay
37 :- in mosses the structure which
performs the function of water
absorption is the CORRECT ANSWER
= rhizoids
38 :- the matured sex cell which
takes place in sexual reproduction is
referred to as CORRECT ANSWER =
gamete
39 :- the most efficient respiratory
structure used by free living
protozoan is CORRECT ANSWER =
body surface
40 :- which of the following factors
can reduce the population of a
community ? CORRECT ANSWER =
emigration
==================================
*jamb chemistry 1:30pm*

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(1)Electron affinity
(2)NH3
(3)Ammonia
(4)3
(5)!G!*aH*y/A*aB*b
(6)Fe3o3
(7)3
(8)dissolving sugar in water
(9)Oxygen gas is given at the cathode.
(10)Neutron
(11)solubility
(12)Hcl
(13)activation energy
(14)NH4CL
(15)finely divided iron
(16)6.6×10*19
(17)(G*x)(H) *y/(A)*a(B)*b
(18)the equality of the rate of the forward and reverse reaction
(19)metalic and coordinate covalent bond
(20)mass
(21)yellow
(22)silving
(23)26.53%
(24)alpha particles
(25)alkaline pyrogallol
(26)CH2O
(27)carbon(iv) and noble gasses
(28)reduction
(29)by downward displacement of air
(30)pottasium metal is deposited at the cathode
(31)electron dissolves
(32)27.0g
(33)reduced
(34)CnH2n-2
(35)esterifucation
(36)number of molecule present
(37)negetive
(38)hydrogen sulphide
(39)Basic
(40)green to orange
================================
*PHYSICS 1:30pm*

1 :- find the potential energy of an object of an mass 10kg placed on a building floor 10m above the ground level (g = 10ms -2)
CORRECT ANSWER = 1000J

2 :- if a catapult is used to project a stone, which of the fdllowing energy conversion takes place as the stone is released?
CORRECT ANSWER = the elastic potential
3 :- which of the followingj graphs coprrectly describe the variation of the mechanical advantage with load for a simple manchione whose velocity ratio is 4?
CORRECT ANSWER = load
4 :- two forces, each of magnititude 20N, act in opposite directions at the opposite ends of a circular ring. If the diameter of the ring is 50cm, calculate the magnitude of the couple acting on the ring.
CORRECT ANSWER = 10Nm
5 :- the power of accomodation of the human eye is controlled by
CORRECT ANSWER = ciliary muscles
6 :- the following phenomena are conqequences of rectilinear prompagation of light excerpt
CORRECT ANSWER = diffraction
7 :- the product PV where P is pressure and V is volume has the same unit as
CORRECT ANSWER = work
8 :- which of the following graph is the output of a.d.c dynamo?
CORRECT ANSWER =
9 :- if the apparent expansivity of a liquid is 10 -4K-1 contained in a vessel of linear expansivity of 10 -5 K-1, the total expansivity of liquid is
CORRECT ANSWER = 1.3 x 10 -4 K-1
10 :- which of the following pairs of light rays shows the widest separation in the spectrum of white light?
CORRECT ANSWER = red and indigo
11 :- a charge 1C liberates 0.00-44 g of ciopper in an electrolytic process. How long will it take a current of 2A to liberate 2.64g of copper in such a process
CORRECT ANSWER = 300s
12 :- thye presence of a dielectric in a parallel plate capacitor
CORRECT ANSWER = increase its capacitance
13 :- the alterration in loudness observed when two notes of nearly equal frequencies sounded together resulting in periodic rise and fall in loudness is known as
CORRECT ANSWER = beats
14 :- at the neutral point, the horizontal components of the earth’s magnetic field and that due to the magnet are
CORRECT ANSWER = equal and opposite
15 :- the function of zener diode is
CORRECT ANSWER = voltage regulation
16 :- in the diagram above, calculate the current flowing in the a.c circuit
CORRECT ANSWER = 2.00A
17 :- if an object is placed 20cm in front of a concave mirror of focal length is 30cm; calculate the position and nature of the image formed.
CORRECT ANSWER = 60cm and virtual
18 :- which of the liquid below is non-volatile?
CORRECT ANSWER = mercury
19 :- calculated the current flowing through the soleniod of inductance 30mH required to produce energy of 0.45J used in producing the magnetic field in and around the coil.
CORRECT ANSWER = 5.5A
20 :- which of the above are derived quantities
CORRECT ANSWER = I, II and IV only
21 :- calculate the viscous force acting on an object of mass 0.3kg travelling at terminal velocity in a fluid with an upthrust of 0.5N
CORRECT ANSWER = 2.5N
22 :- the pseed of sound in air at sea-level is 420ms-1 while that of light is 3 x 10-8ms -1. how far from the centre of a thurderstorm is an observer who hears a thunder 3 s after a lighting flash?
CORRECT ANSWER = 1260m
23 :- what is the number of electrons contained in the element 238/92U
CORRECT ANSWER = 146
24 :- when one arm of a u-tube manometer is connected to a gas supply, the levels of mercury in the two arms of the u-tube are as shown in the diagram above. If the atmosphere pressure is 86.0cmHg, the gas pressure is
CORRECT ANSWER = 96.2cm Hg
25 :- a piano wire 0.8m long has a total mass of 0.02kg and is stretched with a tension of 60N. Calculate the frequency of the wire when it sounds its fundamental note
CORRECT ANSWER = 112.7Hz
26 :- if the motion of an object ina straight line is uniformly retarded so that it comes to rest in 40s after travelling a distance of 50m, calculate the initial velocity of the object.
CORRECT ANSWER = 2.5m/s
27 :- the nuclear reaction above above is
CORRECT ANSWER = fission
28 :- if a tap supplies water at 24 0C and another supplies at 80 0C. What will be the ration of the mass of cold water and hot water for a man that wishes to bath with water at 38 0C?
CORRECT ANSWER = 1.3
29 :- if an object of mass 40kg experiences a gravititation force of 68N on a planet, what will be the gravitational field intensity on that planet?
CORRECT ANSWER = 1.7N kg-1
30 :- a boat travels due east at a speed of 40ms-1 across a river flowing due at 30ms-1. what is the resulted speed of the boat?
CORRECT ANSWER = 50m/s
31 :- the above infmormation describe the phenomenon of
CORRECT ANSWER = mirage
32 :- what is the process of changing molescules of liquid into bubbles of vapour or gas called?
CORRECT ANSWER = vaporization
33 :- calculate the length of the liquid in a barometer tube that would support an atmosphere pressure of 3.06 x 10 5Nm-2 if the desnity of the liquid is 1.36 x 10 4kgm -3
CORRECT ANSWER = 2.25m
34 :- the motion of smoke aprticles in air is an example of
CORRECT ANSWER = random motion
35 :- when heat is applied to one end of a metal rod, the molescules at the other end soon begin to vibrate with greater amplitude than before because heat has been transferred by
CORRECT ANSWER = conduction
36 :- which of the following graphs of current against voltage illustration ohm’s law?
CORRECT ANSWER =
37 :- how long does it takes a 650W heater to raise the temperature of 2kg of water from 30 0C to 50 0C
CORRECT ANSWER = 258s
38 :- which of the following will an insulated rod rubbed with a material acquire?
CORRECT ANSWER = a positive change of glass
39 :- the function of a granulated carbbon mixed with mangase (IV) oxide in a leclanche cell is to
CORRECT ANSWER = prevent polerization
40 :- a metal of mass 1.5kg was heated from 27 0C in 4minutes by a boiling ring of 75W rating. Calculate the specific heat capacity of th
e metal
CORRECT ANSWER = 6.0 x 10 2 J kg -1 K -1

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