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Question 1 of 100
1. Question
In finding the area of a football field, Dankanu measured the length of the field 10% shorter, and the width 5% longer. What is the percentage error involved in calculating the area of the field?
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Question 2 of 100
2. Question
Add 8189.5, 387.565 and 4.3859 leaving your answer correct to three significant figures.
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Question 3 of 100
3. Question
Calculate the cost of painting the total surface area of a solid cuboid of length 24m, breadth 15m and height 10m at a cost of N20 per m².
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Question 4 of 100
4. Question
A woman buys 100kg of fruits for N2,480. She sells 40kg for N50 per kg, 20 kg for N30 per kg, 10kg for N20 per kg, 6kg for N10 per kg and the rest for N5 per kg. What is her total profit?
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Question 5 of 100
5. Question
A man earns N8,000 a month and pays tax at the rate of 5 kobo in the naira. Calculate his net income.
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Question 6 of 100
6. Question
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Question 7 of 100
7. Question
Simplify
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Question 8 of 100
8. Question
Given that
find the value of p
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Question 9 of 100
9. Question
Let U = {5, 8, 11, ……., 23}, K = {x:x 12} and F = {x:x is a prime number} where x   U, what is K   F?
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Question 10 of 100
10. Question
Given that R’ = {1, 3, 5, 7, 9}, S = {3, 4, 5} and R’ = {4, 6, 8, 10}, then U is
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Question 11 of 100
11. Question
For what values of x is the expression 2x + 5 ÷ x² – 7x + 12 not defined?
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Question 12 of 100
12. Question
Given that ps = ½m (v² – u²). Evaluate p when v = 2.5, u = 1.5, m = 0.05 and s = 0.02
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Question 13 of 100
13. Question
If p varies directly as q² and q varies inversely as r, how does r vary, with p?
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Question 14 of 100
14. Question
If
What is 3n – 4m?
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Question 15 of 100
15. Question
If 3 + 2x < 7, then x lies between
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Question 16 of 100
16. Question
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Question 17 of 100
17. Question
How many terms of the sequence 10, 12, 14, _____ will add up to 190?
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Question 18 of 100
18. Question
A man saved N8 the first day, N16 the second day, N32 the third day and so on. How many days would it take him to save a total sum of N2,040?
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Question 19 of 100
19. Question
One advantage of out breeding is that it increases
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Question 20 of 100
20. Question
Parents         RR            x                rr
(Red coat)Â Â Â Â Â Â Â Â Â Â Â Â Â Â (White coat)
Gametes   (R) (R)                        (r) (r)
F1 offspring Rr Rr Rr Rr
In the above illustration, what is the expected coat colour of the F1 generation if R is the dominant trait?
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Question 21 of 100
21. Question
Homozygous and heterozygous traits that show dominance can be distinguished by
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Question 22 of 100
22. Question
A nucleotide of DNAÂ consists of
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Question 23 of 100
23. Question
Which of the following is an example of continuous variation in human populations?
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Question 24 of 100
24. Question
A heterozygous brown-eyed woman (Bb) marries a blue-eyed man (bb) and produces four children. The proportion of the eye colour of their children is
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Question 25 of 100
25. Question
Bacteria which reduce nitrates in the soil into gaseous nitrogen are called
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Question 26 of 100
26. Question
Amoeba proteus will not survive in sea water because of high
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Question 27 of 100
27. Question
In ecological succession, older communities are characterized by greater productivity as a result of increasing
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Question 28 of 100
28. Question
The causative agent of Severe Acute Respiratory Syndrome (SARS) is a
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Question 29 of 100
29. Question
Which of the following activities is most common in a tropical rainforest?
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Question 30 of 100
30. Question
The major type of erosion found commonly in the south eastern zone of Nigeria is
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Question 31 of 100
31. Question
Which of the following factors influences the concentration of green algae near the surface of a muddy lake?
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Question 32 of 100
32. Question
In a freshwater habitat polluted by sewage, the fish population is low because of the
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Question 33 of 100
33. Question
The environment factor adversely affecting food production in Africa is
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Question 34 of 100
34. Question
In the ocean, diatoms and flagellates are at the first trophic level because they are
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Question 35 of 100
35. Question
Animals in the arid regions develop very thick scales mainly
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Question 36 of 100
36. Question
The greatest impact on a natural ecosystem is made by
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Question 37 of 100
37. Question
An aquarium in which there are interacting green plants and animals can be referred to as
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Question 38 of 100
38. Question
The tiny organelles on the walls of a rough endoplasmic reticulum are the
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Question 39 of 100
39. Question
A stone is thrown vertically upwards and returns to the thrower after 6 seconds. Calculate the maximum height attained.
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Question 40 of 100
40. Question
If a particle of constant mass m moves in the direction of a uniform gravitational forcefield, it’s acceleration will
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Question 41 of 100
41. Question
The area under a force-distance curve of a mechanical system is a measure of
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Question 42 of 100
42. Question
How long will it take an electric heater to raise the energy of a body by 331,000 J when it is connected to the main power source of 14.5A, 220V?
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Question 43 of 100
43. Question
A good method of reducing friction between two moving objects is by
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Question 44 of 100
44. Question
A technician applied a force of 250 N at the end of a spanner of length 0.25m in order to loosen a nut. Determine the moment applied to the nut.
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Question 45 of 100
45. Question
An additional load to an elastic wire when the elastic limit is already reached will make the wire to
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Question 46 of 100
46. Question
An aneroid barometer can also be used as
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Question 47 of 100
47. Question
The variation in the thermometric property of an optical pyrometer depends on the
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Question 48 of 100
48. Question
An iron plate 2 cm thick has a cross-sectional area of o.5 m² with temperatures of 15° C and 140° C on both sides. Calculate the amount of heat that passes through the plate each second.
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Question 49 of 100
49. Question
The volume of a fixed mass of gas is 600 cm³ at 27° C. Calculate its temperature when the volume is changed to 300 cm³ at the same pressure.
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Question 50 of 100
50. Question
The average distance a molecule travels between successive collisions is the
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Question 51 of 100
51. Question
Which section of the electromagnetic spectrum is emitted as thermal radiation?
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Question 52 of 100
52. Question
A section through an advancing wave in which all the particles are in phase is the
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Question 53 of 100
53. Question
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Question 54 of 100
54. Question
The occurrence of echo is as a result of
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Question 55 of 100
55. Question
When a musical instrument is sounded, the overtones emanating from it
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Question 56 of 100
56. Question
A major property of light waves is that it is
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Question 57 of 100
57. Question
A boy stands between two pared plane mirrors. How many images of the boy can be formed in the mirrors?
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Question 58 of 100
58. Question
A converging lens of focal length 20cm produces an erect image of magnification 2. Calculate the object distance.
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Question 59 of 100
59. Question
The nuclear equation above represents
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Question 60 of 100
60. Question
The law obeyed when one volume of hydrogen reacts with one volume of chlorine to form two volumes og hydrogen chloride is
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Question 61 of 100
61. Question
Exhaust fumes from a smoky vehicle gradually disappear as a result of
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Question 62 of 100
62. Question
What is the shape of a molecule of CClâ‚„?
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Question 63 of 100
63. Question
A mixture of proteins can best be separated by
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Question 64 of 100
64. Question
The bonding between two elements where the shared pair of electrons are contributed by one of the elements is known as
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Question 65 of 100
65. Question
Which of the following electron configurations belong to a noble gas?
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Question 66 of 100
66. Question
What is the concentration of hydrochloric acid solution that contains 3.65g of HCl per 0.250 dm³ of the solution?
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Question 67 of 100
67. Question
The collisions of the gas molecules are said to be perfectly elastic because
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Question 68 of 100
68. Question
Pure water can be obtained from sea water by
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Question 69 of 100
69. Question
If both the pressure and volume of a given mass of gas initially at 0° C are doubled, what is the final temperature?
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Question 70 of 100
70. Question
CH₄(g) + 2O₂ (g) → 2H₂O(g) + CO₂(g)
From the equation above, the volume of carbon (IV) oxide formed by burning 25cm³ of methane completely is
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Question 71 of 100
71. Question
Permanently hard water is softened by the addition of
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Question 72 of 100
72. Question
When 100 cm³ of a saturated solution of KClO₃ in water at 40° C is evaporated, 14g of the salt is recovered . The solubility of KClO₃ in water at 40° C is
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Question 73 of 100
73. Question
The water supply for a town is usually purified by
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Question 74 of 100
74. Question
The boiling points of nitrogen, oxygen and carbon (IV) oxide are -196° C, -183° C and -65° C respectively. In the fractional distillation of liquid air, which of the following will distill out first?
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Question 75 of 100
75. Question
The extent of pollution in river water can be measured by the level of
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Question 76 of 100
76. Question
At a certain time, 1.2 mg of a radioactive substance is present. After 6 hours, there is only 0.3 mg remaining. The half-life of the element is
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Question 77 of 100
77. Question
In the electrolytic purification of impure copper, the electrolyte used is a soluble salt of
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Question 78 of 100
78. Question
In an acid-base titration, the colour of methyl orange indicator at the equivalence point is
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Question 79 of 100
79. Question
Rusting of iron is considered an electrochemical process with iron acting as the
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Question 80 of 100
80. Question
The solvent used for removing stains from a cotton fabric is
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Question 81 of 100
81. Question
In each of questions 81 to 95, choose the option nearest in meaning to the word or phrase in italics.
The man gave the answer off path.
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Question 82 of 100
82. Question
In each of questions 81 to 95, choose the option nearest in meaning to the word or phrase in italics.
Philosophers believe that grammatical exercises stretch people’s intelligence.
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Question 83 of 100
83. Question
In each of questions 81 to 95, choose the option nearest in meaning to the word or phrase in italics.
The man’s greatest pleasure was to develop latent talent.
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Question 84 of 100
84. Question
In each of questions 81 to 95, choose the option nearest in meaning to the word or phrase in italics.
An army of government inspectors came to the town following the reported discovery of gold.
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Question 85 of 100
85. Question
In each of questions 81 to 95, choose the option nearest in meaning to the word or phrase in italics.
Mosquitoes are ubiquitous there because of the bad drainage system.
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Question 86 of 100
86. Question
In each of questions 81 to 95, choose the option nearest in meaning to the word or phrase in italics.
The villagers ran the armed robber to earth.
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Question 87 of 100
87. Question
In each of questions 81 to 95, choose the option nearest in meaning to the word or phrase in italics.
The students were indignant at the principal.
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Question 88 of 100
88. Question
In each of questions 81 to 95, choose the option nearest in meaning to the word or phrase in italics.
The old woman was so ill that she could not make water.
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Question 89 of 100
89. Question
In each of questions 81 to 95, choose the option nearest in meaning to the word or phrase in italics.
The man is patently a crook.
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Question 90 of 100
90. Question
In each of questions 81 to 95, choose the option nearest in meaning to the word or phrase in italics.
Towards the end of the public lecture, the speaker went off at a tangent.
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Question 91 of 100
91. Question
In each of questions 81 to 95, choose the option nearest in meaning to the word or phrase in italics.
The players were advised to stick to the rules of the game.
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Question 92 of 100
92. Question
In each of questions 81 to 95, choose the option nearest in meaning to the word or phrase in italics.
The new player was very nimble.
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Question 93 of 100
93. Question
In each of questions 81 to 95, choose the option nearest in meaning to the word or phrase in italics.
The chief’s son was a complete nonentity.
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Question 94 of 100
94. Question
In each of questions 81 to 95, choose the option nearest in meaning to the word or phrase in italics.
Amina was put out by the noise during the lecture.
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Question 95 of 100
95. Question
In each of questions 81 to 95, choose the option nearest in meaning to the word or phrase in italics.
The splendour of the occasion attracted criticism.
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Question 96 of 100
96. Question
In each of the questions 96 to 100, select the options that best explains the information conveyed in the sentence
Some students take examinations in their stride.
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Question 97 of 100
97. Question
In each of the questions 96 to 100, select the options that best explains the information conveyed in the sentence.
I was not surprised that the woman had so large a heart.
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Question 98 of 100
98. Question
In each of the questions 96 to 100, select the options that best explains the information conveyed in the sentence.
The labour union has crossed the rubicon as far as continuing the strike is concerned.
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Question 99 of 100
99. Question
In each of the questions 96 to 100, select the options that best explains the information conveyed in the sentence.
Mazi Ngozi, realizing her daughter’s intention, queered her pitch.
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Question 100 of 100
100. Question
In each of the questions 96 to 100, select the options that best explains the information conveyed in the sentence.
At last she decided to make a clean breast of everything.
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