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Question 1 of 100
1. Question
Each interior angle of a regular polygon is 7 times the corresponding exterior angle. How many sides has the polygon?
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Question 2 of 100
2. Question
A chord of a circle of radius, 6cm subtends angle 150º at the centre of the circle. Find the area of the minor segment correct to three significant figures.
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Question 3 of 100
3. Question
A goat is tethered to a pole by a rope 21 cm long. Calculate the area of grazing available to the goat.
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Question 4 of 100
4. Question
What is the value of cos (-840º) ?
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Question 5 of 100
5. Question
A cyclist starts from a point P and moves on a course 60º for 72 metres. He then moves 26 metres southwards. How far north is he now from point P?
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Question 6 of 100
6. Question
The gradient of the curve y = x² + 4x at the point (2, 10) is
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Question 7 of 100
7. Question
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Question 8 of 100
8. Question
The turning point on the curve y = 4x – x² is a
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Question 9 of 100
9. Question
Evaluate (cos 3x + sin 4x) dx
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Question 10 of 100
10. Question
Evaluate
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Question 11 of 100
11. Question
In a class of 80 students, there are 8 boys to every 2 girls. If this information is represented on a pie chart, what angle corresponds to the girls?
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Question 12 of 100
12. Question
The bar chart is a series of bars or columns with each height proportional to the
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Question 13 of 100
13. Question
Find the median of 2, 3, 4, 7, 6, 8, 9, 2, 1
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Question 14 of 100
14. Question
Given that a standard deviation of a set of data is 3.6, what is the variance of the data?
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Question 15 of 100
15. Question
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Question 16 of 100
16. Question
How many arrangements are there of all the letters of the word LETTER?
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Question 17 of 100
17. Question
A fair die is thrown once. The probability of the result being a prime number is
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Question 18 of 100
18. Question
A bag contains 12 similar balls, 5 of which are yellow, 4 red and the rest black. If a ball is picked at random, what is the probability that is not black?
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Question 19 of 100
19. Question
The cytoplasm in unicellular organisms is made up of
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Question 20 of 100
20. Question
Bryophytes are different from flowering plants because they
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Question 21 of 100
21. Question
The pair of organisms that belong to the phylum coelenterate is
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Question 22 of 100
22. Question
Most insects communicate by means of a mixture of chemicals known as
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Question 23 of 100
23. Question
An organism with a two-chambered heart is
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Question 24 of 100
24. Question
Among the vertebrates, mammals are generally the most successful because they
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Question 25 of 100
25. Question
The layer of epithelial tissue in the intestine is
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Question 26 of 100
26. Question
The most convincing evidence of evolution from embryology is the presence of
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Question 27 of 100
27. Question
An example of a vestigial structure in the human body is
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Question 28 of 100
28. Question
The part of the brain that co-ordinates muscular movement and maintains body balance is the
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Question 29 of 100
29. Question
Secondary growth in plants results in an increase in
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Question 30 of 100
30. Question
When the concentration of solutions in a cell and its surrounding environment is equal, this condition is said to be
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Question 31 of 100
31. Question
The liquid that serves as a lubricant to the mammalian joints is the
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Question 32 of 100
32. Question
When seedlings are transplanted during hot afternoons, they wilt because
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Question 33 of 100
33. Question
Which of the following is an autotrophic mode of nutrition?
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Question 34 of 100
34. Question
The excretory products in plants include
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Question 35 of 100
35. Question
The structure that forms the pericarp of a fruit is the
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Question 36 of 100
36. Question
When a fly lands on the leaf of Mimosa plant, the type of movement the plant exhibits is
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Question 37 of 100
37. Question
Muscle fatigue during vigorous exercise occurs as a result of the
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Question 38 of 100
38. Question
Which of the following provides the mammalian embryo with nutrients before the formation of the placenta?
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Question 39 of 100
39. Question
The essential parts of a flower consist of the
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Question 40 of 100
40. Question
The kidney is connected to the bladder by the
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Question 41 of 100
41. Question
Which of the following colours has the least speed when light passes through a dispersive medium?
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Question 42 of 100
42. Question
The image formed on the retina of a normal eye is
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Question 43 of 100
43. Question
A man is myopic with a far point of 2m. What will be the prescription for the eye glasses he will use?
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Question 44 of 100
44. Question
Which of the following colours of light will give white light on mixing?
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Question 45 of 100
45. Question
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Question 46 of 100
46. Question
The simplest instrument used in detecting electric charges is the
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Question 47 of 100
47. Question
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Question 48 of 100
48. Question
The major defects of a simple cell are
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Question 49 of 100
49. Question
Which of the following is a secondary cell?
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Question 50 of 100
50. Question
A household refrigerator is rated 100W. What is the cost of operating it for 20 days if electricity costs 50k per kwh?
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Question 51 of 100
51. Question
The force exerted by a current carrying conductor on another is owing to
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Question 52 of 100
52. Question
Given that a transformer has a secondary to primary turn ratio of 5, what is its output voltage if it is connected to a 120V mains?
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Question 53 of 100
53. Question
The induction coil works on the same principle as
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Question 54 of 100
54. Question
The rate of energy transfer between the circulating charge and the circuit is the
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Question 55 of 100
55. Question
Calculate the turns value of an alternating e.m.f of peak value 220V.
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Question 56 of 100
56. Question
How long will it take to electroplate 3.00 g of silver onto a brass casing by the use of a steady current of 15.0 A?
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Question 57 of 100
57. Question
After two hours, a radioactive substance of half-life 20 mins decayed to 2.5 g, what was its original mass?
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Question 58 of 100
58. Question
The particle X in the fusion reaction above is
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Question 59 of 100
59. Question
In a fission of uranium isotope, a mass defect of 0.25 a.m.u is observed. Calculate the binding energy of the isotope.
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Question 60 of 100
60. Question
An atomic nucleus consists of protons and neutrons. The energy equivalent of the mass difference between a nucleus and its constituents is the
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Question 61 of 100
61. Question
Electrons are more diffracted than protons under the same conditions owing to their
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Question 62 of 100
62. Question
What type of impure atom must be added to a pure semiconductor in order to obtain an n – type semiconductor?
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Question 63 of 100
63. Question
In bipolar transistors, conduction is by
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Question 64 of 100
64. Question
In a power supply circuit, the component that acts as a rectifier is the
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Question 65 of 100
65. Question
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Question 66 of 100
66. Question
The criterion for a reversible process is
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Question 67 of 100
67. Question
The melting of ice at room temperature is
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Question 68 of 100
68. Question
In the preparation of dry oxygen, the product is collected over mercury and not by displacement of air because oxygen
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Question 69 of 100
69. Question
Which of the following processes is used in the extraction of a less electropositive metal?
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Question 70 of 100
70. Question
When sulphur (IV) oxide gas is bubbled into iron (III) chloride solution, the colour changes from
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Question 71 of 100
71. Question
Aluminium is a good roofing material because it
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Question 72 of 100
72. Question
Which of the allotropes of tin exists at room temperature?
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Question 73 of 100
73. Question
The gas responsible for most fatal explosions in coal mines is
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Question 74 of 100
74. Question
The reaction of sodium peroxide with ice cold water can be represented by
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Question 75 of 100
75. Question
Ammonia is highly soluble in water because it is
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Question 76 of 100
76. Question
A gas with an irritating smell which also turns moist blue litmus paper red and then bleaches it is
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Question 77 of 100
77. Question
Hydrogen is used for filling balloons because it
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Question 78 of 100
78. Question
In the reaction above, the forward reaction approaches completion with
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Question 79 of 100
79. Question
Which of the following represents ethylethanoate?
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Question 80 of 100
80. Question
On exposure to air, the sour taste developed by alcoholic drinks is due to the formation of
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Question 81 of 100
81. Question
Which of the following carbohydrates can be found in mammalian milk?
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Question 82 of 100
82. Question
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Question 83 of 100
83. Question
Which of the following is a naturally occuring giant molecule?
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Question 84 of 100
84. Question
The major product obtained from the alkaline hydrolysis of bromoethane is
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Question 85 of 100
85. Question
An organic acid that can be decarboxylated to benzene when strongly heated with soda lime is
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Question 86 of 100
86. Question
In each of questions 86 to 100, choose the option that best completes the gap.
The ______ harmattan was really severe.
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Question 87 of 100
87. Question
In each of questions 86 to 100, choose the option that best completes the gap.
Her account of the event is not true, she just ______
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Question 88 of 100
88. Question
In each of questions 86 to 100, choose the option that best completes the gap.
Ejike shouldn’t have spoken so harshly, ______?
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Question 89 of 100
89. Question
In each of questions 86 to 100, choose the option that best completes the gap.
Maimuna is the ______ girl in her class
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Question 90 of 100
90. Question
In each of questions 86 to 100, choose the option that best completes the gap.
The boy ate too _____ mangoes, and so he had a stomach-ache.
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Question 91 of 100
91. Question
In each of questions 86 to 100, choose the option that best completes the gap.
The visitors didn’t knock before they entered the office, _______?
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Question 92 of 100
92. Question
In each of questions 86 to 100, choose the option that best completes the gap.
This is an _____ from a famous book.
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Question 93 of 100
93. Question
In each of questions 86 to 100, choose the option that best completes the gap.
A strip of dense woodland is on ______ side of the stream.
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Question 94 of 100
94. Question
In each of questions 86 to 100, choose the option that best completes the gap.
Beauty is not always the best _____ when it comes to choosing a wife.
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Question 95 of 100
95. Question
In each of questions 86 to 100, choose the option that best completes the gap.
I’d give up that dangerous habit if I _____
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Question 96 of 100
96. Question
In each of questions 86 to 100, choose the option that best completes the gap.
The church bell _____ in celebration.
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Question 97 of 100
97. Question
In each of questions 86 to 100, choose the option that best completes the gap.
When my uncle collected the loan, he bought ______
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Question 98 of 100
98. Question
In each of questions 86 to 100, choose the option that best completes the gap.
The older many people grow, the ______ they become.
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Question 99 of 100
99. Question
In each of questions 86 to 100, choose the option that best completes the gap.
A bent mirror always gives a _____ reflection.
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Question 100 of 100
100. Question
In each of questions 86 to 100, choose the option that best completes the gap.
I will add a brief _____ to my letter.
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