JAMB 2026 – USE OF ENGLISH, BIOLOGY , CHEMISTRY & PHYSICS CBT QUESTIONS 1–150) Subjects...

JAMB 2026 – USE OF ENGLISH, BIOLOGY , CHEMISTRY & PHYSICS CBT QUESTIONS 1–150)

Subjects & Range:
USE OF ENGLISH: Questions 1–50
LEKKI HEADMASTER NOVEL: Questions 51–60

CHEMISTRY:
PHYSICS:

USE OF ENGLISH – 1–50

1. No sooner had the principal entered the hall ______ the students stood up.
A. when
B. than
C. that
D. while

2. She would rather he ______ the truth immediately.
A. tells
B. told
C. tell
D. telling

3. Hardly ______ he left the house when the rain started.
A. had
B. has
C. did
D. was

4. The lecturer insisted that the report ______ submitted by Friday.
A. is
B. be
C. was
D. has

5. If I ______ you, I would refuse the offer.
A. am
B. were
C. was
D. be

6. The more he complains, ______ he is understood.
A. less
B. the less
C. lesser
D. least

7. He accused the boy ______ lying.
A. for
B. of
C. on
D. with

8. Rarely ______ such dedication among young people.
A. we see
B. do we see
C. we saw
D. saw we

9. I am accustomed to ______ early in the morning.
A. wake
B. waking
C. woke
D. wakes

10. She had hardly finished speaking ______ the audience applauded.
A. when
B. than
C. that
D. as

11. To “hit the nail on the head” means
A. to guess wrongly
B. to be exact
C. to fight
D. to miss the point

12. “To face the music” implies
A. to sing
B. to accept consequences
C. to celebrate
D. to hide

13. “A blessing in disguise” refers to
A. a hidden benefit
B. a clear loss
C. a visible danger
D. a false joy

14. “Break the ice” means
A. start a conversation
B. freeze water
C. stop talking
D. destroy

15. “To sit on the fence” implies
A. to take sides
B. to remain neutral
C. to argue
D. to resign

16. “On cloud nine” refers to
A. anger
B. extreme happiness
C. confusion
D. worry

17. “Throw in the towel” means
A. surrender
B. fight
C. celebrate
D. continue

18. “Burn the midnight oil” means
A. sleep late
B. study or work late
C. cook at night
D. travel late

19. “Cut corners” implies
A. work efficiently without quality
B. cheat or save time inappropriately
C. travel faster
D. finish correctly

20. “Under the weather” means
A. sick
B. rich
C. tired
D. happy

21. The main idea of this passage is:
Sustainable development requires that nations balance economic growth with environmental protection. While industrialization increases wealth, it often leads to pollution and resource depletion. Policymakers must implement strategies to ensure progress and conservation.

A. industrialization only
B. sustainable development
C. pollution
D. wealth accumulation

22. “Depletion” refers to
A. increase
B. reduction
C. pollution
D. investment

23. Future generations may suffer if
A. nations develop too slowly
B. economic policies fail to consider environment
C. resources are abundant
D. industry is monitored

24. What is implied by “balance” in the passage?
A. equality in wealth
B. combination of growth and conservation
C. social justice
D. population control

25. Tone of the passage is
A. sarcastic
B. informative and advisory
C. humorous
D. emotional

26. Choose synonym of “meticulous”
A. careless
B. thorough
C. sloppy
D. weak

27. Opposite of “benevolent”
A. generous
B. kind
C. cruel
D. helpful

28. He prides himself ______ honesty.
A. on
B. at
C. in
D. for

29. The proposal is worthy ______ consideration.
A. of
B. to
C. for
D. with

30. The suspect was let ______ due to lack of evidence.
A. off
B. out
C. down
D. away

31. Many a student ______ failed this examination.
A. have
B. has
C. are
D. were

32. Each of the boys ______ given a prize.
A. was
B. were
C. are
D. be

33. Ten kilometres ______ a long distance to walk.
A. is
B. are
C. were
D. be

34. Mathematics ______ my favourite subject.
A. is
B. are
C. were
D. be

35. The more you read, ______ you understand.
A. the more
B. more
C. most
D. very

36. Choose synonym of “audacious”
A. timid
B. bold
C. weak
D. dull

37. Choose synonym of “lucid”
A. clear
B. dull
C. obscure
D. confusing

38. Choose opposite of “transparent”
A. opaque
B. clear
C. bright
D. visible

39. He was prevented ______ leaving the office.
A. from
B. to
C. on
D. with

40. Rarely ______ such dedication seen in students.
A. is
B. was
C. are
D. were

41. Choose synonym of “fragile”
A. delicate
B. strong
C. heavy
D. tough

42. Choose synonym of “tedious”
A. boring
B. exciting
C. easy
D. fast

43. He objected ______ being treated unfairly.
A. to
B. for
C. on
D. with

44. The lecturer digressed ______ the main topic.
A. from
B. to
C. on
D. at

45. The police searched ______ the suspect.
A. for
B. after
C. on
D. with

46. Choose synonym of “obsolete”
A. outdated
B. modern
C. recent
D. new

47. Choose opposite of “optimistic”
A. pessimistic
B. cheerful
C. hopeful
D. joyful

48. He would sooner resign than ______ insult.
A. accept
B. accepts
C. accepting
D. accepted

49. He is worthy ______ praise.
A. of
B. for
C. at
D. with

50. Meaning of idiom “to keep body and soul together”
A. to survive
B. to celebrate
C. to fight
D. to rest

LEKKI HEADMASTER NOVEL

51. The Lekki Headmaster is portrayed as
A. corrupt
B. visionary and disciplined
C. lazy
D. fearful

52. The headmaster’s main aim was
A. punishing teachers
B. improving academic excellence
C. pleasing politicians
D. reducing student numbers

53. One major theme of the novel is
A. leadership and discipline in schools
B. romance
C. migration
D. war

54. The students’ attitude changed because of his
A. wealth
B. consistent leadership and fairness
C. political power
D. humour

55. Conflict in the story reflects
A. resistance to change
B. poverty
C. jealousy
D. illness

56. The school is compared to a “ship” — this is an example of
A. metaphor
B. simile
C. hyperbole
D. irony

57. The tone of disciplinary scenes is mostly
A. tense and serious
B. comic
C. romantic
D. relaxed

58. The success of the school at the end illustrates
A. leadership and vision bring progress
B. punishment is everything
C. education is useless
D. luck matters most

59. The author uses the headmaster to symbolize
A. corruption
B. transformation through discipline
C. fear
D. poverty

60. One lesson from the novel is
A. consistent leadership fosters progress
B. wealth guarantees respect
C. punishment alone is enough
D. political influence controls schools

CHEMISTRY AND BIOLOGY

61. The number of moles in 44 g of CO₂ is:
A. 0.5
B. 1
C. 2
D. 4

62. Avogadro’s number is:
A. 6.02 × 10²³
B. 9.65 × 10⁴
C. 1.0 × 10²²
D. 3.0 × 10²³

63. Which property increases across a period in the periodic table?
A. Atomic radius
B. Metallic character
C. Electronegativity
D. Shielding effect

64. The hybridization of carbon in methane (CH₄) is:
A. sp
B. sp²
C. sp³
D. dsp²

65. Which gas law states that volume of gas is directly proportional to temperature at constant pressure?
A. Charles’ law
B. Boyle’s law
C. Dalton’s law
D. Graham’s law

66. The pH of a neutral solution at 25°C is:
A. 0
B. 5
C. 7
D. 14

67. Oxidation involves:
A. gain of hydrogen
B. loss of electrons
C. gain of electrons
D. loss of oxygen

68. Which compound is an alkene?
A. C₂H₆
B. C₂H₄
C. C₂H₂
D. CH₄

69. The functional group of alcohol is:
A. –COOH
B. –OH
C. –CHO
D. –NH₂

70. Catalyst works by:
A. increasing activation energy
B. decreasing activation energy
C. stopping reaction
D. increasing temperature

71. A solution containing a weak acid and its salt is called:
A. neutral solution
B. buffer solution
C. saturated solution
D. true solution

72. The oxidation number of nitrogen in NH₃ is:
A. +3
B. –3
C. +5
D. 0

73. The process that converts solid directly to gas is:
A. melting
B. evaporation
C. sublimation
D. condensation

74. Empirical formula of compound with C=40%, H=6.7%, O=53.3% is:
A. CH₂O
B. C₂H₄O₂
C. C₃H₆O₃
D. CHO

75. Faraday constant equals:
A. 96500 C
B. 10500 C
C. 65000 C
D. 120000 C

76. Which is the strongest acid?
A. HCl
B. CH₃COOH
C. H₂CO₃
D. NH₄⁺

77. Rate of reaction increases when:
A. temperature decreases
B. concentration increases
C. surface area decreases
D. catalyst removed

78. Mole fraction is:
A. mass ratio
B. mole ratio
C. volume ratio
D. density ratio

79. Which is a reducing agent?
A. substance that gains electrons
B. substance that loses electrons
C. oxidizing agent
D. catalyst

80. Periodic table is arranged by:
A. atomic mass
B. atomic number
C. neutron number
D. density

81. Electrolysis of water produces:
A. H₂ only
B. O₂ only
C. H₂ and O₂
D. CO₂

82. Which salt undergoes hydrolysis?
A. NaCl
B. NH₄Cl
C. KNO₃
D. Na₂SO₄

83. Transition metals show:
A. fixed oxidation state
B. variable oxidation state
C. no bonding
D. no colour

84. Which compound shows hydrogen bonding?
A. CH₄
B. NH₃
C. CO₂
D. CCl₄

85. Standard temperature is:
A. 0°C
B. 25°C
C. 100°C
D. –273°C

86. Ideal gas obeys gas law at:
A. high pressure
B. low temperature
C. low pressure & high temperature
D. high pressure & low temperature

87. Which is an amphoteric oxide?
A. Na₂O
B. Al₂O₃
C. CO₂
D. SO₂

88. Benzene undergoes mainly:
A. addition
B. substitution
C. polymerization
D. cracking

89. Mass number =
A. proton + electron
B. proton + neutron
C. neutron + electron
D. proton only

90. A mole of gas occupies at STP:
A. 11.2 dm³
B. 22.4 dm³
C. 24 dm³
D. 44.8 dm³

91. Which element is a halogen?
A. Na
B. Cl
C. K
D. Mg

92. Electroplating is used to:
A. prevent corrosion
B. produce gas
C. burn metals
D. increase density

93. Which of the following is an ester?
A. CH₃COOH
B. CH₃COOCH₃
C. CH₃OH
D. CH₄

94. Which of these is a polar molecule?
A. CO₂
B. NH₃
C. CH₄
D. CCl₄

95. Ionic bond is formed by:
A. sharing electrons
B. transfer of electrons
C. hydrogen bonding
D. covalent bonding

96. Which of the following is a strong electrolyte?
A. HCl
B. CH₃COOH
C. C₆H₁₂O₆
D. NH₄OH

97. Which of the following gases is collected by downward displacement of water?
A. Hydrogen
B. Oxygen
C. Chlorine
D. Carbon dioxide

98. Boyle’s law states:
A. P ∝ 1/V at constant T
B. V ∝ T at constant P
C. P ∝ V
D. V ∝ 1/T

99. Which substance is amphoteric?
A. Al(OH)₃
B. NaOH
C. HCl
D. CO₂

100. Which of the following is a covalent compound?
A. NaCl
B. H₂O
C. KBr
D. MgO

101. Which of these is an example of fractional distillation?
A. separation of alcohol from water
B. filtration
C. crystallization
D. decantation

102. Oxidizing agent in a reaction:
A. gains electrons
B. loses electrons
C. remains unchanged
D. releases gas

103. Redox reaction involves:
A. only reduction
B. only oxidation
C. both oxidation and reduction
D. no change

1044. Empirical formula of C₆H₁₂O₆ is:
A. CH₂O
B. C₂H₄O₂
C. C₃H₆O₃
D. CHO

1055. Hydrogen gas can be collected by:
A. upward displacement of air
B. downward displacement of water
C. sublimation
D. evaporation

106. Limiting reagent is:
A. substance in excess
B. substance that controls reaction
C. solvent
D. catalyst

107. Which acid reacts with metals to produce hydrogen gas?
A. H₂SO₄
B. HCl
C. CH₃COOH
D. All of the above

108. Which of the following is an aldehyde?
A. CH₃CHO
B. CH₃CH₂OH
C. CH₃COOH
D. CH₄

109. Which of the following is a saturated hydrocarbon?
A. CH₄
B. C₂H₄
C. C₂H₂
D. C₃H₄

110. Boiling point of water at standard pressure is:
A. 0°C
B. 25°C
C. 100°C
D. 50°C

PHYSICS –

111. A car travels 100 m in 5 s. Its speed is:
A. 5 m/s
B. 10 m/s
C. 20 m/s
D. 25 m/s

112. Acceleration due to gravity on Earth ≈
A. 5 m/s²
B. 9.8 m/s²
C. 15 m/s²
D. 20 m/s²

113. Work done lifting 10 N through 5 m is:
A. 2 J
B. 50 J
C. 15 J
D. 5 J

114. Power developed when 100 J of work is done in 10 s is:
A. 1 W
B. 10 W
C. 100 W
D. 1000 W

115. Momentum is defined as:
A. mass + velocity
B. mass × velocity
C. force × distance
D. energy × time

116. Unit of pressure is:
A. Joule
B. Pascal
C. Newton
D. Watt

117. A convex lens forms a real image when the object is:
A. inside focal length
B. at focus
C. beyond focal length
D. at centre

118. Magnification of a lens is:
A. image height / object height
B. object height / image height
C. focal length / time
D. speed / time

119. Total internal reflection is used in:
A. fibre optics
B. mirrors
C. prism only
D. telescope

120. Electric current is defined as:
A. charge / time
B. time / charge
C. resistance × voltage
D. power / time

121. Ohm’s law states:
A. V ∝ I
B. I ∝ R
C. P ∝ V
D. Q ∝ t

122. Unit of resistance is:
A. Volt
B. Ohm
C. Ampere
D. Tesla

123. Transformer works on:
A. AC
B. DC
C. Battery
D. Solar

124. Frequency unit is:
A. metre
B. second
C. hertz
D. joule

125. Sound cannot travel in:
A. solid
B. liquid
C. gas
D. vacuum

126. Heat transfer in vacuum occurs by:
A. conduction
B. convection
C. radiation
D. diffusion

127. Kinetic energy is given by:
A. ½ mv²
B. mv
C. mgh
D. F × t

128. Potential energy depends on:
A. speed
B. height
C. temperature
D. pressure

129. A concave mirror has focal length 20 cm. Its radius of curvature is:
A. 10 cm
B. 20 cm
C. 40 cm
D. 5 cm

130. Unit of electric charge is:
A. Coulomb
B. Ampere
C. Volt
D. Watt

131. Magnetic field around a long straight current-carrying wire is:
A. circular
B. straight
C. zigzag
D. random

132. Refraction occurs due to change in:
A. speed of light
B. colour
C. mass
D. energy

133. Wave speed is calculated by:
A. frequency × wavelength
B. frequency / wavelength
C. wavelength / frequency
D. amplitude × time

134. Echo occurs due to:
A. refraction
B. reflection
C. diffraction
D. interference

135. Escape velocity from Earth ≈
A. 5 km/s
B. 11.2 km/s
C. 20 km/s
D. 2 km/s

136. A body moving with uniform acceleration covers 20 m in 2nd second. Its acceleration is:
A. 5 m/s²
B. 10 m/s²
C. 15 m/s²
D. 20 m/s²

137. Work done is zero when force is:
A. perpendicular to displacement
B. along displacement
C. opposite displacement
D. at angle 45° to displacement

138. Specific heat capacity of a substance is:
A. energy required to raise 1 kg by 1 K
B. energy required to melt 1 kg
C. energy required to vaporize 1 kg
D. energy required to change 1 mole

139. The formula for pressure is:
A. force / area
B. mass × acceleration
C. density × volume
D. weight × distance

140. The centre of mass of a uniform rod is:
A. at one end
B. at quarter length
C. at midpoint
D. at 1/3 length

141. Snell’s law relates:
A. angles of incidence and refraction
B. angles of reflection
C. focal length and radius
D. velocity and acceleration

142. Heat transfer by conduction requires:
A. medium
B. vacuum
C. both
D. none

143. The rate of doing work is:
A. force × distance
B. work / time
C. mass × acceleration
D. energy / speed

144. For two resistors in series, total resistance is:
A. sum of individual resistances
B. product / sum
C. same as one resistor
D. difference of resistances

145. Two resistors in parallel, total resistance is:
A. sum
B. product / sum
C. equal to each
D. zero

146. Heat capacity depends on:
A. mass and material
B. only mass
C. only temperature
D. volume only

147. A current of 2 A flows through 6 Ω resistor. Voltage across it is:
A. 3 V
B. 6 V
C. 12 V
D. 8 V

148. Frequency of a wave with speed 340 m/s and wavelength 2 m is:
A. 170 Hz
B. 340 Hz
C. 680 Hz
D. 6800 Hz

149. Two identical springs in parallel are stretched by same force. Extension compared to single spring is:
A. same
B. half
C. double
D. quarter

150. A projectile is fired horizontally from 20 m high. Time to hit ground is (g=10 m/s²):
A. 1 s
B. 2 s
C. 4 s
D. 0.5 s

151. Velocity ratio of an ideal machine is:
A. load / effort
B. effort / load
C. input distance / output distance
D. output distance / input distance

152. Work done lifting mass m vertically h height is:
A. mgh
B. ½ mgh
C. mgh/2
D. mg

153. Power of a machine lifting 200 N 5 m in 10 s is:
A. 50 W
B. 100 W
C. 200 W
D. 400 W

154. A body of mass 2 kg moving at 10 m/s has momentum:
A. 5 kg·m/s
B. 10 kg·m/s
C. 20 kg·m/s
D. 40 kg·m/s

155. The formula for kinetic energy is:
A. ½ mv²
B. mgh
C. mv
D. F × t

156. The gravitational potential energy at height h is:
A. mgh
B. ½ mv²
C. mg
D. mv

157. Which of these is a vector quantity?
A. speed
B. distance
C. displacement
D. time

158. Which of these is a scalar quantity?
A. velocity
B. acceleration
C. momentum
D. speed

159. The acceleration of free fall of a body near Earth depends on:
A. mass of body
B. height only
C. gravity only
D. shape

160. Two waves of same frequency and amplitude travel in same direction. Interference can produce:
A. constructive and destructive
B. only constructive
C. only destructive
D. no effect?

In Chemistry
3 Answers Available
Asked by Oyinkansola on 3rd April, 2026