JAMB Exam 2025: JAMB Day 1 Questions and Answers 2025

Jamb 2025 Exam commenced on the 24th April 2025, In this article, we will provide an overview of the Jamb Exam Day 1 questions and answers, highlighting some of the key topics that candidates can expect to encounter. We hope that this information will be useful to candidates as they prepare for one of the most important exams of their academic career

JAMB Day 1 Questions and Answers: Please note, this isn’t an expo. The content in this article includes questions shared by some candidates who sat for their UTME on the first day. You can simply go through them, identify the topics, and study those areas further.

JAMB Day 1 ENGLISH LANGUAGE Questions and Answers

1) Choose the option that best conveys the meaning of the underlined portion in the following sentence;
In the match against the uplanders team, the submariners turned out to be the /dark horse/

A. played most brilliantly
B. played below their usual form
C. won unexpectedly
D. lost as expected
E. won as expected

2) Choose the option that best conveys the meaning of the underlined portion in the following sentence:
Only the /small fry/ gets punished for such social misdemeanours.

A. small boys
B. unimportant people
C. frightened people
D. frivolous people
E. inexperienced people

3) Choose the option that best conveys the meaning of the underlined portion in the following sentence;
He spoke with his /heart in his mouth/

A. courageously
B. with such unusual cowardice
C. with a lot of confusion in his speech
D. without being able to make up his mind
E. with fright and agitation

4) Choose the option that best conveys the meaning of the underlined portion in the following sentence;
The /leader/ in today’s issue of our popular newspaper focuses on inflation

A. president
B. headline
C. editorial
D. columnist
E. proprietor

5) Choose the option that best conveys the meaning of the underlined portion in the following sentence;
From the ways my friend talks, you can see he is such /a bore/

A. rude
B. brilliant
C. uninteresting
D. overbearing
E. humorous

6) Choose the option that best conveys the meaning of the underlined portion in the following sentence;
His jail terms were to run /concurrently/

A. simultaneously
B. uniformly
C. laboriously
D. consecutively
E. judiciously

7) Choose the option that best conveys the meaning of the underlined portion in the following sentence;
There is some obvious /symmetry/ in the whole presentation

A. confusion
B. hesitation
C. excitement
D. orderliness
E. dissatisfaction

JAMB Physics Day 1 Questions and Answers

1. What is the primary purpose of the depletion region in a p-n junction diode?
A) To increase the diode’s current-carrying capacity
B) To reduce the diode’s reverse saturation current
C) To create a potential barrier for majority charge carriers
D) To enhance the diode’s switching speed
Answer: C

2. Which of the following quantities is a scalar?
A) Velocity
B) Acceleration
C) Displacement
D) Temperature
“Answer: D

3. What is the implication of the Heisenberg Uncertainty Principle for a particle’s position and momentum?

A) Both position and momentum can be precisely known simultaneously.
B) The more precisely you know a particle’s position, the less precisely you can know its momentum.
C) The more precisely you know a particle’s momentum, the more precisely you can know its position.
D) Position and momentum are completely unrelated.
Answer: B

4. What is the phenomenon where a particle passes through a potential energy barrier even if it doesn’t have enough energy to classically overcome the barrier?
A) Tunneling
B) Reflection
C) Refraction
D) Diffraction
Answer: A

5. A particle of mass m is attached to a massless spring with spring constant k. The particle is displaced by a distance A from its equilibrium position and then released from rest. What is the speed of the particle when it is at a distance A/2 from its equilibrium position?
A) √(3kA^2/4m)
B) √(kA^2/2m)
C) √(3kA^2/m)
D) √(kA^2/4m)

Answer: A

6. What is force?
A) Joule
B) Newton
C) Pascal
D) Watt
“Answer: B

7. Pressure is defined as:
A) Force per unit area
B) Mass per unit volume
C) Energy per unit time
D) Work done per unit distance
Answer: A

8. A 2 kg block is attached to a spring with a spring constant of 100 N/m. If the block is displaced by 0.2 m from its equilibrium position, what is the magnitude of the restoring force exerted by the spring?
A) 10 N
B) 20 N
C) 40 N
D) 50 N
Answer: B

9. A car accelerates from rest to 20 m/s in What is its acceleration?
A) 2
B) 4 m/s²
C)5 m/s?
D) 10 m/s²:
Answer: B

10. A physical pendulum consists of a uniform rod of length L and mass M. What is the period of small oscillations of the pendulum?
A) 2π √(L/3g)
B) 2π √(2L/3g)
C) 2π √(L/g)
D) 2π √(3L/2g)
Answer: B

11. A 10 μF capacitor is charged to 100 V and then discharged through a 1000 Ω resistor. What is the time constant of the circuit?

A) 0.01 s
B) 0.1 s
C) 1 s
D) 10 s
Answer: A

12. A body is said to be in motion if it:
A) Is at rest
B) Changes position with time
C) Remains in the same position
D) Has constant velocity
Answer: B

13. The law of conservation of energy states that:
A) Energy can be created and destroyed
B) The total energy in an isolated system remains constant
C) Energy changes from one form to another
D) All of the above
Answer:B

14. What is the value of acceleration the surface of the Earth?
A) 9.8 m/s?
B) 10 m/s
c) 9.81 m/s
D) 8.9 m/s
Answer: C

15. Which of the following statements about waves is true?
A) Waves cannot transfer energy
B) Waves require a medium to travel C) All waves are transverse
D) Waves can be seen when they pass through
Answer: B

16. What is the primary function of a fuse in an electric circuit?
A) To increase voltage
B) To decrease resistance
C) To protect against overcurrent
D) To filter out AC
Answer: C

17. A 10 kg block is lifted vertically upwards by 2 m. What is the work done? (g = 10 m/s^2)
A) 100 J
B) 200 J
C) 196 J
D) 400 J
Answer: B

18. What is the principle behind the operation of a transformer?
A) Electromagnetic induction
B) Electromagnetic radiation
C) Electrostatic induction
D) Magnetic resonance
Answer: A

19. A car travels 200 km in 4 hours. What is its average speed?
A) 25 km/h
B) 50 km/h
C) 75 km/h
D) 100 km/h
Answer: B

20. What is the term for the opposition to the flow of electric current?
A) Resistance
B) Conductance
C) Inductance
D) Capacitance
Answer: A

21. A 5 kg block is moving with a velocity of 4 m/s. What is its kinetic energy?
A) 20 J
B) 40 J
C) 80 J
D) 100 J
Answer: B

22. What is the phenomenon where a wave changes direction as it passes from one medium to another?
A) Reflection
B) Refraction
C) Diffraction
D) Interference
Answer: B

23. A 1000 kg car accelerates from rest to 20 m/s in 10 s. What is its average power?
A) 1000 W
B) 2000 W
C) 4000 W
D) 8000 W
Answer: B

24. What is the term for the energy stored in a stretched or compressed spring?
A) Kinetic energy
B) Potential energy
C) Thermal energy
D) Electrical energy
Answer: B

25. A wave has a frequency of 50 Hz and a wavelength of 2 m. What is its speed?
A) 25 m/s
B) 50 m/s
C) 100 m/s
D) 200 m/s
Answer: C

26. What is the principle behind the operation of a generator?
A) Electromagnetic induction
B) Electromagnetic radiation
C) Electrostatic induction
D) Magnetic resonance
Answer: A

27. A 2 μF capacitor is charged to 100 V. What is the energy stored?
A) 0.01 J
B) 0.1 J
C) 1 J
D) 10 J
Answer: A

28. What is the term for the force that opposes motion between two surfaces in contact?
A) Friction
B) Gravity
C) Normal force
D) Tension
Answer: A

29. A particle moves with an initial velocity of 5 m/s and accelerates at 2 m/s^2 for 3 s. What is its final velocity?
A) 10 m/s
B) 11 m/s
C) 12 m/s
D) 15 m/s
Answer: B

30. What is the term for the ability of a material to return to its original shape after deformation?
A) Elasticity
B) Plasticity
C) Viscosity
D) Brittleness
Answer: A

31. A 10 Ω resistor carries a current of 2 A. What is the power dissipated?
A) 20 W
B) 40 W
C) 60 W
D) 80 W
Answer: B

32. What is the term for the minimum energy required to remove an electron from a material?
A) Work function
B) Ionization energy
C) Electron affinity
D) Binding energy
Answer: A

33. A block of mass 2 kg is attached to a spring with spring constant 100 N/m. What is its angular frequency?
A) 5 rad/s
B) 7 rad/s
C) 10 rad/s
D) 14 rad/s
Answer: B

34. What is the term for the spreading of waves around obstacles or through small openings?
A) Reflection
B) Refraction
C) Diffraction
D) Interference
Answer: C

35. A 5 A current flows through a 10 Ω resistor. What is the power dissipated?
A) 100 W
B) 250 W
C) 500 W
D) 1000 W
Answer: B

36. An object is in free fall when:
A) It is thrown upward
B) It is at rest
C) The only force acting on it is gravity
D) It moves down
Answer: C

37. What phenomenon explains why we see different colors in a rainbow?
A) Reflection
B) Refraction
C) Diffraction
D) Dispersion
Answer:D

38. *What is the kinetic energy of an object with a mass of 10 kg moving at a velocity of 5 m/s?
A) 25 Joules
B) 50 Joules
C) 100 Joules
D) 75 Joules
Answer: D

39. What is the formula for calculating gravitational potential energy?
A) PE = m
C) PE = Fd
B) PE = 1/2mv^2
D) PE = mv
Answer: A

40. The unit of electric charge is:
A) Volt
B) Coulomb
C) Ampere
D) Ohm
Answer: B

42. In simple harmonic motion, the acceleration of the object is:
A) Directly proportional to its displacement
B) Inversely
C) Constant
Answer:A

44. The phenomenon by which sound waves bend around obstacles is called:
A) Refraction
B) Reflection
C) Diffraction
D) Interference

46. What is the main source of energy for the Earth?
A) Electrical Energy
B) Solar energy
C) Wind energy
D) Nuclear energy
Answer: B

47. the process of converting a gas to solid is known as:**
A) Melting
B) Deposition
C) Freezing
D) Condensation
Answer:B

50. In a vacuum, all electromagnetic waves travel at:
A) Different speeds
B) Light speed
c) Sound speed
D) Varying speeds depending on wavelength
Answer: B

51. What type of lens is used to correct hyperopia (farsightedness)?
A) Concave lens
B) Convex lens
C) Plane lens
D) Cylindrical lens
Answer: B

Recommended: JAMB Result 2025 is out, See How to Check Online

JAMB Biology Day 1 questions and Answers

1. What is the basic unit of life?
A) Cell
B) Tissue
C) Organ
D) System
Answer: A) Cell

2. Which organelle is responsible for photosynthesis?
A) Mitochondria
B) Chloroplast
C) Nucleus
D) Lysosome
Answer: B) Chloroplast

3. What is the process by which cells become specialized?
A) Mitosis
B) Meiosis
C) Differentiation
D) Osmosis
Answer: C) Differentiation

4. Which organelle is responsible for cellular respiration?
A) Mitochondria
B) Chloroplast
C) Nucleus
D) Lysosome
Answer: A) Mitochondria

5. What is the function of the cell membrane?
A) To control cell growth
B) To regulate what enters and leaves the cell
c) To synthesize proteins
D) To store genetic information
Answer: B) To regulate what enters and leaves the cell
6. Which organelle is responsible for protein synthesis?
A) Ribosome
B) Lysosome
C) Golgi apparatus
D) Mitochondria
“Answer*: A) Ribosome
7. What is the process by which cells divide to produce new cells?
A) Mitosis
B) Meiosis
C) Photosynthesis
D) Respiration
*Answer*: A) Mitosis

8. Which organelle is responsible for storing genetic information?
A) Nucleus
B) Mitochondria
c) Chloroplast
D) Lysosome
“Answer: A) Nucleus

9. What is the function of lysosomes?
A) To synthesize proteins
B) To store genetic information
C) To digest and recycle cellular waste
D) To regulate cell growth
“Answer; C) To digest and recycle cellular waste

10. Which organelle is responsible for modifying and packaging proteins?
A) Golgi apparatus
B) Lysosome
c) Mitochondria
D) Ribosome
‘Answer: A) Golgi apparatus

11. What is the study of heredity and variation?
A) Genetics
B) Ecology
C) Evolution
D) Botany
*Answer*: A) Genetics
12. Which of the following is an example of a dominant trait?
A) Tallness in pea plants
C) Red color in flowers
D) White color in flowers
“Answer*: A) Tallness in pea plants

13. What is the term for the physical appearance of a trait?
A) Genotype
B) Phenotype
C) Dominant
D) Recessive
Answer: B) Phenotype

14. Which of the following is an example of a genetic disorder?
A) Diabetes
B) Hypertension
C) Sickle cell anemia
D) Asthma
Answer: C) Sickle cell anemia

15. What is the process by which genetic information is passed from one generation
to the next?
A) Mutation
B) Genetic drift
C) Gene flow
D) Heredity
Answer: D) Heredity

16. Which of the following is a type of genetic variation?
A) Mutation
B) Genetic drift
C) Gene flow
D) All of the above
Answer: D) All of the above

17. What is the term for the genetic makeup of an organism?
A) Genotype
B) Phenotype
C) Dominant
D) Recessive
Answer: A) Genotype

18. Which of the following is an example of a recessive trait?
A) Tallness in pea plants
B) Shortness in pea plants
C) Red color in flowers
D) White color in flowers
Answer: B) Shortness in pea plants
19. What is the process by which genetic information is used to synthesize proteins?
A) Transcription
B) Translation
C) Mutation
D) Genetic drift
Answer: B) Translation
20. Which of the following is a type of genetic testing?
A) Prenatal testing
B) Newborn screening
C) Genetic counseling
D) All of the above
“Answer: D) All of the above

21. What is the study of the interactions between organisms and their environment?
A) Ecology
B) Evolution
C) Genetics
D) Botany
Answer: A) Ecology

22. Which of the following is an example of a symbiotic relationship?
A) Predator-prey relationship
B) Commensalism
C) Mutualism
D) Parasitism
Answer: C) Mutualism

23. What is the term for the maximum number of organisms that an environmentcan support?
A) Carrying capacity
B) Population density
C) Ecosystem
D) Habitat
Answer: A) Carrying capacity

JAMB Lekki Headmaster Day 1 Questions

JAMB 2025 Government Questions Day 1

Thanks for reading.