Q1 RRB JE CBT-1, 18 Dec 2024, Shift 3 (4:30 PM) Who was the scientist credited with the discovery of electromagnetic induction?
A Michael Faraday B Nikola Tesla C Isaac Newton D Thomas Edison Show answer Hide answer Correct answer: (A) Michael Faraday
Q2 RRB JE CBT-1, 16 Dec 2024, Shift 1 (9:00 AM) In a certain code language,
‘house fire gas’ is coded as ‘dy ph mt’,
‘pressure gas station’ is coded as ‘lp ph st’,
‘station house farm’ is coded as ‘st bq dy’.
What is the code for 'gas' in that language? (Note: All the codes are two-letter coded only.)
A st B lp C mt D ph Show answer Hide answer Q3 RRB JE CBT-1, 25 Feb 2026, Shift 3 (4:30 PM) Which of the following situations is NOT an example of action and reaction forces?
A A swimmer pushing water backwards B A bat hitting a cricket ball C A ball thrown upward comes back down due to the pull of gravity. D A rocket launching upwards Show answer Hide answer Correct answer: (C) A ball thrown upward comes back down due to the pull of gravity.
Q4 RRB JE CBT-1, 25 Feb 2026, Shift 3 (4:30 PM) Which waste based difference between the renal artery and renal vein is directly related
to excretory function?
A The renal vein has higher pressure B The renal artery has more valves C The renal artery contains more urea D The renal vein contains more oxygen Show answer Hide answer Correct answer: (C) The renal artery contains more urea
Q5 RRB JE CBT-1, 25 Feb 2026, Shift 3 (4:30 PM) Which of the following is usually 'stored under high pressure'?
A N2 B H2 C Solid CO2 D NaCl Show answer Hide answer Q6 RRB JE CBT-1, 25 Feb 2026, Shift 3 (4:30 PM) The Five Ps of Sustainable Development are:
A Poverty, Peace, Protection, Plant, Product B Population, Peace, Production, Power, Partnership C People, Peace, Power, Planet, Partnership D People, Peace, Prosperity, Planet, Partnership Show answer Hide answer Correct answer: (D) People, Peace, Prosperity, Planet, Partnership
Q7 RRB JE CBT-1, 20 Feb 2026, Shift 3 (4:30 PM) A passenger in a moving car feels a jerk backward when the car suddenly starts. How
does the first law of motion explain this experience?
A The passenger tends to remain at rest while the car moves forward, showing inertia. B Friction from the seat creates the backward jerk. C The passenger is pushed backward by the air inside the car. D The seat pushes the passenger forward, causing the sensation. Show answer Hide answer Correct answer: (A) The passenger tends to remain at rest while the car moves forward, showing inertia.
Q8 RRB JE CBT-1, 20 Feb 2026, Shift 3 (4:30 PM) What happens to the potential energy of an object if its mass is halved while its height
above the ground remains constant?
A The potential energy becomes zero B The potential energy is doubled C The potential energy remains unchanged D The potential energy is halved Show answer Hide answer Correct answer: (D) The potential energy is halved
Q9 RRB JE CBT-1, 20 Feb 2026, Shift 2 (12:45 PM) Why do gases exert pressure on the walls of the container?
A Gas particles attract the container walls strongly B Gas particles move randomly and strike the walls C Gas particles stay fixed inside the container D Gas particles possess very low kinetic energy Show answer Hide answer Correct answer: (B) Gas particles move randomly and strike the walls
Q10 RRB JE CBT-1, 20 Feb 2026, Shift 2 (12:45 PM) An object is placed on a shelf 2 m above the ground. If the shelf is raised to 4 m, what
happens to the potential energy of the object?
A The potential energy doubles B The potential energy remains the same C The potential energy halves D The potential energy triples Show answer Hide answer Correct answer: (A) The potential energy doubles
Q11 RRB JE CBT-1, 20 Feb 2026, Shift 1 (9:00 AM) What happens to the work done if the displacement becomes zero despite a force being
applied?
A The work done decreases. B The work done increases. C The work done is zero. D The work done remains constant. Show answer Hide answer Correct answer: (C) The work done is zero.
Q12 RRB JE CBT-1, 19 Feb 2026, Shift 3 (4:30 PM) A ball is placed at the edge of a table and left undisturbed. Which form of energy does
the ball primarily possess due to its position, and what can happen if it is pushed off
the table?
A The ball possesses chemical energy and will release it when it falls. B The ball possesses elastic potential energy due to its shape. C The ball possesses potential energy and will convert it to kinetic energy as it falls. D The ball possesses kinetic energy and will remain at rest unless a force acts on it. Show answer Hide answer Correct answer: (C) The ball possesses potential energy and will convert it to kinetic energy as it falls.
Q13 RRB JE CBT-1, 19 Feb 2026, Shift 3 (4:30 PM) Why are terrestrial food chains usually limited to 4–5 trophic levels?
A Plants produce less oxygen B Energy available decreases at higher trophic levels C Decomposers recycle all energy D Top predators eat less Show answer Hide answer Correct answer: (B) Energy available decreases at higher trophic levels
Q14 RRB JE CBT-1, 19 Feb 2026, Shift 3 (4:30 PM) Why do muscle cells sometimes respire anaerobically during heavy exercise?
A Because the supply of oxygen is limited B Because lactic acid is required C Because the body wants to store energy D Because glucose is unavailable Show answer Hide answer Correct answer: (A) Because the supply of oxygen is limited
Q15 RRB JE CBT-1, 19 Feb 2026, Shift 2 (12:45 PM) Which of the following was NOT a major recommendation of the Kelkar Task Force
(2002) on direct taxes?
A Extension of PAN to cover all economic agents/citizens B Reduction in corporate tax rate to 40 percent for domestic companies C Elimination of the standard deduction for salaried taxpayers D Elimination of the minimum alternate tax on corporate entities Show answer Hide answer Correct answer: (B) Reduction in corporate tax rate to 40 percent for domestic companies
Q16 RRB JE CBT-1, 19 Feb 2026, Shift 2 (12:45 PM) In May 2025, DRDO’s DMSRDE laboratory in _________ created an advanced polymeric
membrane designed for high-pressure desalination of seawater.
A Pune B Hyderabad C Kanpur D Jaipur Show answer Hide answer Correct answer: (C) Kanpur
Q17 RRB JE CBT-1, 19 Feb 2026, Shift 1 (9:00 AM) When a man pushes a wall but the wall does not move, what is the work done by the
man on the wall?
A Zero work is done as there is no displacement of the wall. B Negative work is done as the wall resists the push. C Positive work is done as force is applied. D Maximum work is done as the man uses full effort. Show answer Hide answer Correct answer: (A) Zero work is done as there is no displacement of the wall.
Q18 RRB JE CBT-1, 19 Feb 2026, Shift 1 (9:00 AM) Systolic pressure is measured when the heart __________.
A Stops beating B Fills with blood C Relaxes D Contracts Show answer Hide answer Correct answer: (D) Contracts
Q19 RRB JE CBT-1, 19 Feb 2026, Shift 1 (9:00 AM) Which structural feature primarily enables upward movement of water against gravity in
plants?
A Large intercellular spaces in spongy mesophyll B Lignified xylem vessels forming continuous columns C Actively dividing meristematic tissues D Thin-walled sieve tubes with companion cells Show answer Hide answer Correct answer: (B) Lignified xylem vessels forming continuous columns
Q20 RRB JE CBT-1, 19 Feb 2026, Shift 1 (9:00 AM) When a gun is fired, it recoils backward as the bullet moves forward. How does this
demonstrate Newton’s third law of motion?
A The bullet moves forward only because the gun has stored energy. B The gun moves backward because it is heavier than the bullet. C The gun recoils because the bullet moves faster than the gun. D The gun pushes the bullet forward, and the bullet pushes the gun backward with an equal and opposite force. Show answer Hide answer Correct answer: (D) The gun pushes the bullet forward, and the bullet pushes the gun backward with an equal and opposite force.
Q21 RRB JE CBT-1, 19 Feb 2026, Shift 1 (9:00 AM) Ribosomes are attached to the surface of the rough endoplasmic reticulum. What is the
primary function of the rough endoplasmic reticulum?
A Energy production and cellular respiration B DNA replication and transcription C Lipid synthesis D Protein synthesis and transport Show answer Hide answer Correct answer: (D) Protein synthesis and transport