RRB · General Science
24/12/2025 (4:30 PM - 6:00 PM) — General Science
2025
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11 questions
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Q1
mcq
When a raised hammer falls on a nail and drives it into wood, the work done by the force of the hammer on the nail is positive. In this same scenario, which statement would describe negative work?
a.
The work done by the force of gravity acting on the nail as it moves into the wood.
b.
The work done by the force exerted by the nail on the hammer.
Correct Answer
c.
The work done by the potential energy stored in the hammer.
d.
The work done by the force of gravity acting on the hammer as it falls.
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Q2
mcq
Which device relies on the heating effect of current to protect circuits and appliances by intentionally melting to break the circuit when the current exceeds a specified limit?
a.
Electric iron coil
b.
Electric bulb filament
c.
Rheostat
d.
Electric fuse
Correct Answer
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Q3
mcq
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Q4
mcq
Spring balance A is attached at one end to spring balance B, whose other end is fixed to a rigid support. A force is applied to the free end of spring balance A. Both balances show the same reading. What does this observation indicate?
a.
Both balances exert forces in the same direction.
b.
The force exerted by A on B is equal and opposite to the force exerted by B on A.
Correct Answer
c.
Only spring balance A exerts force on B.
d.
The force exerted by A on B is greater than that by B on A.
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Q5
mcq
Which of the following statements correctly describes plastids in plant cells?
a.
They are present only in animal cells and absent in plant cells
b.
They are found in prokaryotic cells like bacteria for photosynthesis
c.
They are present in both plant and animal cells in equal amount
d.
They are present only in plant cells and absent in animal cells Test Date 24/12/2025 Test Time 4:30 PM - 6:00 PM Subject RRB Level 01 Stage I * Note Correct Answer will carry 1 mark per Question. Incorrect Answer will carry 1/3 Negative mark per Question. 1. Options shown in green color with a tick icon are correct. 2. Chosen option on the right of the question indicates the option selected by the candidate.
Correct Answer
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Q22
mcq
What is the primary goal of reducing non-biodegradable waste production?
a.
To make more space available in landfills
b.
To conserve natural resources and minimise pollution
Correct Answer
c.
To recycle the waste
d.
To promote industrial growth
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Q23
mcq
A chemical reaction in which two or more substances combine to form a single product is called:
a.
combination reaction
Correct Answer
b.
displacement reaction
c.
double displacement reaction
d.
decomposition reaction
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Q24
mcq
The combining capacity of an element to each other primarily depends on which of the following?
a.
Number of protons
b.
Number of valence electrons
Correct Answer
c.
Number of energy level
d.
Number of neutrons
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Q25
mcq
When an object is placed at infinity in front of a convex lens, the image formed is:
a.
7
Correct Answer
b.
6
c.
8
d.
5
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Q27
mcq
Two trains are running on parallel tracks towards each other. Train A is 250 meters long and is moving at a speed of 90 km/h. Train B is 150 meters long and is moving at a speed of 60 km/h. How much time (rounded off to the nearest seconds) will it take for Train A to completely pass Train B?
a.
15 seconds
b.
10 seconds
Correct Answer
c.
12 seconds
d.
20 seconds
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Q28
mcq
The sum of two numbers is 50 and their LCM is 429. The two numbers are: 2607
a.
11, 39
b.
4, 46
c.
16, 34
d.
9, 41
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