RRB Group D 2024 Question Paper PDF (21-Dec-2025) (Shift 1)

Question 1

An object moves along a straight path for 5 s. Its initial velocity is 10 m s-1 and its final velocity is -2 m s-1. What is the magnitude of the average velocity?

Accepted Answer

4 m/s

Answer

5 m/s

Answer

6 m/s

Answer

8 m/s

Question 2

Which of the following is NOT the correct use of a concave mirror?

Accepted Answer

It is used as a rear view mirror in automobiles.

Answer

It is used as a shaving mirror.

Answer

It is used in torches.

Answer

It is used in a solar furnace.

Question 3

Which of the following causes a change in the state of matter?

Accepted Answer

Changing temperature or pressure

Answer

Cutting the substance

Answer

Mixing it with another substance

Answer

Dissolving the substance

Question 4

What is the primary mechanism through which sexual reproduction generates genetic diversity in the offspring?

Accepted Answer

Random distribution of maternal or paternal chromosomes from each chromosome pair to the gametes

Answer

Frequent cell divisions during gamete formation

Answer

Variation in chromosome number among the gametes

Answer

Inaccuracies in DNA copying during gamete formation in maternal and paternal parents

Question 5

If the speed of an object changes with time, the distance–time graph will be:

Accepted Answer

A curved line

Answer

A straight line parallel to the time axis

Answer

A horizontal straight line

Answer

A straight line inclined to the time axis

RRB Group D 2024 Question Paper PDF (21-Dec-2025) (Shift 1)

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