RRB Group D 2025 Question Paper (11-Aug-2026) (Shift 1)

Question 1

If a student wants to observe cells that are actively dividing to increase the length of a plant stem or root, which specific tissue should they examine under the microscope?

Accepted Answer

Apical meristem

Answer

Lateral meristem

Answer

Permanent tissue

Answer

Intercalary meristem

Question 2

According to Rutherford’s model, positive charge is:

Accepted Answer

Concentrated at the centre

Answer

Present with electrons

Answer

Found in outer shells

Answer

Spread uniformly in the atom

Question 3

Which of the following hydrocarbons will undergo an addition reaction most readily?

Accepted Answer

Ethene

Answer

Ethane

Answer

Methane

Answer

Propane

Question 4

Refer to the two statements given below and choose the CORRECT option. Statement A: A decomposition reaction occurs when a single compound breaks down into two or more simpler substances. Statement B: Decomposition reactions always require the presence of oxygen.

Accepted Answer

Statement A is correct but B is incorrect.

Answer

Both statements A and B are incorrect.

Answer

Both statements A and B are correct.

Answer

Statement A is incorrect but B is correct.

Question 5

What is the primary function of stomata in plant leaves during photosynthesis?

Accepted Answer

Allow gaseous exchange

Answer

Prevent entry of CO 2

Answer

Absorption of Oxygen

Answer

Maintain constant leaf temperature

RRB Group D 2025 Question Paper (11-Aug-2026) (Shift 1)

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