RRB Group D 2025 Question Paper (3-Aug-2026) (Shift 3)

Question 1

To increase the width or girth of a tree trunk, cells must divide around the stem in a ring-like manner. Which tissue performs this function?

Accepted Answer

Lateral meristem

Answer

Apical meristem

Answer

Intercalary meristem

Answer

Sclerenchyma

Question 2

Which of the following statements about neutrons is correct?

Accepted Answer

Neutrons have no charge and are found in the nucleus of an atom

Answer

Neutrons are positively charged particles found in the nucleus

Answer

Neutrons are negatively charged and found in the outermost shell

Answer

Neutrons revolve around the nucleus like electrons

Question 3

Why is baking soda preferred over sodium carbonate in fire extinguishers?

Accepted Answer

It releases carbon dioxide easily with acid

Answer

It reacts violently producing heat

Answer

It produces hydrogen gas rapidly

Answer

It forms insoluble residue

Question 4

Which material would be the best choice for electrical transmission lines?

Accepted Answer

Aluminium

Answer

Glass

Answer

Tungsten

Answer

Rubber

Question 5

A pencil appears bent when partially submerged in water. Which scenario best explains how understanding refraction can help design better aquarium displays?

Accepted Answer

Positioning lighting to account for refraction can make fish appear in their true locations to viewers

Answer

Changing water temperature to reduce light bending

Answer

Using colored backgrounds to make objects stand out

Answer

Using mirrors to enhance the brightness of the aquarium

RRB Group D 2025 Question Paper (3-Aug-2026) (Shift 3)

RRB Group D Mock Test Series 2026 (Latest Pattern)

RRB Group D Mock Test Series

General Intelligence and Reasoning Mock Test for Railways Exams