RRB Group D 2025 Question Paper (4-Aug-2026) (Shift 3)

Question 1

Which of the following is the purest form of iron?

Accepted Answer

Wrought iron

Answer

Hard steel

Answer

Limonite

Answer

Stainless steel

Question 2

Which of the following is used as a preservative in pickles?

Accepted Answer

5-8% solution of acetic acid in water

Answer

5-8% solution of ethanol in water

Answer

5-8% solution of acetic anhydride in water

Answer

5-8% solution of cinnamic in water

Question 3

Complete the analogy. Xylem : Water Transport :: Phloem : ______.

Accepted Answer

Food Transport

Answer

Mechanical Strength

Answer

Gas Exchange

Answer

Protection from Microbes

Question 4

According to the work-energy theorem, if the net work done on an object is zero, then its kinetic energy ________.

Accepted Answer

Remains unchanged

Answer

Decreases continuously

Answer

Becomes zero

Answer

Increases continuously

Question 5

In a habitat recently affected by drought, which feature would most likely allow gymnosperms to persist when other plants fail?

Accepted Answer

Needle-like leaves prevent water loss

Answer

Fruits improve seed dispersal in water

Answer

Flowers attract diverse pollinators

Answer

Aquatic fertilisation ensures survival