RRB Group D 2025 Question Paper (5-Aug-2026) (Shift 3)

Question 1

Which of the following statement(s) is/are true?Statement I: The symbol 'Ag' stands for gold.Statement II: The symbol 'Pb' represents lead.

Accepted Answer

Statement I is incorrect, Statement II is correct

Answer

Both statements are correct

Answer

Both statements are incorrect

Answer

Statement I is correct, Statement II is incorrect

Question 2

After severe trauma, a bird develops difficulty in body support and movement. Which vertebrate system is primarily affected?

Accepted Answer

Internal skeletal framework

Answer

Simple digestive sac

Answer

External gill arches

Answer

Basic muscle bands

Question 3

Which energy source is essential to initiate most decomposition reactions successfully?

Accepted Answer

Heat, light or electrical energy

Answer

Atmospheric pressure alone

Answer

Presence of catalyst only

Answer

Mechanical stirring force

Question 4

Why are non biodegradable substances harmful to the environment?

Accepted Answer

They persist for a long time and may harm organisms

Answer

They enrich the soil

Answer

They increase the oxygen level in air

Answer

They decompose very quickly

Question 5

Which of the following is commonly used as an olfactory indicator?

Accepted Answer

Vanilla essence

Answer

Litmus

Answer

Methyl orange

Answer

Phenolphthalein