RRB Group D 2025 Question Paper (19-Aug-2026) (Shift 1)

Question 1

If a copper wire and an iron wire of the same length and area are compared, which is the one with higher resistance?

Accepted Answer

Iron wire

Answer

Copper wire

Answer

Both equal

Answer

Cannot be determined

Question 2

After a severe injury, a patient's blood pressure decreases and they start to develop extensive bruising. Which dual failure in physiological systems best explains these clinical observations?

Accepted Answer

Reduced platelet function and impaired lymphatic drainage

Answer

Decreased oxygen transport and increased tissue fluid

Answer

Enhanced lymph flow and increased platelet aggregation

Answer

Reduced plasma protein synthesis and increased red blood cell count

Question 3

Which equation correctly represents the reaction between calcium and cold water?

Accepted Answer

Ca + 2H₂O → Ca(OH)₂ + H₂

Answer

Ca + H₂O → CaOH₂ + H₂

Answer

2Ca + H₂O → 2CaOH + H₂

Answer

Ca + H₂O → CaH₂ + O₂

Question 4

Which organ directly filters nitrogenous waste from human blood?

Accepted Answer

Kidneys

Answer

Lungs

Answer

Heart

Answer

Liver

Question 5

If a car and a truck are pushed with the same force, which will accelerate more according to the second law of motion?

Accepted Answer

The car will accelerate more

Answer

Both will accelerate equally

Answer

Neither will accelerate

Answer

The truck will accelerate more

RRB Group D 2025 Question Paper (19-Aug-2026) (Shift 1)

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