RRB Group D 2025 Question Paper (19-Aug-2026) (Shift 2)

Question 1

To lift the same load, Machine P requires an effort of 100 N, while Machine Q requires an effort of 50 N. Which machine has the greater mechanical advantage?

Accepted Answer

Machine Q

Answer

Both machines are equally efficient

Answer

Cannot be determined

Answer

Machine P

Question 2

The capability of a single mature plant cell to develop into a complete plant, as proposed by Haberlandt, is called __________.

Accepted Answer

Totipotency

Answer

Contact inhibition

Answer

Turgidity

Answer

Permeability

Question 3

A real, inverted and diminished image of an object is formed by a convex lens. At which position is the object placed?

Accepted Answer

Beyond 2F

Answer

Between the principal focus (F) and 2F

Answer

At 2F

Answer

At the principal focus (F)

Question 4

Which of the following statements is/are CORRECT?Statement I: The maximum number of electrons in any shell is given by 2n2.Statement II: The third shell (n=3) can hold up to 12 electrons.

Accepted Answer

Only statement I is correct.

Answer

Both statements I and II are correct.

Answer

Both statements I and II are incorrect.

Answer

Only statement II is correct.

Question 5

In the reaction MnO2 + 4HCl → MnCl2 + 2H2O + Cl2, which substance is oxidized?

Accepted Answer

HCl

Answer

MnCl2

Answer

MnO2

Answer

H2O

RRB Group D 2025 Question Paper (19-Aug-2026) (Shift 2)

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