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Assertion–Reason (Evaluate Truth and Explanation):\nAssertion (A): Bread that develops mould on it has to be thrown away.\nReason (R): All moulds are poisonous.

Difficulty: Easy

Both (A) and (R) are true, and (R) is the correct explanation of (A).
Both (A) and (R) are true, but (R) is not the correct explanation of (A).
(A) is true, but (R) is false.
(A) is false, but (R) is true.
Both (A) and (R) are false.

Correct Answer: (A) is true, but (R) is false.

Explanation:

Introduction / Context:
Food safety questions often hinge on conservative practice versus over-generalized reasons. We must assess both statements independently and the explanatory link.

Given Data / Assumptions:

(A) Advises discarding mouldy bread.
(R) Claims all moulds are poisonous.

Concept / Approach:
Even if not every mould produces dangerous mycotoxins, porous foods like bread allow hyphae/mycelium to spread beyond visible patches, making discarding prudent.

Step-by-Step Solution:

1) (A) is sound: for soft/porous foods, safe practice is to discard when mould is present.2) (R) is false because “all moulds are poisonous” is an overstatement; toxicity varies by species/conditions.3) Therefore, (R) cannot be the correct explanation of (A).

Verification / Alternative check:
The reason to discard is risk of invisible spread and potential toxins, not that all moulds are poisonous.

Why Other Options Are Wrong:
(a) and (b) require (R) true; (d) flips truth values; (e) denies established food-safety advice.

Common Pitfalls:
Accepting universal claims without exceptions; assuming visible mould equals the entire contaminated region.

Assertion–Reason (Evaluate Truth and Explanation):\nAssertion (A): Bread that develops mould on it has to be thrown away.\nReason (R): All moulds are poisonous.

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