Question

Assertion: Aquarium needs to be cleaned regularly.

Reason: Aquarium is a man-made ecosystem.

• A. Assertion(A) and Reason(R) are True; Reason is a correct explanation for Assertion.
• B. Assertion is True, Reason is True but R is not correct explanation for A.
• C. Assertion is True, Reason is False.
• D. Assertion and Reason both are false.

Answer 1

The correct option is A

Assertion(A) and Reason(R) are True; Reason is a correct explanation for Assertion.

Option A

Assertion statement:

1. Because there are no bacteria to clean the water in an aquarium.
2. It must be done manually and cleaned regularly.

Reason statement:

1. The aquarium is a man-made artificial aquatic ecosystem that houses plants, fish, and other species.
2. It does not have all of the elements of a natural ecosystem.
3. We do not need to clean ponds and lakes since they are natural ecosystems with natural decomposers and cleaners entrenched as an inherent part of the ecosystem.

Final answer: Assertion(A) and Reason(R) are True; Reason is a correct explanation for Assertion.