Question

Given below are assertion and reason. Point out if both are true with reason being correct explanation (A), both true but reason not correct explanation (B), assertion true but reason wrong (C), both wrong (D).
Assertion. Lateral line system is found in fishes and aquatic larval amphibians.
Reason. Lateral line system has receptors which are the clusters of sensory cells derived from ectoderm.

• A. (A)
• B. (B)
• C. (C)
• D. (D)

Answer 1

Answer: (B)

(B)

Lateral line is a group of sense organs found in fishes and amphibian larvae. Hence, assertion is correct.

The sense organs are made from epidermal cells and contain receptors which respond to displacement caused by electric impulse, motion etc. Hence, reason is also correct but it is not the correct explanation for assertion.

So, the correct answer is 'B'.