STANDARDZoology-Structural Organization in Animals

STANDARD Zoology Cockroach Vision Assertion Reason Question

Type: Assertion Reason-conceptual-Medium-Class 11

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): With the help of several ommatidia, a cockroach can perceive several images of an object, i.e., mosaic vision. Reason (R): Mosaic vision gives more sensitivity but less resolution. In the light of the above statements, choose the most appropriate answer from the option given below:

A

(A) is not correct but (R) is correct

B

Both (A) and (R) are correct and (R) is the correct explanation of (A)

C

Both (A) and (R) are correct but (R) is not the correct explanation of (A)

D

(A) is correct but (R) is not correct

Correct Answer

Option B

Detailed Explanation

Both (A) and (R) are correct and (R) is the correct explanation of (A) because mosaic vision involves multiple images formed by ommatidia, providing sensitivity but less resolution.

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