Standard Books Zoology Structural Organisation in Animals Class 11 Questions

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:

Assertion: Frogs undergo aestivation & hibernation. Reason: Frogs take shelter in deep burrows to protect themselves from extreme heat & cold.