Assertion (A) : Cutaneous respiration occurs in earthworms.Reason (R) : The body wall of earthworms lacks cuticle.
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a
Both A and R are true and R is the correct explanation of A.
b
Both A and R are true, but R is not the correct explanation of A.
c
A is true, but R is false.
d
A is false, but R is true.
answer is C.
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Detailed Solution
Earthworms lack specialised breathing devices. Respiratory exchange occurs through moist body surface into their blood stream. The outermost layer in the body wall of earthworm is a thin non-cellular cuticle.