(C) The Assertion is correct because most birds build nests for resting and protection during the night,whereas the Koel (Cuckoo) does not build its o

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Assertion is correct,but Reason is incorrect.

(C) The Assertion is correct because most birds build nests for resting and protection during the night,whereas the Koel (Cuckoo) does not build its own nest.The Reason is incorrect because the Koel exhibits a behavior known as Brood Parasitism,where it typically lays its eggs in the nest of a Crow,not a Tailor bird.

Class 11 Biology Animal Kingdom Class-Aves

Medium

$A$: All birds,except the one like Koel (cuckoo),build nests for retiring and taking rest during night time.
$R$: Koel lays eggs in the nests of tailor bird.

A
Assertion and Reason both are correct and Reason is the correct explanation of Assertion.
B
Assertion and Reason both are correct but Reason is not the correct explanation of Assertion.
C
Assertion is correct,but Reason is incorrect.
D
Both Assertion and Reason are incorrect.