$A$ : Muscles of external ears are fully developed in humans.
$R$ : These muscle helps in moving ear pinna in human.
Assertion and Reason both are correct and also correct explanation.
Assertion and Reason both are correct but not explanation of assertion.
Assertion is correct, but Reason is incorrect.
Both Assertion and Reason are incorrect.
The proponent of the theory of spontaneous generation was
$A$ : Lycaenops is a connecting link between reptiles and mammals.
$R$ : In permian period there was origin of mammal like reptiles.