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2.Human Reproduction
medium
$A$ : Vaginal orifice is partially covered by a membrane called the hymen.
$R$ : It is made up of thick layer of smooth muscle.
A
Assertion and Reason both are correct and also correct explantion.
B
Assertion and Reason both are correct but not explanation of assertion.
C
Assertion is correct, but Reason is incorrect.
D
Both Assertion and Reason are incorrect.
Solution
Hymen is a membranous structure, partially covering vaginal orifice.
Standard 12
Biology
