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2.Human Reproduction
medium
$A$ : Placenta is connected to the embryo through an umbilical cord which helps in the transport of substance to and from the embryo
$R$ : Placenta acts as an endocrine tissue
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
Umbilical cord is not an endocrine structure.
Standard 12
Biology
