A: Placenta is connected to the embryo throug | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(B) The Assertion is correct: The placenta is connected to the embryo through an umbilical cord,which facilitates the transport of oxygen,nutrients,an

Vedclass · Accepted Answer

Assertion and Reason both are correct but Reason is not the correct explanation of Assertion.

Vedclass · Answer

(B) The Assertion is correct: The placenta is connected to the embryo through an umbilical cord,which facilitates the transport of oxygen,nutrients,and waste products between the mother and the fetus.The Reason is also correct: The placenta acts as an endocrine tissue and produces several hormones like human chorionic gonadotropin $(hCG)$,human placental lactogen $(hPL)$,estrogens,and progestogens,which are essential for maintaining pregnancy.Since both statements are factually correct but the Reason does not explain why the umbilical cord is used for transport,the correct option is $B$.

$A$: Placenta is connected to the embryo through an umbilical cord which helps in the transport of substances to and from the embryo.
$R$: Placenta acts as an endocrine tissue.

Similar Questions

$A$: The first sign of a growing foetus may be noticed by listening to the heart sound through the stethoscope.
$R$: By the end of the second month of pregnancy,the foetus develops limbs and digits.

Identify $A, B, C$ and $D$ in the figure given below.

The function of the $Relaxin$ hormone is:

High increase in $oxytocin$ level in a pregnant lady results in:

What happens during the cleavage of an embryo?

Vedclass Test Series

Exam Paper Generator

Online Exam Module

$A$: Placenta is connected to the embryo through an umbilical cord which helps in the transport of substances to and from the embryo.$R$: Placenta acts as an endocrine tissue.