NEET2022ZoologyHuman ReproductionActual
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : During pregnancy the level of thyroxine is increased in the maternal blood. Reason (R) : Pregnancy is characterised by metabolic changes in the mother. In the light of the above statements, choose the most appropriate answer from the options given below:
Options
- ABoth (A) and (R) are correct and (R) is the correct explanation of ( A )
- BBoth (A) and (R) are correct but (R) is not the correct explanation of ( A )
- C(A) is correct but (R) is not correct
- D(A) is not correct but (R) is correct
Correct answer
A. Both (A) and (R) are correct and (R) is the correct explanation of ( A )
Step-by-step solution
During pregnancy, thyroxine level increases in material blood because metabolic rate in body increases during pregnency. As thyroxine maintain Basal Metabolic rate (BMR) to generate heat.