Which of following organ is differentiated first during development ?

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2.Human Reproduction

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Which of the following organ is differentiated first during development ?

Heart

Skin

Brain

Neural tube

(AIIMS-2012)

Solution

In human beings, after one month of pregnancy, the embryo's heart is formed. By the end of second month of pregnancy limbs and digits are developed. By the end of $12$ weeks (first trimester) most of the major organ systems are formed.

Standard 12

Biology

Choose incorrect pair :

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During the development of embryo which of the following occur first

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Which one of the following statements with regard to embryonic development in humans is correct?

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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 :

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(NEET-2022)

The persistence of corpus luteum during pregnancy is due to a hormone known as

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Which of the following organ is differentiated first during development ?

Solution

Similar Questions

Choose incorrect pair :

During the development of embryo which of the following occur first

Which one of the following statements with regard to embryonic development in humans is correct?

The persistence of corpus luteum during pregnancy is due to a hormone known as

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