$$ \text { Match List I with List II related to embryonic development at various months of pregnancy: } $$
| $$ \text { List I } $$ |
$$ \text { List II } $$ |
||
|---|---|---|---|
| A. | The foetus movement starts and hair appears on the head | I. | 24 weeks of pregnancy |
| B. | The foetus develops limbs and digits | II. | 20 weeks of pregnancy |
| C. | The foetus develops external genital organs | III. | 8 weeks of pregnancy |
| D. | The foetus body is covered with fine hair; eyelids separate and eyelashes are formed | IV. | 12 weeks of pregnancy |
Choose the correct answer from the options given below:
Arrange the following cell layers/structures around the female gamete, from outer to inner side :
A. Zona pellucida
B. Perivitelline space
C. Corona radiata
D. Plasma membrane of ovum
Choose the correct answer from the options given below :
The first menstruation is called :
Find the correct statement :
(A) In human pregnancy, the major organ systems are formed at the end of 12 weeks.
(B) In human pregnancy the major organ systems are formed at the end of 8 weeks.
(C) In human pregnancy heart is formed after one month of gestation.
(D) In human pregnancy, limbs and digits develop by the end of second month.
(E) In human pregnancy the appearance of hair is usually observed in the fifth month.
Choose the correct answer from the options given below :
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