Human Reproduction

Which of the following statements are correct regarding female reproductive cycle? Choose the most appropriate answer from the options given below:

1. A and B only
2. A, B and C only
3. A, C and D only
4. A and D only

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). In the light of the above statements, choose the correct answer from the options given below:

1. Both A and R are true but R is NOT the correct explanation of A.
2. A is true but R is false.
3. A is false but R is true.
4. Both A and R are true and R is the correct explanation of A.

Given below are two statements: In the light of the above statements, choose the correct answer from the options given below:

1. Both Statement I and Statement II are false.
2. Statement I is correct but Statement II is false.
3. Statement I is incorrect but Statement II is true.
4. Both Statement I and Statement II are true.

Which of the following statements are true for spermatogenesis but do not hold true for Oogenesis? Choose the most appropriate answer from the options given below :

1. C and D only
2. B and C only
3. B, D and E only
4. B, C and E only

Given below are two statements: In the light of the above statements, choose the most appropriate answer from the options given below:

1. Both Statement I and Statement II are correct
2. Both Statement I and Statement II are incorrect
3. Statement I is correct but Statement II is incorrect
4. Statement I is incorrect but Statement II is correct

At which stage of life the oogenesis process is initiated?

1. Puberty
2. Embryonic development stage
3. Birth
4. Adult

How many secondary spermatocytes are required to form 400 million spermatozoa?

1. 400 million
2. 50 million
3. 100 million
4. 200 million

Arrange the components of mammary gland. (from proximal to distal). Choose the most appropriate answer from the options given below :

1. E C D B A
2. C A D E B
3. B C E D A
4. C E A D B

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). In the light of the above statements, choose the most appropriate answer from the options given below:

1. (A) is not correct but (R) is correct
2. Both (A) and (R) are correct and (R) is the correct explanation of (A)
3. Both (A) and (R) are correct but (R) is not the correct explanation of (A)
4. (A) is correct but (R) is not correct

Receptors for sperm binding in mammals are present on :

1. Zona pellucida
2. Corona radiata
3. Vitelline membrane
4. Perivitelline space