Human Reproduction

Spermatogonia undergo a series of cell divisions to produce sperms. Select the correct statements from the following: Choose the correct answer from the options given below :

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

The covering of ovum at ovulation is .

1. chorion
2. endometrium
3. zona radiata
4. zona pellucida

Which of the following structure is not a part of the male reproductive system?

1. Infundibulum
2. Rete testis
3. Epididymis
4. Vasa efferentia

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

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

Which of the following hormones is not secreted by human placenta?

1. LH
2. hCG
3. Estrogen
4. Progesterone

The first menstruation is called :

1. Diapause
2. Ovulation
3. Menopause
4. Menarche

Find the correct statement : Choose the correct answer from the options given below :

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

Match List-I with List-II. Choose the correct answer from the options given below :

1. A-III, B-IV, C-II, D-I
2. A-III, B-II, C-I, D-IV
3. A-IV, B-III, C-I, D-II
4. A-IV, B-III, C-II, D-I

Consider the following : Choose the correct answer from the options given below:

1. B and D are true
2. B and C are true
3. A and B are true
4. A and C are true

Twins are born to a family that lives next door to you. The twins are a boy and a girl. Which of the following must be true?

1. They were conceived through in vitro fertilization.
2. They have 75\% identical genetic content.
3. They are monozygotic twins.
4. They are fraternal twins.