Human Reproduction

Arrange the following cell layers/structures around the female gamete, from outer to inner side : Choose the correct answer from the options given below :

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

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

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.

Which of the following is not a component of Fallopian tube?

1. Uterine fundus
2. Isthmus
3. Infundibulum
4. Ampulla

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

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

Identify the correct option (A), (B), (C), (D) with respect to spermatogenesis. [figure]

1. FSH, Leydig cells, Sertoli cells, spermiogenesis.
2. ICSH, Interstitial cells, Leydig cells, spermiogenesis.
3. FSH, Sertoli cells, Leydig cells, spermatogenesis.
4. ICSH, Leydig cells, Sertoli cells, spermatogenesis.

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

Arrange the following parts in human Mammary gland, traversing the route of milk ejection. Choose the correct answer from the options given below:

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

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

Which of these is not an important component of initiation of parturition in humans?

1. Release of Prolactin
2. Increase in estrogen and progesterone ratio
3. Synthesis of prostaglandins
4. Release of Oxytocin

Which of the following secretes the hormone, relaxin, during the later phase of pregnancy?

1. Uterus
2. Graafian follicle
3. Corpus luteum
4. Foetus

Meiotic division of the secondary oocyte is completed

1. At the time of fusion of a sperm with an ovum
2. At the time of copulation
3. Prior to ovulation
4. After zygote formation

Which of the following hormone levels will cause release of ovum (ovulation) from the Graafian follicle?

1. Low concentration of FSH
2. High concentration of Progesterone
3. Low concentration of LH
4. High concentration of Estrogen