Which event is incorrectly matched with the time of its occurence [with respect to a 28 days menstrual cycle] ?

(1) Beginning of the menstrual flow - Day 1

(2) Ovulation - Day 14

(3) Beginning of the proliferative phase - Day 5

(4) Peak  secretion of estrogen - Day 22

Which human male accessory reproductive duct receives a duct from the seminal vesicle?

1. Rete testis

2. Vas deferens

3. Epididymis

4. Urethra

The primary oocyte completes its first meiotic division within the:

1. Primary follicle

2. Secondary follicle

3. Tertiary follicle

4. Graafian follicle

The human fetus develops limbs and digits:

1. After one month of pregnancy

2. By the end of second month of pregnancy

3. During the fifth month of pregnancy

4. By the end of second trimester of pregnancy

In the male human being, sperms contain autosomes and

1. Only one Y-chromosome

2. Only one X-chromosome

3. Both X and Y-chromosome

4. Either X or Y-chromosome

Number of spermatozoa single primary spermatocyte ultimately produces in spermatogenesis is 

(1) Eight

(2) Four

(3) Two

(4) One

In the vertebrates testes, for nourishment during spermiogenesis, the spermatids get attached to

(1) Interstitial cells

(2) Sperm-mother cells

(3) Spermatocytes

(4) Sertoli cells

The menstrual cycle begins with the casting off of

(1) Placenta

(2) Blood

(3) Endometrial lining along with blood vessels

(4) All the three

Graafian follicle of ovary secretes which hormone

1. Cortisone

2. Relaxin

3. Progesterone

4. None of these