Which of the following hormones is not secreted by the human placenta?
1. HCG
2. HGH
3. HPL
4. Progesterone
Which of the following is secreted only during the luteal phase of a menstrual cycle ?
1. LH
2. FSH
3. Estrogen
4. Progesterone
Which of these structures contributes the greatest percentage to semen ?
1. Bulbourethral glands
2. Prostate
3. Seminal vesicles
4. Testes
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
The structure of testis of a mammal can be identified by the presence of
(1) Spermatogonia
(2) Spermatocytes
(3) Cells of Sertoli
(4) Spermatids
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