In the female reproductive system, the funnel-shaped part of the fallopian tube closest to the ovary is
1. Isthmus
2. Infundibulum
3. Ampulla
4. Fundus
The menstrual flow results due to the breakdown of the glandular layer that lines the uterine cavity. This inner layer is
1. Perimetrium
2. Endometrium
3. Myometrium
4. Germinal epithelium
In a functional mammary gland, the cells of _________ secrete milk, which is stored in the cavities of alveoli. Choose the option that fills the blank correctly.
1. Alveoli
2. Lactiferous duct
3. Mammary ducts
4. Areola
At the end of the second meiotic division, the human female germ cells differentiate to form
1. Oogonia
2. First polar body
3. Second polar body
4. Primary oocyte
Choose the incorrect match
1. | Testicular lobules in each testis → 250 |
2. | Number of primary follicles in each ovary at puberty → 6000 to 8000 |
3. | Sperm count in healthy male per ejaculate → 200 to 300 million |
4. | Mammary lobes in each breast → 15 to 20 |
How many of the following statements are true regarding follicle stimulating hormone?
(i) FSH secreted by anterior pituitary cells, is called gonadotropin
(ii) Its target organs are the ovaries and testes
(iii) In the ovaries, it stimulates the secretion of ovarian hormones
(iv) In the testes, it stimulates the production of sperm
1. Only (i), (ii), (iii)
2. Only (ii), (iii), (iv)
3. (i), (ii), (iii), (iv)
4. Only (i), (iii)
Column-I |
Column-II |
(i) Relaxin (ii) Prolactin (iii) Progesterone (iv) LH |
(a) Maternity hormone (b) Ovulation (c) Parturition (d) Pregnancy hormone |
1.
2.
3.
4.
What induces the completion of the meiotic division of the secondary oocyte?
1. Contact of the sperm with the zona pellucida layer of ovum
2. Entry of the sperm into the cytoplasm of the ovum through the zona pellucida and the plasma membrane
3. Fast block to polyspermy
4. Release of sperms by the penis into the vagina of female
Select the mismatch.
1. Liquor folliculi – Fluid filled in antrum
2. Follicular atresia – Regression of follicles in ovary
3. Granulosa cells – Secrete estrogen
4. Zona pellucida – Glycolipid layer around primary oocyte secreted by granulosa cells only
After placenta formation in humans, the maternal tissue which is in contact with chorion of foetus is
(1) Uterine epithelium
(2) Maternal connective tissue
(3) Endothelium of maternal capillaries
(4) Maternal blood