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

Which of the following is true for luteal phase?

1. FSH stimulates follicular growth

2. LH causes cells of ruptured follicle to form corpus luteum

3. LH surge induces rupture of Graafian follicle

4. Menstrual flow lasts for 3-4 days.

If vas deferens in human male reproductive system is blocked, then transport of sperms will be blocked from

1. Rete testis to epididymis

2. Vasa efferentia to epididymis

3. Seminiferous tubules to rete testis

4. Epididymis to ejaculatory duct

Choose the incorrect match

(1) Morula –                  8 to 16 blastomeres

(2) Blastocyst –             Implantation in
                                     Endometrium

(3) Second polar body – Completion of 1st
                                     meiotic division

(4) Foetal ejection reflex – Cortisol, estrogen,
                                      oxytocin

Which of the following in not associated with the secretion of milk in mammary glands?

1. Mammary duct

2. Mammary lobes

3. Mammary alveoli

4. Glandular cells

Absence of acrosome will affect which activity in a normal sperm?

1. Maturation of sperm

2. Energy utilization for movement

3. Sperm motility

4. Penetration into the ovum

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

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

1. $\left(\mathrm{i}\right)\to \left(\mathrm{a}\right),\left(\mathrm{ii}\right)\to \left(\mathrm{c}\right),\left(\mathrm{iii}\right)\to \left(\mathrm{b}\right),\left(\mathrm{iv}\right)\to \left(\mathrm{d}\right)$

2. $\left(\mathrm{i}\right)\to \left(\mathrm{c}\right),\left(\mathrm{ii}\right)\to \left(\mathrm{d}\right),\left(\mathrm{iii}\right)\to \left(\mathrm{b}\right),\left(\mathrm{iv}\right)\to \left(\mathrm{a}\right)$

3. $\left(\mathrm{i}\right)\to \left(\mathrm{c}\right),\left(\mathrm{ii}\right)\to \left(\mathrm{b}\right),\left(\mathrm{iii}\right)\to \left(\mathrm{d}\right),\left(\mathrm{iv}\right)\to \left(\mathrm{a}\right)$

4. $\left(\mathrm{i}\right)\to \left(\mathrm{c}\right),\left(\mathrm{ii}\right)\to \left(\mathrm{a}\right),\left(\mathrm{iii}\right)\to \left(\mathrm{d}\right),\left(\mathrm{iv}\right)\to \left(\mathrm{b}\right)$

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)