Foetal ejection reflex in human female is induced by

1. pressure exerted by amniotic fluid

2. release of oxytocin from pitutary

3. fully developed foetus and placenta

4. differentiation of mammary glands

The correct sequence of spermatogenetic stages leading to the formation of sperms in a

mature human testis is

1. spermatocyte - spermatogonia - spermatid - sperms

2. spermatogonia - spermatocyte - spermatid -sperms

3. spermatid-spermatocyte-spermatogonia -sperms

4. spermatogonia-spermatid-spermatocyte -sperms

Withdrawal of which of the following hormones is the immediate cause of menstruation ?

1. Estrogen

2. FSH

3. FSH-RH

4. Progesterone

Which one of the following events is correctly matched with the time period in a normal menstrual cycle?

(1) Release of egg : 5^th day

(2) Endometrium regenerates : 5 - 10 days

(3) Endometrium secretes nutrients for implantation : 11-18 days

(4) Rise in progesterone level : 1 - 15 days

How many sperms are formed from a secondary spermatocyte?

(1) 4

(2) 8

(3) 2

(4) 1

What do A, B, C and D represent?

Choose the correct statement.

Hormones for the menstrual cycle are produced by

(1) ovaries only

(2) uterus only

(3) ovaries only

(4) ovaries and anterior pitutory

Which of the following statements is correct regarding menstrual cycle?

(1) LH induces rupturing of Graafian follicle.

(2) Proliferative phase is characterised by the increased production of progesterone.

(3) Corpus luteum secretes large amount of estrogen.

(4) Both LH and FSH attain a peak level in secretory phase.

Refer to the given figure and choose the correct option regarding its parts labelled as A-F.

1. B-Graafian follicle, F-Corpus luteum

2. C-Graafian follicle, A-Ovum

3. B-Primary follicle, C-Tertiary follicle showing antrum

4. E-Corpus callosum, D-Antrum cavity