91.

Which of the following statements is correct regarding menstrual cycle

• LH induces rupturing of Graafian follicle.

• Proliferative phase is characterised by the increased production of progesterone.

• Corpus luteum secretes large amount of estrogen. 

• Both LH and FSH attain a peak level in secretory phase.

Which of the following statements is correct regarding menstrual cycle?

• LH induces rupturing of Graafian follicle

• Proliferative phase is characterised by the increased production of progesterone

• Corpus luteum secretes large amount of estrogen

• Both LH and FSH attain a peak level in secretory phase

Hormones for the menstrual cycle are produced by

• ovaries only

• uterus only

• ovaries and uterus

• ovaries and anterior pituitary

Select the correct explanation for the labels A, B, C and D

• A represents the fertilised zygote.

• B represents the stage of morula formation.

• C represents the blastocyst.

• D represents the blastocyst implantation

Assertion: Parturition is induced by neural signal in maternal pituitary.

Reason: At the end of gestation period, the maternal pituitary releases prolactin which causes uterine contractions.

• If both assertion and reason are true and reason is the correct explanation of assertion. 

• If both assertion and reason are true but reason is not the correct explanation of assertion. 

• If assertion is true but reason is false. 

• If both assertion and reason are false.

During menstrual cycle, levels of LH and estrogen are highest around

• 14day

• 21day

• 7day

• 28day

Starting from the maximum, arrange the following male reproductive accessory organs in the correct order, based on the amount of secretion poured into urethra.
(i) Prostrate gland
(ii) Seminal vesicle
(iii) Bulbourethral gland

• (i) > (ii) > (iii)

• (iii) > (ii) > (i)

• (ii) > (iii) > (i)

• (ii) > (i) > (iii)

The 'cells of Rauber' are

• secretory cells of endometrium in uterus

• inner cell mass of blastocoel 

• outer cells of trophoblast in contact with uterine wall

• cells of trophoblast, in contact with inner cell mass of blastocyst.

Choose the correct statement.

• hPL plays a major role in parturition.

• Foetus shows movements first time in the 7^th month of pregnancy.

• Signal for parturition comes from fully developed foetus and placenta.

• Embryo's heart is formed by the 2^nd month of pregnancy.

Assertion: A male is found to be lacking facial hair and pubic hair.

Reason: It is a case of hyposecretion of testosterone from Leydig's cells of testes.

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are true but reason is not the correct explanation of assertion.

• If assertion is true but reason is false.

• If both assertion and reason are false.