Human Reproduction

Assertion: Human male ejaculates about 5-10 million sperms during coitus. Reason : For normal fertility, at least 40 per cent sperms must have normal shape and size.

Refer to the given figure of T.S. of penis. How will penile function be altered if the blood supply to the $\mathrm{B}$ is impaired?

Assertion : Myometrium is important component of uterus. Reason: Myometrium produces strong contractions during parturition.

Contraction of the cremaster muscle occurs because of

Developing spermatozoa receive nutrition from

Which of the following statements is correct regarding menstrual cycle?

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.

Hormones for the menstrual cycle are produced by

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

Assertion : Periodic abstinence is a natural method where couples abstain from coitus Reason :Coitus from day 5-10 should be avoided because this is the time of ovulation.

Assertion : In a regular medical examination of a small population, a 35 years old lady was found to have higher levels of oestrogens, progesterone in her blood. Reason : The lady is 12 weeks pregnant.

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)…