NCERT Human Reproduction MCQ
Which layer of uterus undergoes cyclic changes during menstrual cycle?
The layer of uterine tissues responsible for strong contractions during childbirth is
(D) d) Myocardium
Of the following statements, which one is true for Mons Pubis
(A) It is the region of pubic hair growth found in females as well as males.
(B) It is a cushion of proteins covered by skin and pubic hair.
(C) It is a cushion of fats covered by skin and pubic hair.
(D) It is a part of female internal genitalia
Clitoris lies at the junction of
(A) Labia Majora
(B) Labia Minora
(C) Mons pubis
(D) Pubis symphysis
The clitoris is a tiny ___ shaped structure which lies above the urethral opening
(B) finger like
(C) bean shaped
The only statement correct about hymen is
(A) It is an opening of cervix.
(B) It is a reliable indicator of virginity.
(C) It is always torn after first coitus.
(D) It can be broken by a sudden fall or jolt, insertion of vaginal tampon, cycling, etc.
Mammary lobes contain cluster of cells known as __.
(A) mammary duct
(D) lactiferous duct
The terminal structure of the mammary glands through which milk is sucked out is known as
(A) Lumen of alveoli
(B) Mammary duct
(C) Lactiferous duct
(D) Mammary lobe
Several mammary ducts join to form
(A) Mammary lobe
(C) Mammary ampulla
(D) Lactiferous duct
Immature male germ cells are known as
Spermatogonium undergoes __.
(A) reduction division
(B) meiotic division
(C) mitotic division
Each spermatogonium is __ and has __ number of chromosomes,
(B) 2n, 23
(D) n, 46
The spermatogonia which undergo meiosis are known as
(C) Secondary spermatocyte
(D) Primary spermatocyte
The difference between primary and secondary spermatocyte lies in __.
(A) presence/absence of a tail
(B) number of chromosomes
(C) being hormone producing/non-hormone producing
(D) Primary gamete/Secondary gamete in males
Secondary spermatocytes give rise to
(A) Diploid spermatids
(B) Haploid sperm
(C) Diploid sperm
(D) Haploid spermatid
Sperms are synonymous with
(C) Primary spermatocyte
(A) Transformation of sperm into spermatids
(B) Transformation of spermatogonia into primary spermatocyte
(C) Transformation of secondary spermatocyte into spermatids
(D) Transformation of spermatid into spermatozoa
After Spermiogenesis, the sperm head is embedded in the __ cells,
(D) both (a) and (b)
The release of sperms from seminiferous tubules is known as __.
(A) a) ejaculation
Spermatogenesis starts at puberty due to the secretion of
(A) Luteinizing hormone
(B) Gonadotropin releasing hormone
(C) Follicle stimulating Hormone
Luteinizing hormone (LH) acts on __ cells and stimulates synthesis and secretion of __.
(A) Leydig cells, FSH
(B) interstitial cells, androgens
(C) Leydig cells, GnRH
(D) none of these
Androgens stimulate ___.
The function of FSH in male is
(A) Act on Leydig cells and stimulates secretion of factors responsible for spermiation
(B) Act on sertoli cells and stimulates secretion of factors responsible for spermatogenesis
(C) Act on interstitial cells and stimulates secretion of factors responsible for Spermiogenesis
(D) Act on sertoli cells and stimulates secretion of factors responsible for spermiogenesis
The microscopic structure of sperm consists of
(A) Head, Neck, Tail
(B) Head, Neck, Middle piece, Tail
(C) Head, Middle piece, Tail
(D) Neck, Middle piece, Tail
The sperm head contains: