Human Reproduction Questions. MCQs (Multiple Choice Questions) on Human Reproduction. Test No. 4
Human Reproduction MCQs Quiz - 04
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Human seminal plasma, the fluid part of semen, is produced by contributions from the: i. Urethra ii. Prostate iii. Seminal vesicle iv. Bulbourethral gland
i and iii
i and iv
i, iii and iv
ii, iii and iv
Which one of the following statement is correct?
Spermatogenesis is the formation of sperm cells.
Spermatogenesis occurs in the seminiferous tubules.
Follicle-stimulating hormone (FSh) indirectly stimulates spermatogenesis.
All of these are correct
Which one of the following statements is incorrect about menopause?
Generally occurs between the ages of 45 and 55
Causes the cessation of the female reproductive cycle
Anterior pituitary no longer produces FSH and LH
Ovaries slowly reduce their secretion of estrogen
Which one of the following statement is correct about sertoli cells also called as nurse cells?
Found in adrenal cortex and secrete adrenaline
Found in ovaries and secrete progesterone
Found in pancreas and secrete cholecystokinin
Found in Seminiferous tubules and provide nutrition of germ cells
Which one of the following statements about morula in humans is correct?
It has more cytoplasm and more DNA than an uncleaved zygote
It has almost equal quantity of cytoplasm as an uncleaved zygote but much more DNA
It has far less cytoplasm as well as less DNA than in an uncleaved zygote
It has more or less equal quantity of cytoplasm and DNA as in uncleaved zygote
Foetal ejection reflex in human female is induced by
Differentiation of mammary glands
Pressure exerted by amniotic fluid
Release of oxytocin from pituitary
Fully developed foetus and placenta
Which one of the following is the most likely root cause why menstruation is not taking place in regularly cycling human female?
Retention of well-developed corpus luteum
Fertilisation of the ovum
Maintenance of the hypertrophical endometrial lining
Maintenance of high concentration of sex-hormones in the blood stream
The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is
Correct sequence of embryo development:
Gamete → Zygote → Morula → Blastula → Gastrula
Gamete → Zygote → Blastula → Morula → Gastrula
Gamete → Neurula → Gastrula
Gamete → Neurula → Morula
Which one of the following statements is incorrect about menstruation?
The beginning of the cycle of menstruation is called menarche
During normal menstruation about 40 ml blood is lost
The menstrual fluid can easily clot
At menopause in the female, there is especially abrupt increase in gonadotropic hormones
The hemoglobin of a human foetus:
Has a higher affinity for oxygen than that of an adult
Has a lower affinity for oxygen than that of the adult
Its affinity for oxygen is the same as that of an adult
Has only two protein subunits instead of four
What happens during fertilisation in humans after many sperms reach close to the ovum?
Cells of corona radiata trap all the sperms except one
Only two sperms nearest the ovum penetrate zona pellucida
Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida
All sperms except the one nearest to the ovum lose their tails
Column I contains terms and column II contains definitions. Match them correctly and choose the right answer.
|Column I||Column II|
|A||Parturition||p||Attachment of zygote to endometrium|
|B||Gestation||q||Release of egg from Graafian follicle|
|C||Ovulation||r||Delivery of baby from uterus|
|D||Implantation||s||Duration between pregnancy and birth|
|E||Conception||t||Formation of zygote by fusion of the egg and sperm|
|u||Stoppage of ovulation and menstruation|
A = q, B = s, C = p, D = t, E = r
A = s, B = r, C = p, D = t, E = q
A = t, B = p, C = q, D = r, E = s
A = r, B = s, C = q, D = p, E = t
The figure given below depicts a diagrammatic sectional view of the female reproductive system of humans. Which one set of three parts out of I – VI have been correctly identified?
(I) Perimetrium, (II) Myometrium, (III) Fallopian tube
(II) Endometrium, (III) Infundibulum, (IV) Fimbriae
(III) Infundibulum, (IV) Fimbriae, (V) Cervix
(IV) Oviducal funnel, (V) Uterus, (VI) Cervix
Given below is a diagrammatic sketch of a portion of human male reproductive system. Select the correct set of the names of the parts labelled A, B, C, D.
|(1)||Ureter||Seminal vesicle||Prostate||Bulbourethral gland|
|(2)||Ureter||Prostate||Seminal vesicle||Bulbourethral gland|
|(3)||Vas deferens||Seminal vesicle||Prostate||Bulbourethral gland|
|(4)||Vas deferens||Seminal vesicle||Bulbourethral gland||Prostate|
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