Human Reproduction MCQ Questions for Class 12 Biology Chapter 3 with Answers

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NCERT MCQ Chapters for Class 12 Biology


Q1. Ovaries produce the female gamete called :

(A) Sperm
(B) Oviducts
(C) Ovum
(D) Prostate


(C) Ovum


Q2. If mammalian ovum fails to get fertilised, which one of the following is unlikely ?

(A) Corpus luteum will distintegrate.
(B) Progesterone secretion rapidly declines.
(C) Estrogen secretion increases.
(D) Primary follicle starts developin


(C) Estrogen secretion increases.


Q3. Morula is a developmental stage :

(A) Between the zygote and blastocyst
(B) Between the blastocyst and gastrula
(C) After the implantation
(D) Between implantation and parturition


(A) Between the zygote and blastocyst


Q4. Testosterone is secreted by

(A) Sertoli cells
(B) Leydig cells
(C) Kupffer cells
(D) Mast cells


(B) Leydig cells


Q5. The outermost layer of a blastocyst is called

(A) ectoderm
(B) mesoderm
(C) endoderm
(D) trophoblast


(D) trophoblast


Q6. Ovulation occurs under the influence of

(A) follicle-stimulating hormone
(B) luteinising hormone
(C) progesterone
(D) estrogen.


(B) luteinising hormone


Q7. How many sperms are formed from a secondary spermatocyte?

(A) 2
(B) 8
(C) 4
(D) 1


(C) 4


Q8. Spermiation is the process of the release of sperms from:

(A) Seminiferous tubules
(B) Vas deferens
(C) Epididymis
(D) Prostate gland


(A) Seminiferous tubules


Q9. Besides activating the egg another role of a sperm is to carry to egg

(A) RNA
(B) mitochondria
(C) DNA
(D) ribosomes.


(C) DNA


Q10. Sertolicells present in:

(A) In liver
(B) In Testis
(C) In Ovary
(D) in Pancreatic gland


(B) In Testis


Q11. In mammals male hormones are produced in:

(A) In Liver
(B) In Testis
(C) In Kidney
(D) In Lungs


(B) In Testis


Q12. Immediately after ovulation, the mammalian egg is covered by a membrane known as

(A) chorion
(B) zona pellucida
(C) corona radiata
(D) vitelline membrane.


(C) corona radiata


Q13. Which of the following hormones is not secreted by human placenta?

(A) HCG
(B) Estrogens
(C) Progesterone
(D) LH


(D) LH


Q14. During embryonic development, the establishment of polarity along anterior/ posterior, dorsal/ventral or medial/lateral axis is called

(A) Pattern formation
(B) Organizer phenomena
(C) Axis formation
(D) Anamorphosis


(B) Organizer phenomena


Q15. After the release of the secondary oocyte, the Graafian follicle develops into

(A) corpus callosum
(B) corpus albicans
(C) corpus luteum
(D) primary follicle


(C) corpus luteum


Q16. Proliferative phase of menstrual cycle, is also called

(A) follicular phase
(B) luteal phase
(C) secretory phase
(D) ovulatory phase


(A) follicular phase


Q17. Middle piece of mammalian sperm possess

(A) Mitochondria and centriole
(B) Mitochondria only
(C) Centriole only
(D) Nucleus and mitochondria


(B) Mitochondria only


Q18. Spot the odd one out from the following structures with reference to the male reproductive system:

(A) Rete testis
(B) Epididymis
(C) Vasa effereritia
(D) Isthmus


(D) Isthmus


Q19. In oocyte secondary maturation occurs in

(A) ovary
(B) abdominal cavity
(C) Fallopian tube
(D) uterus.


(C) Fallopian tube


Q20. The cavity of blastula Is:

(A) Blastocoel
(B) Coelome
(C) Archentron
(D) Homocoel


(B) Coelome


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