Spermatogenesis MCQs with answers for neet-CBSE-JAC exams

Spermatogenesis MCQs with answers for neet-CBSE-JAC exams

■lesson-3 human reproduction and Spermatogenesis MCQs with answers for neet-CBSE-JAC exams

■subtopics:- gametogenesis and spermatogenesis and their process and Spermatogenesis MCQs with answers for neet-CBSE-JAC exams

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 Spermatogenesis MCQs with answers for neet-CBSE-JAC exams

1) diploid primary germ cells in male is

A) spermatogonia
B) oogonia
C) testes
D) ovary

Ans. A

2) diploid primary germ cells in female is

A) spermatogonia
B) oogonia
C) testes
D) ovary

Ans. B

3) primary sex organ in male is

A) spermatogonia
B) oogonia
C) testes
D) ovary

Ans. C

4) primary sex organ in female is

A) spermatogonia
B) oogonia
C) testes
D) ovary

Ans. D

5) the process of formation of haploid male and female gamete is known as which of following

A) implantation
B) gametogenesis
C) spermatogenesis
D) oogenesis

Ans. B

6) the process of formation of haploid male gamete is known as which of following

A) implantation
B) gametogenesis
C) spermatogenesis
D) oogenesis

Ans. C

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7) the process of formation of haploid female gamete is known as which of the following

A) implantation
B) gametogenesis
C) spermatogenesis
D) oogenesis

Ans. D

8) testicular cycle present in

A) continuous breeders
B) seasonal breeders
C) annual breeders
D) none

Ans. B

9) the Rapid mitotic division of diploid primary germ cells to formed spermatogonia in male is known as

A) growth phase
B) multiplicative phase
C) maturation phase
D) spermiogenesis

Ans. B

10) which of the following form stem cells

A) type A spermatogonia
B) type B spermatogonia
C) both A and B
D) none

Ans. A

11) which spermatogonia move inward and enter into growth phase

A) type A spermatogonia
B) type B spermatogonia
C) both A and B
D) none

Ans. B

12) diploid spermatogonia increase in size by the accumulation of nutritive material in the cytoplasm that form diploid structure

A) secondary spermatocytes
B) primary spermatocytes
C) spermatids
D) sperm

Ans. B

13) development of diploid primary spermatocytes from the diploid spermatogonia in which process

A) growth phase
B) multiplicative phase
C) maturation phase
D) spermiogenesis

Ans. A

14) which one is longer one duration

A) growth phase of spermatogenesis
B) growth phase of oogenesis
C) both
D) none

Ans. B

15) the process in which diploid spermatogonia increased in size and change into diploid primary spermatocyte is known as which of following

A) spermatocytogenesis
B) gametogenesis
C) spermatogenesis
D) oogenesis

Ans. A

16) diploid primary spermatocytes undergoes meiosis 1 and meiosis 2 reductional division to form secondary spermatocytes and spermatids that phase is known as

A) growth phase
B) multiplicative phase
C) maturation phase
D) spermiogenesis

Ans. C

17) in maturation phase meiosis-1 forms

A) primary spermatocytes to secondary spermatocytes
B) primary spermatocytes to spermatids
C) secondary spermatocytes to spermatids
D) none

Ans. A

■ Spermatogenesis MCQs with answers for neet-CBSE-JAC exams

18) in maturation phase meiosis-2 forms

A) primary spermatocytes to secondary spermatocytes
B) primary spermatocytes to spermatids
C) secondary spermatocytes to spermatids
D) none

Ans. C

19) 1 primary spermatocytes forms how many number of spermatids

A) 1 haploid spermatids
B) 4 haploid spermatids
C) 3 haploid spermatids
D) 2 haploid spermatids

Ans. B

20) nature of secondary spermatocytes is

A) haploid
B) diploid
C) triploid
D) none

Ans. A

21) the nature of spermatid is

A) haploid
B) diploid
C) triploid
D) none

Ans. A

22) the nature of primary spermatocytes and spermatogonia is

A) haploid
B) diploid
C) triploid
D) none

Ans. B

23) the transformation of a non motile haploid spermatids into a functional and motile sperm atozoan is known as which process

A) implantation
B) gametogenesis
C) spermatogenesis
D) spermiogenesis

Ans. D

24) which form acrosome of a sperm

A) Golgi body of spermatids
B) centriole of spermatid
C) distal centriole of spermatid
D) mitochondria spermatids

Ans. A

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25) which form neck of sperm

A) Golgi body of spermatids
B) centriole of spermatid
C) distal centriole of spermatid
D) mitochondria spermatids

Ans. B

26) which one gives rise to axoneme of tail of sperm

A) Golgi body of spermatids
B) centriole of spermatid
C) distal centriole of spermatid
D) mitochondria spermatids

Ans. C

27) which one gives rise to middle piece of sperm

A) Golgi body of spermatids
B) centriole of spermatid
C) distal centriole of spermatid
D) mitochondria spermatids

Ans. D

28) in one complete a spermatogenesis process one spermatogonia forms how many sperms

A) 2 haploid sperms
B) 4 haploid sperms
C) 3 haploid sperms
D) 1 haploid sperms

Ans. B

29) which cells provide nutrition to development of spermatozoa

A) leydig cells
B) sertoli cells
C) interstitial cells
D) none

Ans. B

30) the mature spermatozoan are released in the lumen of seminiferous tubules that process is known as which of following

A) spermiation
B) gametogenesis
C) spermatogenesis
D) spermiogenesis

Ans. A

31) the two testes of young adult human male forms how many sperm each day.

A) 110 millions
B) 130 millions
C) 120 millions
D) 140 millions

Ans. C

32) which hormone stimulates the Leydig’s cells of testes to produce male sex hormone

A) FSH
B) LH
C) testosterone
D) none

Ans. B