MCQ ON GAMETOGENESIS class 12 for NEET

MCQ ON GAMETOGENESIS class 12 for NEET | GAMETOGENESIS class 12 | MCQ THE GAMETOGENESIS with Answer | Check the below NCERT MCQ question for class 12 Biology chapter 03 based on the with Answers.

MCQ on GAMETOGENESIS class 12 Biology with answers were prepared based on the latest pattern.We have provided class 12 Biology MCQs questions on GAMETOGENESIS with Answers to help students understand the concept very well.

MCQ ON GAMETOGENESIS is useful for NEET / CSIR / UGC / CBSE / ICSE / AIIMS / EXAM / AFMC EXAM / STATE LEVEL MEDICAL EXAM 2022-23, 2023-24

Introduction:-
Mammals are unisexual . The reproductive system of each sex consists of many organs .There is a distinct sexual dimorphism. Males visibly differ from females in physical standards, external genital organs and accessory sex characters. All you are aware , humans are sexually reproducing and viviparous. Repriductive events occur after puberty.
The female reproductive system consists of a pair of ovaries along with a pair of oviducts , uterus, cervix, vagina and the external genitalia located in the pelvic region.

MCQ ON GAMETOGENESIS class 11 for NEET

1. The primary sex organs- the testis in the males produce gametes

(a) sperms
(b) ovums
(c) germ cell
(d) immature male cells

Ans (a) sperms

2. The sex organs the ovaries in the female produce gametes

(a) sperms
(b) ovums
(c) ligament
(d) mammary lobes

Ans. (b) ovums

3. In testes, the immature male germ cells produce sperms by ……………..that begins at puberty.

(a) spermatogonia
(b) spermatogenesis
(c) primary spermatocytes
(d) secondary spermatocytes

Ans. (b) spermatogenesis

4. Each spermatogonium is

(a) haploid
(b) diploid
(c) triploid
(d) tetraploids

Ans.(b) diploid

5. Each spermatogonium contains ……. chromosomes

(a) 23
(b) 46
(c) 44
(d) 22

Ans.(b) 46

6. Each secondary spermatocytes contains only ……… chromosomes

(a) 46
(b) 23
(c) 22
(d) 24

Ans.(b) 23

7. The secondary spermatocytes undergo the second meiotic division to produce four equal , haploid

(a) spermatids
(b) spermatocytes
(c) vaginal
(d) sertoli cells

Ans.(a) spermatids

8. The The spermatids are transformed into spermatozoa (sperms) by the process called

(a) spermatocytes
(b) spermatogenesis
(c) spermiogenesis
(d) sertoli cells

Ans.(c) spermiogenesis

9. After spermiogenesis , sperm heads become embedded in the sertoli cells and are finally released from the seminiferous tubules by the process called

(a) spermiation
(b) infundibulum
(c) external genitalia
(d) spermiogenesis

Ans. (a) spermiation

10. The hormone acts at the Leydig cells and stimulates synthesis and secretion of androgens.

(a) FSH
(b) LH
(c) GnRH
(d) TH

Ans. (b) LH

11.The whole body of plasma membrane is covered by

(a) acrosome
(b) plasma membrane
(c) semen
(d) rete testis

Ans.(b) plasma membrane

12. The sperm head contains an elongated ……nucleus

(a) diploid
(b) haploid
(c) triploid
(d) all the above

Ans . (b) haploid

13.The anterior portion of head is covered by a cap- like structure