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

Human Reproduction Class 12 Biology MCQs Questions with Answers
Check the below NCERT MCQ Questions for Class 12 Biology Chapter 3 Human Reproduction with Answers Pdf free download. MCQ Questions for Class 12 Biology with Answers were prepared based on the latest exam pattern. We have Provided Human Reproduction Class 12 Biology MCQs Questions with Answers to help students understand the concept very well.
Class 12 Biology Chapter 3 Quiz
Class 12 Biology Chapter 3 MCQ Online Test
You can refer to NCERT Solutions for Class 12 Biology Chapter 3 Human Reproduction to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.
Human Reproduction Class 12 Biology MCQ online test
Q1. | In spermatogenesis, reduction division of chromosome occurs during conversion of |
A.spermatogonia to primary spermatocytes |
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B.primary spermatocytes to secondary spermatocytes |
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C.secondary spermatocytes to spermatids |
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D.spermatids to sperms. |
Ans: primary spermatocytes to secondary spermatocytes
Q2. | Which of the following groups of cells in the male gonad, represent haploid cells ? |
A.Spermatogonial cells |
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B.Germinal epithelial cells |
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C.Secondary spermatocytes |
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D.Primary spermatocytes |
Ans: Secondary spermatocytes
Q3. | The process of release of spermatozoa from Sertoli cells into cavity of the seminiferous tubules is called |
A.spermiogenesis |
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B.spermatogenesis |
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C.spermatocytogenesis |
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D.spermiation. |
Ans: spermiation.
Q4. | The principal tail piece of human sperm shows the microtubular arrangement of |
A.7 + 2 |
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B.9 + 2 |
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C.11 + 2 |
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D.13 + 2 |
Ans: 11 + 2
Q5. | Acrosome is a type of |
A.lysosome |
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B.flagellum |
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C.ribosome |
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D.basal body. |
Ans: lysosome
Q6. | Which of the following contains the actual genetic part of a sperm ? |
A.Whole of it |
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B.Tail |
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C.Middle piece |
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D.Head |
Ans: Head
Q7. | The sperms undergo physiological maturation, acquiring increased motility and fertilising capacity in |
A.seminiferous tubules |
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B.vasa efferentia |
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C.epididymis |
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D.vagina. |
Ans: epididymis
Q8. | At what stage of life is oogenesis initiated in a human female ? |
A.At puberty |
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B.During menarch |
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C.During menopause |
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D.During embryonic development |
Ans: During embryonic development
Q9. | 1st polar body is formed at which stage of oogenesis ? |
A.1st meiosis |
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B.2nd mitosis |
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C.1st mitosis |
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D.Differentiation |
Ans: 1st meiosis
Q10. | Which one is released from the ovary ? |
A.Primary oocyte |
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B.Secondary oocyte |
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C.Graafian follicle |
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D.Oogonium |
Ans: Secondary oocyte
Q11. | During oogenesis, each diploid cell produces |
A.four functional eggs |
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B.two functional eggs and two polar bodies |
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C.one functional egg and three polar bodies |
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D.four functional polar bodies. |
Ans: one functional egg and three polar bodies
Q12. | In oogenesis haploid egg is fertilised by sperm at which stage ? |
A.Primary oocyte |
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B.Secondary oocyte |
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C.Oogonium |
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D.Ovum |
Ans: Secondary oocyte
Q13. | Layers of an ovum from outside to inside is |
A.corona radiata, zona pellucida and vitelline membrane |
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B.zona pellucida, corona rodiata and vitelline membrane |
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C.vitelline membrane, zona pellucida and corona radiata |
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D.zona pellucida, vitelline membrane and corona radiata. |
Ans: corona radiata, zona pellucida and vitelline membrane
Q14. | Which part of ovary in mammals acts as an endocrine gland after ovulation ? |
A.Stroma |
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B.Germinal epithelium |
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C.Vitelline membrane |
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D.Graafian follicle |
Ans: Graafian follicle
Q15. | The sex of the fetus will be decided at |
A.fertilisation by male gamete |
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B.implantation |
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C.fertilisation by female gamete |
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D.the start of cleavage. |
Ans: fertilisation by male gamete
Q16. | What is true about cleavage in the fertilised egg in humans ? |
A.It starts while the egg is in Fallopian tube. |
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B.It starts when the egg reaches uterus. |
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C.It is meroblastic |
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D.It is identical to the normal mitosis. |
Ans: It starts while the egg is in Fallopian tube.
Q17. | Cleavage differs from mitosis in lacking |
A.synthetic phase |
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B.growth phase |
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C.both (a) and (b) |
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D.none of these. |
Ans: growth phase
Q18. | The solid mass of 8-16 cells formed from zygote after successive mitotic divisions is called |
A.blastula |
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B.gastrula |
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C.morula |
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D.none of these. |
Ans: morula
Q19. | Implantation takes place after __________ of fertilisation. |
A.5 days |
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B.6 days |
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C.7 days |
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D.8 days |
Ans: 7 days
Q20. | Structure connecting the fetus to placenta is |
A.umbilical cord |
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B.amnion |
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C.yolk sac |
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D.chorion. |
Ans: umbilical cord
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NCERT Solutions for Class 12 Biology
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MCQ Questions for Class 12 Biology Chapter 1 Reproduction in Organisms Set-B
MCQ Questions for Class 12 Biology Chapter 1 Reproduction in Organisms Set-C
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MCQ Questions for Class 12 Biology Chapter 3 Human Reproduction Set-A
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MCQ Questions for Class 12 Biology Chapter 3 Human Reproduction Set-D
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