Home » Human Reproduction Class 12 Biology MCQ With Solutions

Human Reproduction Class 12 Biology MCQ With Solutions

Update on: 02 Feb 2024, 03:25 PM

The Human Reproduction Class 12 Biology MCQ with Answers has been organized according to the latest exam pattern in the CBSE Class 12 Biology syllabus. Human reproduction covers topics like the male and female reproduction system, gametogenesis and menstural cycle, fertilisation and implantation, pregnancy and embryonic development, parturition and lactation, These questions are designed to help students understand the concept thoroughly and will help prepare students for their upcoming CBSE class 12 biology exam. They are not only helpful for revision but also for grasping the concepts effectively. The MCQ questions for Chapter 2 Human Reproduction cover in-text book questions and important topics to help students assess their preparation level for CBSE board exams.

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CBSE Class 12 Chapter 2 Human Reproduction MCQs

Check below the MCQ Questions for class 12 Biology with answers and Clear your idea of Chapter 2 Human Reproduction.

Q.1. Immediately after ovulation, the mammalian egg is covered by a membrane known as

(a) chorion (b) zona pellucida
(c) corona radiata (d) vitelline membrane.

Answer
(c): Immediately after ovulation, the mammalian egg is covered by a membrane known as corona radiata.

Check Out – 11 Most Important Graphics of NCERT Class 12th Biology That You Cannot Miss

Q.2. A human female reaches menopause around the age of

(a) 50 years (b) 35 years (c) 70 years (d) 25 years.

Answer
(a): Menopause in females occurs between the age of 45 to 55 years.

Practice More – CBSE Sample Paper Class 12 for 2023-24 Boards | FREE PDF from MTG

Q.3. Which part of the sperm plays an important role in penetrating the egg membrane?

(a) Neck piece (b) Tail (c) Ring centriole (d) Acrosome

Answer

(d): Acrosome contains hyaluronidase proteolytic enzymes, known as spermlysins that are used to contact and penetrate the ovum at the time of fetilisation.

 

Q.4. Spermiation is the process of the release of sperms from

(a) seminiferous tubules
(b) vas deferens
(c) epididymis
(d) penis.

Answer
(a)

 

Q.5. Which of the following hormone is not secreted by human placenta ?

(a) hCG (b) Estrogen (c) Progesterone (d) LH

Answer
(d): LH is secreted by pituitary gland.

 

Q.6. Urethral meatus refers to the

(a) urinogenital duct
(b) opening of vas deferens into urethra
(c) external opening of the urinogenital duct
(d) muscles surrounding the urinogenial duct.

Answer
(c): External opening of the urethra is called urethral meatus.

 

Q.7. In adult females, oxytocin

(a) stimulates pituitary to secrete growth hormone
(b) causes strong uterine contractions during parturition
(c) is secreted by anterior pituitary
(d) stimulates growth of mammary glands.

Answer
(b): During parturition there is quick release of oxytocin from the maternal posterior lobe of pituitary gland which promotes contraction of uterine muscles.

 

Q.8. Spot the odd one out from the following structures with reference to the male reproductive system.

(a) Rete testis (b) Epididymis (c) Vasa efferentia (d) Isthmus

Answer
(d): Isthmus is the part of female reproductive system.

 

Q.9. How many sperms are formed from 4 primary spermatocytes ?

(a) 4 (b) 8 (c) 16 (d) 2

Answer
(c): 1 primary spermatocyte forms 4 spermatozoa. Thus, 4 primary spermatocytes will form 16 spermatozoa.

 

Q.10. The solid mass of 8-16 cells formed from zygote after successive mitotic divisions is called

(a) blastula (b) blastomeres (c) morula (d) none of these.

Answer
(c)

We hope the MCQs for the CBSE Class 12 Biology Chapter 2 on Human Reproduction are helpful for your board exam preparation.

Keep learning and stay updated with us for more CBSE exam updates.


 

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