Male reproductive system and spermatogenesis — practice questions

Question 1 · difficulty L2 · understanding

Match List-I with List-II. List - I List - II A Head I Enzymes B Middle piece II Sperm motility C Acrosome III Energy D Tail IV Genetic material Choose the correct answer from the options given below :

• A. A-III, B-IV, C-II, D-I
• B. A-III, B-II, C-I, D-IV
• C. A-IV, B-III, C-I, D-II
• D. A-IV, B-III, C-II, D-I

Question 2 · difficulty L2 · understanding

Where does spermatogenesis occur in the human testes?

• A. Vas deferens
• B. Epididymal duct
• C. Prostate gland
• D. Seminiferous tubules

Question 3 · difficulty L3 · understanding

Spermatogonia undergo a series of cell divisions statements to produce sperms. Select the correct from the following : A. Spermatogonia always undergo meiotic cell division. B. Primary spermatocytes divide mitotically to produce secondary spermatocytes. C. Secondary spermatocytes, through their second meiotic division, produce haploid spermatids. D. Spermatids produce spermatozoa through mitosis. E. Spermatids transform into spermatozoa by spermiogenesis. Choose the correct answer from the options given below:

• A. A and E only
• B. C and E only
• C. A, C and E only
• D. B, C and D only

Question 4 · difficulty L3 · understanding

Identify the correct option (A), (B), (C), (D) with respect to spermatogenesis.

• A. FSH, Leydig cells, Sertoli cells, spermiogenesis.
• B. ICSH, Interstitial cells, Leydig cells, spermiogenesis.
• C. FSH, Sertoli cells, Leydig cells, spermatogenesis.
• D. ICSH, Leydig cells, Sertoli cells, spermatogenesis.

Question 5 · difficulty L3 · understanding

Given below are two statements: Statement I: Vas deferens receives a duct from seminal vesicle and opens into urethra as the ejaculatory duct. Statement Il: The cavity of the cervix is called cervical canal which along with vagina forms birth canal. In the light of the above statements, choose the correct answer from the options given below:

• A. Both Statement I and Statement II are false.
• B. Statement I is correct but Statement II is false.
• C. Statement I is incorrect but Statement II is true.
• D. Both Statement I and Statement II are true.

Question 6 · difficulty L3 · understanding

How many secondary spermatocytes are required to form 400 million spermatozoa?

• A. 400 million
• B. 50 million
• C. 100 million
• D. 200 million

Question 7 · difficulty L3 · understanding

Which of the following statements are true for spermatogenesis but do not hold true for Oogenesis? (a) It results in the formation of haploid gametes (b) Differentiation of gamete occurs after the completion of meiosis (c) Meiosis occurs continuously in a mitotically dividing stem cell population (d) It is controlled by the Luteinising Hormone (LH) and Follicle Stimulating Hormone (FSH) secreted by the anterior pituitary (e) It is initiated at puberty Choose the most appropriate answer from the options given below :

• A. (c) and (d) only
• B. (b) and (c) only
• C. (b), (d) and (e) only
• D. (b), (c) and (e) only

Question 8 · difficulty L3 · understanding

Given below are two statements : Statement I : The release of sperms into the seminiferous tubules is called spermiation. Statement II : Spermiogenesis is the process of formation of sperms from spermatogonia. In the light of the above statements, choose the most appropriate answer from the options given below :

• A. Both Statement I and Statement II are correct
• B. Both Statement I and Statement II are incorrect
• C. Statement I is correct but Statement II is incorrect
• D. Statement I is incorrect but Statement II is correct

Question 9 · difficulty L3 · understanding

Match the following columns and select the correct option. Column-I Column-II (A) Placenta (i) Androgens (B) Zona pellucida (ii) Human Chorionic Gonadotropin (hCG) (C) Bulbo-urethral (iii) Layer of the ovum (D) Leydig cells (iv) Lubrication of the Penis

• A. (A) $$\to$$ (ii), (B) $$\to$$ (iii), (C) $$\to$$ (iv), (D) $$\to$$ (i)
• B. (A) $$\to$$ (i), (B) $$\to$$ (iv), (C) $$\to$$ (ii), (D) $$\to$$ (iii)
• C. (A) $$\to$$ (iv), (B) $$\to$$ (iii), (C) $$\to$$ (i), (D) $$\to$$ (ii)
• D. (A) $$\to$$ (iii), (B) $$\to$$ (ii), (C) $$\to$$ (iv), (D) $$\to$$ (i)

Question 10 · difficulty L3 · application

A primary spermatocyte completes meiosis I normally. What cells are produced?

• A. Two haploid secondary spermatocytes
• B. Four diploid spermatids
• C. Two diploid spermatogonia
• D. One haploid spermatozoon