1. Reproduction is essential for the survival of the:
Answer: B. species
Biology Class 11 Unit 11: Reproduction MCQs
120 multiple choice questions with the correct answer for each. Tap an option to check yourself, or switch on "Show all answers". This is page 1 of 3.
Tap an option to check your answer.
2. The human reproductive system becomes functional at:
Answer: B. puberty, when turned on by sex hormones
3. The male gonads are the:
Answer: B. testes
4. The testes are situated outside the abdomen in a skin pouch called the:
Answer: B. scrotum
5. The testes are located outside the body because spermatogenesis is most efficient at:
Answer: B. about 35 degrees, two degrees below body temperature
6. Each testis is divided into about how many lobules?
Answer: C. 250 to 300
7. Each lobule contains how many seminiferous tubules?
Answer: B. One to four
8. Spermatogenesis takes place in:
Answer: B. seminiferous tubules (germinal epithelium)
9. The tubular network where sperms mature after leaving seminiferous tubules is the:
Answer: B. rete testis
10. Sperms leave the testis through:
Answer: B. efferent ductules
11. Epididymis functions in:
Answer: B. transport and storage of sperms
12. The duct from the epididymis is the:
Answer: B. vas deferens
13. The vas deferens joins the duct of the seminal vesicle to form the:
Answer: B. ejaculatory duct
14. The ejaculatory duct enters the:
Answer: B. prostate gland and then opens into the urethra
15. The urethra is also called the urinogenital duct because it carries:
Answer: C. both urine and semen
16. The accessory glands of the male reproductive system are:
Answer: B. seminal vesicles, prostate gland and bulbourethral glands
17. The bulbourethral gland is also called:
Answer: B. Cowper's gland
18. The prostate gland encircles the:
Answer: B. urethra just below the bladder
19. The copulatory organ of male is the:
Answer: B. penis
20. Semen is a mixture of sperms and:
Answer: B. secretions of accessory glands
21. The normal sperm count in semen is about:
Answer: B. 20 to 150 million per ml
22. A healthy adult male makes about how many sperms every day?
Answer: C. 400 million
23. Spermatogonia divide by mitosis to form:
Answer: C. primary spermatocytes
24. A primary spermatocyte divides by meiosis I to form:
Answer: B. two secondary spermatocytes
25. Each secondary spermatocyte after meiosis II produces:
Answer: B. two spermatids
26. The transformation of spermatids into sperms is called:
Answer: B. spermiogenesis (differentiation)
27. A mature human sperm consists of:
Answer: B. head, neck, midpiece and tail
28. The midpiece of the sperm contains many:
Answer: B. mitochondria
29. The cap-like structure at the head of sperm is the:
Answer: B. acrosome
30. The acrosome contains:
Answer: C. digestive enzymes to penetrate the egg
31. The cells in seminiferous tubules that provide nutrients to developing sperms are:
Answer: B. Sertoli cells
32. The interstitial cells which secrete testosterone are:
Answer: B. Leydig cells
33. LH acts on the:
Answer: B. Leydig cells to secrete testosterone
34. FSH acts on the:
Answer: B. Sertoli cells to facilitate spermatogenesis
35. GnRH is secreted by the:
Answer: B. hypothalamus
36. GnRH stimulates the anterior pituitary to release:
Answer: B. FSH and LH
37. Testosterone is responsible for:
Answer: B. secondary sexual characteristics and stimulation of spermatogenesis
38. Which is a secondary sexual characteristic in males?
Answer: C. Deepening of voice and growth of facial hair
39. Inhibin is produced by:
Answer: B. Sertoli cells
40. Inhibin inhibits the release of:
Answer: B. GnRH and FSH
41. High levels of testosterone inhibit:
Answer: B. GnRH, FSH and LH by negative feedback
42. Sertoli cells cease inhibin release if the sperm count falls to:
Answer: C. 20 million per ml
43. The female gonads are the:
Answer: B. ovaries
44. The female reproductive system consists of ovaries, oviducts, uterus and:
Answer: B. vagina
45. Each ovary contains many tiny sac-like structures called:
Answer: B. ovarian follicles
46. The immature egg inside a follicle is the:
Answer: B. oocyte
47. Release of an oocyte from the ovary is called:
Answer: C. ovulation
48. After ovulation the ruptured follicle becomes the:
Answer: B. corpus luteum
49. The oviducts are also known as:
Answer: B. Fallopian tubes
50. Fertilization generally occurs in the:
Answer: D. oviduct (fallopian tube)
About Biology Class 11 Unit 11 MCQs (Federal Board)
These 120 Biology MCQs cover Class 11 Unit 11: Reproduction of the Federal Board (FBISE) HSSC-I (1st Year / Class 11) syllabus. They are SLO-based MCQs as per the new pattern for FBISE exams. Each question has four options and the correct answer is shown, so you can practise for the annual examination and find the topics you still need to revise. The questions are split over 3 pages of 50. Use the Print button to save this chapter as a PDF.