Tiêu đề 2 Human Reproduction - Complete Questions n Answers - Topic wise.pdf ✅

© www.bankofbiology.com All rights reserved. 01 MALE REPRODUCTIVE SYSTEM 1. Name the functional unit of testis. (Score: 1)  Answer: Seminiferous tubules 2. Observe the following figure. a. Identify the parts A, B, C and D. b. What is the significance (importance) of testis being in scrotum? (Score: 2)  Answer a. A. Seminal vesicle, B. Prostate, C. Testis D. Epididymis b. The low temperature (2-2.5° C less than the body temperature) of scrotum helps for proper functioning of testes and for spermatogenesis. 3. Observe the figure of male reproductive system. a. Identify the accessory glands. b. Name their collective secretion and mention its function. (Score: 2)  Answer a. Seminal vesicles, Prostate & Bulbourethral glands. b. Seminal plasma. It provides a fluid medium for the nourishment and motility of sperms. 4. Seminal plasma is the collective secretion of male accessory glands. (Score: 2) a. Name the three types of male accessory glands. b. What are major components of seminal plasma?  Answer a. Prostate gland, seminal vesicles and bulbourethral glands. b. Fructose, calcium and enzymes. 5. Various regions of male accessory duct system conduct sperms from testis. Arrange them in correct sequence of sperm conduction. (Score: 2) Vasa efferentia, urethral meatus, vas deferens, common ejaculatory duct, urethra, Rete testis, epididymis  Answer Rete testis → Vasa efferentia → epididymis → vas deferens → common ejaculatory duct → urethra → urethral meatus. 6. Name the following: (Score: 2) a. Collective secretion of male accessory glands. b. Male external genitalia. c. The enlarged end of the penis. d. Loose covering of glans penis.  Answer a. Seminal plasma b. Penis c. Glans penis d. Foreskin 7. Seminiferous tubule is lined internally with two types of cells. (Score: 2) a. Name the cells. b. Mention their functions.  Answer a. Male germ cells (spermatogonia or sperm mother cells) & Sertoli cells. b. Male germ cells become sperms. Sertoli cells give nutrition to the germ cells. 8. Which of the following cells are present in the regions outside the seminiferous tubules (interstitial spaces)? Spermatids, Sertoli cells, Leydig cells, Granulosa cells (Score: 1)  Answer: Leydig cells 9. Leydig cells secrete testicular hormones called ......... (Score: 1)  Answer: Androgens 10. Choose the odd one from the following and write the common features of others. (Score: 2) a. Estrogen b. Androgen c. Relaxin d. Progesterone  Answer b. Androgen. Other hormones are produced only in female. 11. The seminal plasma along with the sperms constitute the ............... (Score: 1)  Answer: Semen 12. Secretions of .................. lubricate the penis. (Score: 1)  Answer: Bulbourethral glands
© www.bankofbiology.com All rights reserved. 02 FEMALE REPRODUCTIVE SYSTEM 13. Odd man out. Justify your answer. (Score: 2) a. Prostate, rete testis, vas deferens, hymen b. Infundibulum, clitoris, ampulla, isthmus  Answer a. Hymen. It is the part of female reproductive system. Others are male reproductive parts. b. Clitoris. It is the part of female external genitalia. Others are parts of fallopian tube. 14. Observe the diagram given below showing the sectional view of the female reproductive system and name the parts labelled 'A', 'B', 'C' & 'D'. (Score: 2)  Answer A= Endometrium / Uterus B= Ovary C= Isthmus of fallopian tube D= Ampulla of fallopian tube 15. Name the following: (Score: 2) a. Finger like projections of oviduct that helps in collection of the ovum after ovulation. b. The part of oviduct with a narrow lumen that joins the uterus. c. Funnel shaped part of oviduct that is closer to the ovary.  Answer a. Fimbriae b. Isthmus c. Infundibulum 16. Cervical canal and vagina forms .................. (Score: 1)  Answer: Birth canal. 17. Note the relationship between the first two terms and fill the fourth place. (Score: 2) a. Male primary sex organ: Testes Female primary sex organ: ..................... b. Seminiferous tubules: Sperm Graafian follicles: .................. c. Leydig cells: testosterone Corpus luteum: ...................  Answer a. Ovary b. Ovum c. Progesterone 18. The uterine wall has 3 layers. (Score: 2) a. Name them in the sequence of outer to inner. b. Which layer is glandular and vascular?  Answer a. Perimetrium, Myometrium & Endometrium. b. Endometrium. 19. Given below are some structures regarding reproductive system. Uterus, Mons pubis, labia majora, fimbriae, labia minora, Prostate, cervical canal, hymen, fallopian tubes, clitoris, Ovarian stroma a. Select the parts of female external genitalia. b. There is a structure that is not the part of female reproductive system. Pick out it. (Score: 2)  Answer a. Mons pubis, labia majora, labia minora, hymen & clitoris. b. Prostate. 20. Match the column A with column B. (Score: 2) Column A Column B (a) Mons pubis 1. Large, fleshy, fatty and hairy outer folds of vagina. (b) Labia majora 2. A membrane which partially covers the vaginal opening. (c) Labia minora 3. A cushion of fatty tissue covered by pubic hair. (d) Hymen 4. Small, thin and hairless inner folds of vagina.  Answer Column A Column B (a) Mons pubis 3. A cushion of fatty tissue covered by pubic hair. (b) Labia majora 1. Large, fleshy, fatty and hairy outer folds of vagina. (c) Labia minora 4. Small, thin and hairless inner folds of vagina. (d) Hymen 2. A membrane which partially covers the vaginal opening. 21. The hymen is not a reliable indicator of virginity or sexual experience. Do you agree? Justify. (Score: 2)  Answer Yes. Hymen may be broken by a sudden fall or jolt, insertion of a vaginal tampon; active participation in some sports items etc. In some women, hymen persists after coitus. 22. A highly sensitive female organ lying just in front of the urethral opening is called ............... (Score: 1)  Answer: Clitoris. 23. The mammary glands are paired structures (breasts) that contain glandular tissue and variable amount of
© www.bankofbiology.com All rights reserved. 03 fat. Rearrange the following parts of mammary glands in the correct sequence of milk conduction: (Score: 2) Mammary tubules → mammary alveoli → lactiferous duct → mammary ampulla → mammary duct.  Answer Mammary alveoli → Mammary tubules → mammary duct → mammary ampulla → lactiferous duct. GAMETOGENESIS 24. Complete the flowchart showing spermatogenesis by filling A and B and answer the questions. A → Primary spermatocyte → Secondary spermatocytes → B → Spermatozoa a. What is the chromosome number of primary spermatocytes? b. What is the significance of reduction division in spermatogenesis? (Score: 2)  Answer A – Spermatogonia B – Spermatids (A) 46 (B) It produces haploid (23 chromosomes) sperms. 25. Prepare a flowchart explaining the process of spermatogenesis/ oogenesis. (Score: 3)  Answer Spermatogenesis Oogenesis 26. Observe the diagram: (Score: 3) a. Identify A and B. b. What is the function of C? c. In which of the marked part,reduction division takes place? What is its significance?  Answer a. A – sperm B – Spermatogonium b. C (Sertoli cells) provides nutrition to germ cells. c. D (Primary spermatocyte). Reduction division leads to formation of haploid gametes. 27. Match the following: (Score: 3) A B C Spermatogenesis Formation of ovum Follicle cells Spermiogenesis Sperm head embedded in Sertoli cells Starts from spermatogonia Spermiation Formation of sperms Differentiation of sperms Oogenesis Spermatids to sperms Release of mature sperms to lumen of seminiferous tubules  Answer A B C Spermatogenesis Formation of sperms Starts from spermatogonia Spermiogenesis Spermatids to sperms Differentiation of sperms Spermiation Sperm head embedded in Sertoli cells Release of mature sperms to lumen of seminiferous tubules Oogenesis Formation of ovum Follicle cells 28. The following statements compare the process of oogenesis & spermatogenesis. Which one is not true? (A) Production of ovum ceases at certain ages, but sperm production continues even in old men. (B) Oogenesis begins in the embryonic stages, but spermatogenesis starts at the onset of puberty. (C) Meiotic arrest occurs both in oogenesis and spermatogenesis. (D) Polar bodies are formed in oogenesis. (Score: 1)  Answer