Tiêu đề HUMAN REPRODUCTION.pdf ✅

Human Reproduction  Digital www.allendigital.in [ 115 ] THE MALE REPRODUCTIVE SYSTEM 1. Which one of the following is a primary sex organ of human male ? (1) Scrotum (2) Penis (3) Testis (4) Prostate gland 2. Secondary sex organ in human male is :- (1) testis (2) ovary (3) beard (4) vas deferens 3. Vasa efferentia connect the :- (1) testis with epididymis (2) kidney with urinary bladder (3) testis with scrotal wall (4) None of the above 4. In human, failure of testes to descend into scrotum is known as :- (1) paedogenesis (2) castration (3) cryptorchidism (4) impotency 5. Common duct formed by union of vas deferens and duct from seminal vesicle is :- (1) urethra (2) tunica vasculosa (3) ejaculatory duct (4) spermatic duct 6. Scrotum communicates with abdominal cavity through :- (1) urethra (2) inguinal canal (3) vas deferens (4) epididymis 7. Tunica albuginea is the covering around :- (1) oviduct (2) testis (3) kidney (4) heart 8. The functional unit of testis is :- (1) uriniferous tubules (2) malpighian tubules (3) seminiferous tubules (4) acini or lobules 9. Penile urethra traverses through :- (1) corpus cavernosum (2) corpus spongiosum (3) corpus callosum (4) corpus striatum 10. Seminiferous tubules are composed of :- (1) spermatogonia (2) glandular epithelium (3) sensory epithelium (4) germinal epithelium 11. In human, the testes are located in :- (1) abdominal cavity (2) thoracic cavity (3) extra-abdominal cavity (4) pericardial cavity 12. Bundles of erectile tissues in penis are :- (1) corpora cavernosa (2) corpus spongiosum (3) Both (1) & (2) (4) None of the above 13. Glans penis is covered by :- (1) areolar membrane (2) prepuce (3) metrium (4) None of these 14. In human, the testes occur in scrotal sacs, outside the viscera because of the :- (1) presence of urinary bladder (2) presence of rectum (3) long vas-deferens (4) requirement of low temperature for spermatogenesis 15. Read the following statements. (a) It is paired structure (b) It is present on lateral side of male urethra (c) It help in lubrication of penis In above statements 'it' refers to :- (1) seminal vesicle (2) Bartholin's gland (3) bulbourethral gland (4) prostate 16. Cells of Leydig occur in :- (1) liver (2) ovary (3) testis (4) spleen 17. Seminiferous tubules occur in the :- (1) liver (2) kidney (3) ovary (4) testis 18. Fructose is present in the secretion of:- (1) seminal vesicle (2) perineal gland (3) Cowper's gland (4) Bartholin's gland Exercise - I
NEET : Biology [ 116 ] www.allendigital.in  Digital 19. It is a diagrammatic sectional view of male reproductive system. Identify common duct which forms from the fusion of duct of seminal vesicle and vas deferens. B D C A (1) A (2) B (3) D (4) C 20. Temperature of scrotum as compared to abdominal cavity is less by :- (1) 10C (2) 50C (3) 30C (4) 100C 21. Outer coat of seminiferous tubules is composed of fibrous connective tissue and is called as :- (1) tunica propria (2) lamina propria (3) plica semilunaris (4) tunica albuginea 22. Secretions from which one of the following glands are rich in fructose, calcium and some enzymes ? (1) Salivary glands (2) Female sex accessory glands (3) Male sex accessory glands (4) Liver 23. Which is an unpaired gland of male reproductive system ? (1) Bartholin's gland (2) Seminal vesicle (3) Prostate gland (4) Cowper's gland 24. In human, maturation of sperms take place at a temperature :- (1) equal to that of body (2) higher than that of body (3) lower than that of body (4) at any temperature 25. Circumcission is the procedure of :- (1) cutting the glans penis (2) removal of whole skin of penis (3) removal of movable skin (prepuce) of glans penis (4) reduction of the body part of penis 26. Prostate gland produces a secretion for :- (1) attracting sperms (2) stimulating sperm activity (3) attracting egg (4) None of the above 27. Testes descend into scrotum in human for:- (1) spermatogenesis (2) fertilization (3) development of sex organs (4) development of visceral organs 28. Tunica vaginalis is found in :- (1) ovary of female (2) testis of male (3) vagina of female (4) None of the above 29. Spermatozoa are nourished during their development by :- (1) Sertoli cells (2) interstitial cells (3) connective tissue cells (4) None of the above 30. Release of sperms from testis is called as :- (1) spermiation (2) semination (3) insemination (4) ejaculation THE FEMALE REPRODUCTIVE SYSTEM 31. A secondary sexual character of human female is :- (1) breasts (2) ovaries (3) testes (4) thyroid gland 32. Which is not a secondary sex organ in human? (1) Vagina (2) Penis (3) Prostate (4) Mammary gland 33. At puberty, woman starts producing :- (1) sperms (2) urine (3) young ones (4) ova 34. Eggs from ovary are released in :- (1) oviduct (2) kidney (3) ureter (4) coelom 35. Lower narrow end of uterus is called as :- (1) urethra (2) cervix (3) clitoris (4) vulva 36. Germinal epithelial cells are cuboidal and these are found in :- (1) testes (2) ovaries (3) Both (1) & (2) (4) None of the above
Human Reproduction  Digital www.allendigital.in [ 117 ] 37. Degenerative process of follicles or eggs in ovary is called :- (1) metagenesis (2) atresia (3) regression (4) None of the above 38. Endometrium is lining of :- (1) testis (2) urinary bladder (3) uterus (4) ureter 39. Clitoris is present at the upper junction of :- (1) labia majora (2) mons pubis (3) perineum (4) labia minora 40. Which of the following is not related to vulva? (1) Mons veneris (2) Clitoris (3) Labia majora (4) Epididymis 41. Parturition canal in female is :- (1) uterus (2) oviduct (3) vagina (4) urethra SPERMATOGENESIS AND STRUCTURE OF HUMAN SPERM 42. During differentiation, the spermatids remain associated with :- (1) Leydig's cells (2) Kupffer's cells (3) Spermatogonia (4) Sertoli cell 43. In gametogenesis, reduction division takes place during :- (1) multiplication phase (2) growth phase (3) first maturation division (4) second maturation division 44. Which type of division takes place during second maturation division ? (1) Reduction division (2) Equational division (3) Amitosis (4) None of the above 45. Longest phase of spermatogenesis is :- (1) multiplication phase (2) growth phase (3) maturation phase (4) germinal phase 46. During spermatogenesis, how many spermatozoa are formed from a single primary spermatocyte ? (1) 1 (2) 2 (3) 4 (4) 8 47. Correct order of spermatogenesis is :- (1) Spermatids → Spermatogonium → Spermatocytes → Sperms (2) Spermatogonium → Primary spermatocyte → Secondary Spermatocytes → Spermatids→ Sperms (3) Primary spermatocyte → Spermatogonium → Secondary spermatocytes → Sperms → Spermatids (4) Spermatogonium → Secondary spermatocytes → Primary spermatocyte → Spermatids → Sperms 48. Which part of sperm is called power house ? (1) Head (2) Neck (3) Middle piece (4) Tail 49. The acrosome plays a role in :- (1) fusion of nuclei of gametes (2) motality of sperm (3) penetration of sperm into ovum (4) All of the above 50. The head of a mature sperm is mainly composed of :- (1) elongated nucleus and acrosomal material (2) mitochondria, cytoplasm and nucleus (3) two centrioles and the axial filament (4) All of the above 51. A mature sperm has :- (1) a pair of flagella (2) a nucleus, an acrosome and a centriole (3) a nucleus, an acrosome and a pair of centrioles (4) a nucleus, an acrosome and a pair of centrioles and a tail 52. Which part of the spermatid forms acrosome of sperm ? (1) Mitochondria (2) Golgi body (3) Nucleus (4) Lysosome 53. Which of the following sets of vitamins is essential for gametogenesis ? (1) Vitamin A and vitamin E (2) Vitamin C and vitamin D (3) Vitamin E and vitamin K (4) Vitamin E and vitamin B complex
NEET : Biology [ 118 ] www.allendigital.in  Digital OOGENESIS 54. At the time of birth, egg is arrested in the form of :- (1) oogonia (2) primary oocyte (3) secondary oocytes (4) ovum 55. A human female has the maximum number of primary oocytes in her ovaries :- (1) at menopause (2) at puberty (3) at birth (4) early in her fertile years 56. Egg is librated from ovary in human at :- (1) secondary oocyte stage (2) primary oocyte stage (3) oogonial stage (4) mature ovum stage 57. During oogenesis, first meiotic division starts in :- (1) first polar body (2) second polar body (3) primary oocyte (4) secondary oocyte 58. Which of the following are haploid cells ? (1) Primary spermatocytes and primary oocytes (2) Secondary spermatocytes and secondary oocytes (3) Spermatogonia and oogonia (4) Germinal cells. 59. The process of spermatogenesis and oogenesis in human are under the influence of which hormone ? (1) Oxytocin (2) FSH (3) ACTH (4) ICSH 60. During which stage of gametogenesis meiosis occurs? (1) Growth phase (2) Multiplication phase (3) Maturation phase (4) None of the above 61. The primary egg membrane of human egg is:- (1) chorion (2) corona radiata (3) zona pellucida (4) None of the above 62. Which of the following are diploid cells ? (1) Secondary spermatocytes (2) Spermatozoa and ova (3) Spermatogonia, oogonia and primary spermatocytes (4) Secondary oocytes 63. Stored food of oocyte is :- (1) nucleus (2) cytoplasm (3) corticle granules (4) yolk 64. Polar body is produced during the formation of :- (1) sperm (2) secondary oocyte (3) oogonium (4) spermatocytes INTERNAL STRUCTURE OF OVARY, OLLICULAR DEVELOPMENT AND MENSTRUAL CYCLE 65. Central stroma of ovary is made up of :- (1) fibrous connective tissue (2) reticular tissue (3) adipose connective tissue (4) None of the above 66. Ovarian follicles are present in :- (1) medulla (2) germinal epithelium (3) cortex (4) mesovarium 67. Graafian follicle contains :- (1) many oocytes (2) many sperms (3) a single oocyte (4) site for fertilisation of egg 68. In human, corpus luteum is found in :- (1) brain (2) ovary (3) liver (4) eyes 69. Antrum is filled with fluid and is found in :- (1) bone marrow of bone (2) cavity of brain (3) Graffian follicle of ovary (4) pericardium of heart 70. Which one of the following is fibrous layer of follicle ? (1) Theca externa (2) Zona pellucida (3) Membrana granulosa (4) Vitelline membrane