Human Reproduction NEET Questions for Class 12 Pdf Download :
Human Reproduction NEET Questions for NEET Entrance Examination is important for the aspirants. We have compiled a list of NEET Questions on Human Reproduction to give aspirants an idea about the intricacies of the NEET Exam. In these article we listed some of MCQ questions as per the entrance syllabus.
Our Human Reproduction Class 12 NEET Questions are basically practice Questions that are prepared purely based on the latest exam pattern and syllabus of the NEET entrance examination. These are a simulation of actual exams practising which aspirants can gauge their actual potential with below MCQ. These Human Reproduction previous year NEET questions Pdf help candidates analyse NEET Exams better and also, elevate your performance as practising these will let you apprehend the type of questions asked from human reproduction questions for NEET and the level of exam.
Human Reproduction NEET Questions and Answers Pdf :
1. Nutrition to developing sperms is provided by________
(1) epididymis
(2) nurse cells/sertoli cells
(3) interstitial cells
(4) Seminal glands
Answer: 2
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2. Main hormone after ovulation is______
(1) Progesterone
(2) Estrogen
(3) LH
(4) Estradiol
Answer: 1
3. After ovulation________
(1) only oestrogen increases
(2) only progesterone increases
(3) both oestrogen and progesterone increases
(4) progesterone increases but oestrogen decreases
Answer: 3
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4. Meiosis-II is completed in human female______
(1) at puberty
(2) at birth
(3) with fertilisation
(4) with follicular formation
Answer: 3
5. Pregnancy test is done by presence of_________
(1) hCG
(2) hPL
(3) Progesterone
(4) LH
Answer: 1
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6. Which of the following hypothalamic hormone stimulate the release of female reproductive hormone?
(1) GnRH
(2) Estradiol
(3) Progesterone
(4) FSH and LH
Answer: 1
7. Select the correct statement about menstrual cycle_____
(1) FSH on 12th day and LH on 15th day attains the peak level.
(2) Both FSH and LH attains the peak level about 14th day.
(3) Progesteron is maximum at 12th day.
(4) Estrogen is maximum at 6th day.
Answer: 2
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8. Hormones secreted by the placenta to maintain pregnancy are________
(1) hCG, hPL, progestogens, prolactin
(2) hCG, hPL, estrogens, relaxin, oxytocin
(3) hCG, hPL, progestogens, estrogens
(4) hCG, progestogens, estrogens, glucocorticoids
Answer: 3
9. Which of the following is correct regarding marked structure?
(1) A-Corpus luteum - secrete estrogen
(2) A-Corpus luteum - secrete progesterone
(3) B-Graafian follicle - theca covering
(4) C-Primary follicle - contains ovum
Answer: 2
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10. The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is_________
(1) Spermatogonia – Spermatid – Spermatocyte – Sperms
(2) Spermatocyte – Spermatogonia – Spermatid – Sperms
(3) Spermatogonia – Spermatocyte – Spermatid – Sperms
(4) Spermatid – Spermatocyte – Spermatogonia – Sperms
Answer: 3
11. A change in the amout of yolk and its distribution in the egg will affect________
(1) Fertilization
(2) Formation of zygote
(3) Pattern of cleavage
(4) Number of blastomeres produced
Answer: 3
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12. Which one of the following statements about human sperm is correct?
(1) Acrosome serves no particular function
(2) Acrosome has a conical pointed structure used for piercing and penetrating the egg, resulting in fertilisation
(3) The sperm lysins in the acrosome dissolve the egg envelope facilitating fertilisation
(4) Acrosome serves as a sensory structure leading the sperm towards the ovum
Answer: 3
13. The part of Fallopian tube closest to the ovary is_______
(1) Ampulla
(2) Isthmus
(3) Infundibulum
(4) Cervix
Answer: 3
14. Choose the correct option regarding this figure of sperm ?
(1) A – Genetic material, acrosome which secrets hormones and enzymes for penetration of egg membranes
(2) B – Has mitochondria and centriole to aid in movement
(3) C – Has centriole and flagella to aid in movement
(4) B – Only has mitochondria to help in propulsion
Answer: 2
15. The signals for parturition originate from_________
(1) Fully developed foetus only
(2) Placenta only
(3) Placenta as well as fully developed foetus
(4) Oxytocin released from maternal pituitary
Answer: 3
16. The second maturation division of the mammalian ovum occurs________
(1) In the Graafian follicle following the first maturation division
(2) Shortly after ovulation before the ovum makes entry into the Fallopian tube
(3) Until after the ovum has been penetrated by a sperm
(4) Until the nucleus of the sperm has fused with that of the ovum
Answer: 3
17. Correct order of spermatogenesis is_________
(1) Spermatocytes, Spermatogonia, Spermatid, Sperm
(2) Spermatogonia, Spermatid, Spermatocytes, Sperm
(3) Spermatid, Spermatogonia, Spermatocytes, Sperm
(4) Spermatogonia, Primary Spermatocytes, Sec. Spermatocytes, Spermatid, Sperm
Answer: 4
18. Hyaluronic acid which binds corona radiata cells is a_______
(1) Homopolysaccharide
(2) Amino acid
(3) Mucopolysaccharide
(4) Glycoprotein
Answer: 3
19. How many secondary spermatocytes will form 400 spermatozoa_________
(1) 100
(2) 400
(3) 40
(4) 200
Answer: 4
20. Fertilization in humans is practically feasible only if___________
(1) the sperms are transported into vagina just after the release of ovum in fallopian tube
(2) the ovum and sperms are transported simultaneously to ampullary isthmic junction of the fallopian tube
(3) the ovum and sperms are transported simultaneously to ampullary - isthmic junction of the cervix
(4) the sperms are transported into cervix within 48 hrs of release of ovum in uterus
Answer: 2
21. Select the incorrect statement___________
(1) FSH stimulates the sertoli cells which help in spermiogenesis
(2) LH triggers ovulation in ovary
(3) LH and FSH decrease gradually during the follicular phase
(4) LH triggers secretion of androgens from the Leydig cells
Answer: 3
22. What would happen if vasa deferentia of man are cut_______
(1) Sperms become non nucleated.
(2) Spermatogenesis does not occur.
(3) Semen is without sperms.
(4) Sperm are non motile.
Answer: 3
23. If the epididymis is being removed, then what will happen ?
(1) Short life span of sperm
(2) Early cross the pathway
(3) Functional maturation is early
(4) Sperm will be incapable for fertilization
Answer: 4
24. Which is not correct about sustentacular cells_________
(1) It is situated in between the germinal epithelial cells
(2) It is related with the nutrition of sperm
(3) It forms blood testis barrier
(4) It forms testeterone from oestrogen
Answer: 4
25. If somatic chromosomes number is 40. What shall be chromosomal number in the cell of seminiferous tubules________
(1) 40
(2) 20
(3) 10
(4) 40 and 20
Answer: 4
26. If cowper's gland is removed which of the following will be affected________
(1) Sexual attraction
(2) Capacitation of sperms
(3) Hardness of penis
(4) Copulation and fertilization
Answer: 4
27. Which of the following releases inhibin to control spermatogenesis ?
(1) Rete testis
(2) Follicular cells
(3) Leydig's cells
(4) Sustentacular cells
Answer: 4
28. The sperm producing substance of enzymatic nature of sperm lysine. In mammals it is called______
(1) Hyaluronidase
(2) Hyaluronic acid
(3) Androgamone
(4) Gyanogamone
Answer: 1
29. The difference between spermiogenesis and spermiation is_______
(1) In spermiogenesis spermatids are formed, while in spermiation spermatozoa are formed.
(2) In spermiogenesis spermatozoa are formed, while in spermiation spermatids are formed.
(3) In spermiogenesis spermatozoa from Sertoli cells are released into the cavity of seminiferous tubules, while in spermiation spermatozoa are formed.
(4) In spermiogenesis spermatozoa are formed, while in spermiation spermatozoa are released from Sertoli cells into the cavity of seminiferous tubules.
Answer: 4
30. The amnion of mammalian embryo is derived from______
(1) ectoderm and mesoderm
(2) endoderm and mesoderm
(3) mesoderm and trophoblast
(4) ectoderm and endoderm
Answer: 1
31. Changes in GnRH pulse frequency in females is controlled by circulating levels of_______
(1) estrogen and progesterone
(2) estrogen and inhibin
(3) progesterone only
(4) progesterone and inhibin
Answer: 1
32. Identify the correct statement on 'inhibin' _______
(1) Inhibits the secretion of LH, FSH and Prolactin.
(2) Is produced by granulose cells in ovary and inhibits the secretion of FSH.
(3) Is produced by granulose cells in ovary and inhibits the secretion of LH.
(4) Is produced by nurse cells in testes and inhibits the secretion of LH.
Answer: 2
33. Which of the following depicts the correct pathway of transport of sperms ?
(1) Rete testis -----> Vas deferens -----> Efferent ductules -----> Epididymis
(2) Efferent ductules -----> Rete testis -----> Vas deferens -----> Epididymis
(3) Rete testis -----> Efferent ductules -----> Epididymis -----> Vas deferens
(4) Rete testis -----> Epididymis -----> Efferent ductules -----> Vas deferens
Answer: 3
34. Capacitation occurs in_________
(1) Epididymis
(2) Vas deferens
(3) Female reproductive tract
(4) Rete testis
Answer: 3
35. A temporary endocrine gland in the human body is_________
(1) Corpus cardiacum
(2) corpus luteum
(3) Corpus allatum
(4) Pineal gland
Answer: 2
36. GnRH, a hypothalamic hormone, needed in reproduction, acts on_________
(1) anterior pituitary gland and stimulates secretion of LH and FSH.
(2) posterior pituitary gland and stimulates secretion of oxytocin and FSH.
(3) posterior pituitary gland and stimulates secretion of LH and relaxin.
(4) anterior pituitary gland and stimulates secretion of LH and oxytocin.
Answer: 1
37. Primary spermatocytes_________
(1) are formed by sertoli cells
(2) are formed by spermatogonia by meiosis division
(3) give rise to haploid secondary spermatocyte
(4) give rise to spermatids directly
Answer: 3
38. It is a diagrammatic sectional view of male reproductive system, In which identify common duct which forms from the fusion of duct of seminal vesicle and vasdeferens :
(1) A
(2) B
(3) D
(4) C
Answer: 1