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Zoology - Human Reproduction Practice Question Paper

12th Standard

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Biology

Time : 01:00:00 Hrs
Total Marks : 50
    7 x 1 = 7
  1. The foetal membrane that forms the basis of the umbilical cord is _____.

    (a)

    Allantois

    (b)

    Amnion

    (c)

    Chorion

    (d)

    Yolk sac

  2. The Androgen Binding Protein (ABP) is produced by ________.

    (a)

    Leydig cells

    (b)

    Hypothalamus

    (c)

    Sertoli cells

    (d)

    Pituitary gland

  3. Spermatid \(\overset { A }{ \rightarrow }\) Spermatozoa what does 'A' stands for?

    (a)

    Spermatogenesis

    (b)

    Spermiation

    (c)

    Spermiogenesis

    (d)

    Gametogenesis

  4. ______ is popularly known as sperm lysin.

    (a)

    Inhibitin

    (b)

    Hyaluronidase

    (c)

    Androgen

    (d)

    Acrosome

  5. The dividing embryo takes ______ days to move to the uterus from the fallopian tube.

    (a)

    10

    (b)

    15

    (c)

    4-5

    (d)

    2

  6. _____ is the birth canal.

    (a)

    Cervix

    (b)

    Cervical canal

    (c)

    Uterus

    (d)

    Vagina

  7. The type of antibodies present in colostrum.

    (a)

    Ig E

    (b)

    Ig M

    (c)

    Ig A

    (d)

    Ig B

  8. 1 x 1 = 1
  9. (i) PPL helps in lactation             
    (ii) hCS helps in fertilization           
    (iii) Egg is the largest human cell
    (iv) 14th day of menstrual cycle is the ovulatory phase
    (a) i, iv 
    (b) ii and iii 
    (c) I, ii and iv 
    (d) i, iii, iv

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    i, iii, iv

  10. 1 x 2 = 2
  11. Assertion: By 36th week, the baby is positioned into pelvis for parturition
    Reason: The Braxter -Hick's contractions will begin for parturition.
    Codes:
    A. A and R are true, R is the correct explanation of A
    B. A and R are true, R is not the correct explanation of A
    C. A is true, R is false
    D. Both A and R are false

  12. 1 x 2 = 2
  13. (a) Axoneme
    (b) Mitochondria
    (c) acrosome
    (d) fertilization membrane

  14. 1 x 2 = 2
  15. (i) Dizygotic twins Two sperms
    (ii) Epiblast Gastrula
    (iii) Amnion Umbilical cord
    (iv) Colostrum I g A antibodies

    (a) i, ii and iv
    (b) i and iv
    (c) iii and iv
    (d) ii and iii 

  16. 2 x 2 = 4
  17. Release of ovum from follicle is called _____

  18. Surgical removal of testis is called ______

  19. 1 x 2 = 2
  20. (i) For fertilization to occur, the egg must be transported earlier to the fallopian tube.
    (ii) Twins are formed because fertilization membrane is formed later.
    (iii) Binding of sperms to receptor molecules in zona. Pellucida is seen during fertilization
    (iv) Morula is formed before blastocyst
    (a) All the above
    (b) i, iii and iv
    (c) i and ii
    (d) ii and iv

  21. 1 x 1 = 1
  22. (i) Amenorrhoea Short cycle
    (ii) Dysmenorrhoea Uterine fibroids
    (iii) Oligomenorrhoes Pain
    (iv) Polymenorrhoea Psychological disturbances

    (a) i, ii and iv
    (b) ii and iii
    (c) ii and iv
    (d) i, ii and iii

  23. 5 x 2 = 10
  24. At what stage of development are the gametes formed in new born male and female?

  25. Define Gametogenesis.

  26. Name the accessory ducts associated with male reproductive system.

  27. Enumerate the functions of reproductive system.

  28. What is placenta?

  29. 3 x 3 = 9
  30. Name the hormones produced from the placenta during pregnancy.

  31. What is acrosome?

  32. "Role of hormones in spermatogenesis" - comment on the statement.

  33. 2 x 5 = 10
  34. Identify the given image and label its parts marked as a, b, c and d

  35. Write a note on embryonic membranes

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