Class 10 How Do Organisms Reproduce MCQ – Term 2

Hi Everyone!! This article will share Class 10 How Do Organisms Reproduce MCQ – Term 2.

In my previous post, I have shared MCQs of Carbon and Its Compounds so, make sure to check that post as well.

Class 10 How Do Organisms Reproduce MCQ – Term 2

1. Reproduction is essential for living organisms in order to

(a) continue the species generation after generation.
(b) maintain growth.
(c) fulfil their energy requirement.
(d) keep the individual organism alive.

2. Offspring formed as a result of se*ual reproduction exhibit more variations because

(a) se*ual reproduction is a lengthy process.
(b) genetic material comes from two parents of same species.
(c) genetic material comes from two parents of different species.
(d) genetic material comes from many parents.

3. Characters transmitted from parents to offspring are present in

(a) cytoplasm
(b) protoplasm
(c) gemmule
(d) genes

4. Which of the following statements is not correct about reproduction?

(a) Reproduction creates more individuals.
(b) Reproduction is not necessary to maintain the life of an individual.
(c) Animals reproduce only by se*ual mode of reproduction.
(d) Lot of energy is spent during reproduction.

5. During favourable conditions, Amoeba reproduces by

(a) Budding
(b) Binary fission
(c) Multiple fission
(d) Fragmentation

6. Ase*ual reproduction is

(a) a method in which more than one parent are involved.
(b) a method by which all types of organisms reproduce.
(c) a method producing genetically identical offspring.
(d) a fusion of specialized cells.

7. In the list of organisms given below, those which reproduce by ase*ual method are:
(i) banana (ii) yak (iii) yeast (iv) Amoeba

(a) (ii) & (iv)
(b) (i), (iii) & (iv)
(c) (i) & (iv).
(d) (ii), (iii) & (iv)

8. A unicellular organism which reproduces by budding is:

(a) Hydra
(b) Spirogyra
(c) Yeast
(d) Planaria

9. A multicellular organism which reproduces by budding is:

(a) Hydra
(b) Amoeba
(c) Yeast
(d) Leishmania

10. The disease kala-azar is caused by a microorganism known as:

(a) Leech
(b) Planaria
(c) Plasmodium
(d) Leishmania

Class 10 How Do Organisms Reproduce MCQ – Term 2

11. One of the following organisms does not reproduce by binary fission:

(a) Plasmodium
(b) Paramecium
(c) Amoeba
(d) Leishmania

12. The ability of an organism to develop whole body from a broken piece or fragment is called:

(a) Budding
(b) Binary fission
(c) Regeneration
(d) Fragmentation

13. Characters that are transmitted from parents to offspring during reproduction show

(a) only variations with parents.
(b) only similarities with parents.
(c) neither similarities nor variations.
(d) both similarities and variations with parents.

14. One of the following organisms does not reproduce by budding:

(a) Hydra
(b) Planaria
(c) Yeast
(d) Sponge

15. A simple multicellular animal having tentacles which lives in freshwater usually reproduces by the ase*ual process of

(a) Spore formation
(b) Fragmentation
(c) Budding
(d) Binary fission

16. The reproductive parts of angiosperms are located in

(a) Root
(b) Flower
(c) Stem
(d) Leaf

17. The transfer of pollen grains from stamen to stigma is

(a) Fertilization
(b) Germination
(c) Pollination
(d) None of these

18. In a flower, the parts that produce male and female gametes are

(a) anther and ovary
(b) stamen and anther
(c) stamen and style
(d) filament and stigma

19. The triploid nucleus formed is called

(a) Endosperm
(b) Fruit
(c) Zygote
(d) Seed

20. Which of the following is not a part of the female reproductive system in human beings?

(a) Oviducts
(b) Ovary
(c) Vas deferens
(d) Uterus

Class 10 How Do Organisms Reproduce MCQ – Term 2

21. Which among the following is not the function of testes at puberty?
(i) Formation of germ cells
(ii) Secretion of testosterone
(iii) Development of placenta
(iv) Secretion of estrogen

(a) i & ii
(b) ii & iii
(c) iii & iv
(d) i & iv

22. Fertilisation results immediately in the formation of?

(a) a zygote
(b) a placenta
(c) an embryo
(d) a foetus

23. One of the following reproduces by forming spores. This in:

(a) Planaria
(b) Spirogyra
(c) Fern
(d) Potato

24. A feature of reproduction that is common to Amoeba, Yeast and Bacterium is that:

(a) they are all unicellular.
(b) they are all multicellular.
(c) they reproduce ase*ually.
(d) they reproduce se*ually.

25. Vegetative propagation refers to the formation of new plants from the following existing organs of the old plants:

(a) stems, roots and leaves
(b) stems, roots and flowers
(c) stems, leaves and flowers
(d) stems, flowers and fruits

26. Spore formation is the most common ase*ual method of reproduction in:

(a) fungi
(b) protozoa
(c) algae
(d) tubers

27. In Spirogyra, ase*ual reproduction takes place by:

(a) formation of a large number of buds
(b) division of a cell into two cells.
(c) breaking up of filaments into smaller bits.
(d) division of a cell into many cells.

28. The factors responsible for the rapid spreading of bread mould on slices of bread are:
(i) presence of large number of spores in air
(ii) presence of large number of thread-like branched hyphae
(iii) presence of moisture and nutrients
(iv) formation of round shaped sporangia

(a) i & iii
(b) ii & iv
(c) i & ii
(d) iii & iv

29. Artificial way to vegetative propagation is:

(a) Layering
(b) Grafting
(c) Cutting
(d) All of these

30. Which of the following statements are true for unise*ual flowers?
(i) They possess both stamen and pistil.
(ii) They possess either stamen or pistil.
(iii) They exhibit cross pollination.
(iv) Unise*ual flowers possessing only stamens cannot produce fruits.

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

Class 10 How Do Organisms Reproduce MCQ – Term 2

31. Stem cuttings are commonly used for propagation in:

(a) Jasmine
(b) Sugarcane
(c) Mango
(d) Cotton

32. Appearance of first menstruation is called

(a) Menstrual cycle
(b) Menopause
(c) Menarche
(d) All of these

33. In human females, an event that reflects onset of reproductive phase is

(a) Menstruation
(b) Changes in hair pattern
(c) Growth of body
(d) Change in voice

34. The sperm storage organ in human males is:

(a) Vas deferens
(b) Penis
(c) Testis
(d) Epididymis

35. The fate of placenta is to:

(a) provide support to embryo
(b) provide nutrition to embryo
(c) provide minerals to zygote
(d) none of these

36. Why are the testes located outside the abdominal cavity in scrotum?

(a) Because sperm formation requires a higher temperature
(b) Because sperm formation requires a lower temperature.
(c) Because sperm formation requires more spaces.
(d) None of these.

37. The correct sequence of organs in the male reproductive system for transport of sperms is

(a) testis—-vas deferens—-ureter
(b) testis—-vas deferens—-urethra
(c) testis—-ureter—-urethra
(d) testis—-urethra—-ureter

38. Which of the following is the correct sequence of events of se*ual reproduction in a flower?

(a) embryo, seedling, pollination, fertilisation
(b) seedling, embryo, fertilization, pollination
(c) pollination, fertilization, embryo, seedling
(d) pollination, fertilization, seedling, embryo

39. The number of chromosomes in parents and offspring of a particular species remains constant due to

(a) halving of chromosomes during gamete formation.
(b) halving of chromosomes after gamete formation.
(c) doubling of chromosomes after zygote formation.
(d) doubling of chromosomes after gamete formation.

40. The normal duration of menstrual cycle is:

(a) 3-4 days
(b) 7-8 days
(c) 13-15 days
(d) 28 days

Class 10 How Do Organisms Reproduce MCQ – Term 2

41. What is the puberty age in human males?

(a) 8-10
(b) 10-12
(c) 12-14
(d) 14-16

42. Which among the following is not se*ually transmitted?

(a) Hepatitis
(b) Syphillis
(c) Gonorrhoea
(d) HIV-AIDS

43. The female reproductive part of the flower consists of

(a) Stigma, Ovary, Style
(b) Style, Ovary, Thalamus
(c) Stigma, Anther, Filament
(d) Anther, Corolla, Filament

44. The process of the transfer of pollen grains from the flower of one plant to the stigma of the flower of another plant of the same species is known as

(a) Self-pollination
(b) Fertilisation
(c) Cross pollination
(d) None of the above

45. The process of release of the egg from the ovary is called:

(a) Ovulation
(b) Menstruation
(c) Oogenesis
(d) None of these

46. The normal body cell of an organism contains 28 pairs of chromosomes. The number of chromosomes present in its germ cell will be:

(a) 14
(b) 28
(c) 42
(d) 56

47. During adolescence, several changes occur in the human body. Mark one change associated with se*ual maturation in boys:

(a) weight gain
(b) increase in height
(c) cracking of voice
(d) loss of milk teeth

48. In human males, the testes lie in the scrotum, because it helps in the:

(a) easy transfer of gametes
(b) process of mating
(c) formation of sperm
(d) all of these

49. Examples of vegetatively reproducing plants are:

(a) cauliflower, onion, potato, tomato
(b) potato, ginger, onion, sugarcane
(c) tomato, lady’s finger, cauliflower, onion
(d) lady’s finger, onion, ginger, sugarcane

50. The correct sequence of reproductive stages seen in flowering plants is

(a) gamete, zygote, embryo, seedling
(b) seedling, embryo, zygote, gametes
(c) zygote, gametes, embryo, seedling
(d) gametes, embryo, zygote, seedling

Class 10 How Do Organisms Reproduce MCQ – Term 2

51. The part of a seed which grows and develops into root on germination is:

(a) plumule
(b) radicle
(c) cotyledon
(d) follicle

52. Fruit is formed from

(a) Ovary
(b) Stigma
(c) Stamen
(d) Ovule

53. Length of pollen tube depends on the distance between

(a) upper surface of stigma and lower part of style.
(b) pollen grain and upper surface of stigma.
(c) pollen grain on upper surface of stigma and ovule.
(d) pollen grain in anther and upper surface of stigma.

54. Which of the following statements are true for se*ual reproduction in flowering plants?
(i) It requires two types of gametes.
(ii) Fertilisation is a compulsory event.
(iii) It always results in formation of zygote
(iv) Offspring formed are clones.

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

55. The ratio of number of chromosomes in a human zygote and a human sperm is:

(a) 1:2
(b) 2:1
(c) 1:3
(d) 3:1

56. Which of the following is not a se*ually transmitted disease?

(a) Hepatitis
(b) AIDS
(c) Gonorrhoea
(d) Syphilis

57. One of the following is a surgical method which prevents the sperms from reaching the ovum and pregnancy does not occur. This method is:

(a) Condom
(b) Vasectomy
(c) Tubectomy
(d) IUCD

58. Which one of the following best describes the function of the umbilical cord? It:

(a) conveys nutrients and wastes to and from the embryo respectively.
(b) supplies oxygenated blood from the mother to the embryo.
(c) feeds the embryo with digested substances.
(d) removes waste matter from the embryo to the mother’s blood.

59. Which of the following method of contraception protects a person from acquiring a se*ually transmitted disease?

(a) Surgery
(b) Oral pills
(c) Condom
(d) Copper-T

60. One of the following processes does not lead to the formation of clones. This is:

(a) Tissue culture
(b) Fragmentation
(c) Fertilisation
(d) Fission

Class 10 How Do Organisms Reproduce MCQ – Term 2

61. The cut part of plant stem (having roots and fixed to ground) which is used in the process of grafting is known as:

(a) scion
(b) stock
(c) bud
(d) cutting

62. The two oviducts in a human female unite into an elastic bag like structure known as:

(a) Fallopian tube
(b) Uterus
(c) Vagina
(d) Cervix

63. In which of the following plant bud in notches of leaves help in its propagation?

(a) Bougainvillea
(b) Bryophyllum
(c) Radish
(d) Jasmine

64. The vas deferens receives duct from the seminal vesicle and opens into urethra as:

(a) epididymis
(b) ejaculatory duct
(c) efferent ductile
(d) ureter

65. The nutritive cells found in seminiferous tubules are

(a) Leydig cells
(b) Atretic follicular cells
(c) Sertoli cells
(d) Chromaffin cells.

66. Structure connecting the fetus to placenta is

(a) umbilical cord
(b) amnion
(c) yolk sac
(d) chorion

67. Why are both the vas deferens cut and tied in vasectomy?

(a) To stop the transport of sperms out to the female reproductive tract.
(b) To stop the sperm from fertilizing the secondary oocyte in oviduct.
(c) To stop sperm production.
(d) All the above

So, these were Class 10 How Do Organisms Reproduce MCQ – Term 2.