Octahedral classes, kharadi

2nd floor, yashwant plaza, near bank of India,

REPRODUCTION MCQ
Class 10 - Science
Time Allowed: 1 hour and 30 minutes Maximum Marks: 75

1. Donkey is an example of [1]

a) Hermaphrodite b) intersex

c) Dioecious d) Monoecious
2. The ability of a cell to divide into several cells during reproduction in Plasmodium is called [1]

a) multiple fission b) budding

c) binary fission d) reduction division

3. Vegetative propagation refers to formation of new plants from [1]

a) stem, roots and flowers b) stem, flowers and fruits

c) stem, roots and leaves d) stem, leaves and flowers

4. Asexual reproduction takes place through budding in [1]

a) Leishmania b) Plasmodium

c) Yeast d) Amoeba
5. During adolescence, reproductive phase starts and: [1]

a) general growth rate begins to slow down b) the body weight is reduced

c) height becomes less d) hair growth decreases

6. In which of the following organisms, multiple fission is a means of asexual reproduction? [1]

a) Yeast b) Plasmodium

c) Leishmania d) Paramoecium
7. Select the STD caused by bacteria among the following. [1]

a) Giardiasis b) Hepatitis-B

c) Genital herpe d) Syphilis

8. The diagram shows a section through the male reproductive system. What is the function of part X? [1]

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 i. The secretion of the gland neutralises acids from urine.
ii. It decreases the number of sperms damaged during ejaculation.
iii. It stimulates uterine contraction to help sperms move forward into the fallopian tube.
iv. Both (i) and (ii)

a) Statement (iv) is correct. b) Statement (iii) is correct.

c) Statement (ii) is correct. d) Statement (i) is correct.

9. In which of the following animals external fertilization takes place? [1]

a) Fish and frog b) Donkey and fish

c) Man and snake d) Hen and dog

10. The two phases covering the first half and second half of the menstrual cycle are [1]

a) Secretory phase, ovulalion b) Proliferative phase, ovulation

c) Secretory phase d) Proliferative phase, secretory phase

11. Which of the following method of reproduction induces over-crowding in plants? [1]

a) Sexual reproduction b) Asexual reproduction

c) Tissue culture d) Vegetative Propagation

12. Pollen grains of wind-pollinated plants are: [1]

a) Heavy, sticky b) Light, spongy

c) Light, sticky d) Spongy, heavy

13. The correct sequence of reproductive stages seen in flowering plants is [1]

a) gametes, zygote, embryo, seedling b) gametes, embryo, zygote, seedling

c) zygote, gametes, embryo, seedling d) seedling, embryo, zygote, gametes

14. In vegetative reproduction, the new individuals are genetically: [1]

a) Better than the original b) Dissimilar

c) Similar d) Abnormal
15. Select the INCORRECT match (between the plant and its vegetative part) from the following : [1]

a) Bryophyllum, leaf b) Rose, root

c) Potato, stem d) Money-plant, stem

16. In the given diagram the leaf shown belongs to which plant? [1]

a) Hibiscus b) Money plant

c) Mustard d) Bryophyllum
17. The correct sequence of organs in the male reproductive system for transport of sperms is [1]

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 a) testis → urethra → ureter b) testis → ureter → urethra

c) testis → ureter → vasdeferens d) testis → vasdeferens → urethra

18. Which of the following is not an example of natural method of vegetative propagation in plants? [1]

a) Stem in case of Eichhornia and strawberry. b) Roots in case of sweet potato and Colocasia.

c) Stem in case of garlic and onion. d) Leaves in case of Bryophyllum and

Begonia.
19. In the list of organisms given below, those that reproduce by the asexual method are [1]
i. banana
ii. dog
iii. yeast
iv. Amoeba

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

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

20. Characters that are transmitted from parents to offspring during reproduction show - [1]

a) only variations with parents b) Both similarities and variations with parents

c) neither similarities nor variations d) only similarities with parents

21. In human beings, fertilization of ovum takes place in: [1]

a) Fallopian tubes b) Ovary

c) Uterus d) Vagina
22. To perform an experiment to identify the different parts of an embryo of a dicot seed, first of all you require a [1]
dicot seed. Select dicot seeds from the following group.
Wheat, gram, maize, pea, barley, ground-nut.

a) Gram, maize and ground-nut b) Wheat, gram and pea

c) Gram, pea and ground-nut d) Maize, pea and barley

23. A condom is a method of control that falls under the following category: [1]

a) Hormonal Method b) Mechanical method

c) Chemical Method d) Surgical Method

24. In binary fission, the parent cell divides by the process: [1]

a) The nucleus first divides then cytoplasm b) The cytoplasm and nucleus do not divide

c) The cytoplasm first divides then nucleus d) Cytoplasm and nucleus divide at same time
25. Where does the embryo develop in a human female? [1]

a) Seminal vesicles b) Fallopian tube

c) Vagina d) Uterus
26. To which type of disease Trichomoniasis belongs [1]

a) AIDS b) Lung disease

c) STD d) Cancer

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27. Which one out of the following sets of diagrams correctly depicts reproduction in Amoeba and Yeast? (Please [1]
change option images)

a) b)

c) d)

28. Upon observing slides showing stages of reproduction in Amoeba and Yeast, the student reported the following [1]
observations. The correct observations are:
A. Cytokinesis was seen in the yeast cell.
B. A chain of buds was seen due to reproduction in Amoeba.
C. In Amoeba, the elongated nucleus was dividing to form two daughter nuclei.
D. Single cells of Amoeba and Yeast were undergoing binary fission and budding respectively.

a) C and D only b) A, C and D only

c) A and B only d) B only

29. Statement 1: Subcutaneous implant is a method of contraception and it is effective for a longer period. [1]
Statement 2: Capsules are inserted under the skin and they slowly release synthetic progesterone.

a) Both statements 1 and 2 are false. b) Statement 1 is true but statement 2 is false.

c) Both statements 1 and 2 are true and d) Both statements 1 and 2 are true but
statement 2 is the correct explanation of statement 2 is not the correct explanation of
statement 1. statement 1.
30. Which one of the following is not a part of the organ system to which the other three belong? [1]

a) Fallopian tube b) Epididymis

c) Vas deferens d) Semeniferous tubules

31. Match column I with column II and select the correct option from the codes given below. [1]

Column I Column II

(a) Riccia (i) Binary fission

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 (b) Planaria (ii) Budding

(c) Euglena (iii) Fragmentation

(d) Sycon (iv) Regeneration

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

c) (a) - (iii), (b) - (i), (c) - (iv), (d) - (ii) d) (a) - (ii), (b) - (iii), (c) - (i), (d) - (iv)
32. The stamen contains [1]

a) stigma b) sepal

c) ovule d) pollen grain

33. A Yeast cell in which budding occurs, it can have [1]

a) One bud cell b) Two bud cell

c) A chain of bud cells d) Three bud cell

34. In human females, an event that reflects the onset of the reproductive phase is [1]

a) growth of body b) changes in hair pattern

c) menstruation d) change in voice

35. At what stage of the menstrual cycle is a woman said to be fertile? [1]

a) Ovulation b) All of these

c) Secretary phase d) Proliferative phase

36. A bisexual flower contains: [1]

a) Stamens only b) Both stamens and carpels

c) Carpels only d) Either stamens or carpels

37. A feature of reproduction that is common to Amoeba, Spirogyra and Yeast is that [1]

a) They reproduce only sexually b) They are all unicellular

c) They are all multicellular d) they reproduce asexually

38. Part(s) of a flower which attracts insects for pollination is (are): [1]

a) sepals only b) petals only

c) petals and Sepals d) anther and Stigma

39. During adolescence, several changes occur in the human body. Mark one change associated with sexual [1]
maturation in boys

a) increase in height b) cracking of voice

c) loss of milk teeth d) weight gain

40. A group of organisms that can interbreed to produce fertile offspring is called [1]

a) order b) genus

c) species d) family
41. Factors responsible for the rapid spread of bread mould on slices of bread are [1]

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 i. a large number of spores
ii. availability of moisture and nutrients in bread
iii. presence of tubular branched hyphae
iv. formation of round shaped sporangia

a) (iii) and (iv) b) (i) and (ii)

c) (ii) and (iv) d) (i) and (iii)

42. Binary fission in some organisms occurs in definite orientation in relation to the cell structures. One such [1]
organisms is:

a) Leishmania b) Plasmodium

c) Amoeba d) Bacteria
43. A chain of Yeast cells forms because: [1]
A. Yeast cells do not separate after budding.
B. Daughter cells are unable to survive without parent cells.
C. Buds reproduce as soon as they are formed.
D. Daughter cells stick together with the help of mucus.

a) (B) b) (C)

c) (A) d) (D)
44. The plants that can be raised by the method of vegetative propagation are: [1]

a) Papaya, mustard, potato b) Banana, orange, mustard

c) Sugarcane, roses, grapes d) Sugarcane, mustard, potato

45. In generative fertilisation, a ________ fuses with a ________. [1]

a) Male gamete, Polar nucleus b) Female gamete, Secondary nucleus

c) Polar nucleus, Secondary nucleus d) Male gamete, Female gamete

46. Which among the following is not the function of testes at puberty? [1]
i. formation of germ cells
ii. secretion of testosterone
iii. development of placenta
iv. secretion of estrogen

a) (i) and (ii) b) (iii) and (iv)

c) (ii) and (iii) d) (i) and (iv)

47. Plants which bear unisexual flowers are: [1]

a) Mustard and Hibiscus b) Hibiscus and Watermelon

c) Mustard and Papaya d) Watermelon and Papaya

48. Which of the following is not a part of the female reproductive system in human beings? [1]

a) Fallopian Tubes b) Vas deferens

c) Uterus d) Ovary

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49. The organism in which an outgrowth on the parent body develops into a new individual is: [1]

a) Yeast b) Amoeba

c) Rhizopus d) Paramecium
50. A student decides to study the impact of removing certain flower parts on fruit formation in plant species X. He [1]
chooses three separate plants that are growing in the same plot under uniform conditions. The data is given in
the table below.

Plant Part removed Impact on formation

1 Anther 30% less fruit formed than average plan in the plot

2 Stigma No fruit formed

3 Petal No significant impact

Which of the following cannot be inferred from the above data?

a) Anthers and stigmas are crucial in sexual b) Species X relies com pletely on cross-
reproduction in species X. pollination.

c) Species X is likely to be wind-pollinated. d) Pollen grains are probably unable to

germinate if they land on other parts of the
carpel besides the stigma.
51. Which among the following diseases is not sexually transmitted? [1]

a) Syphilis b) HIV – AIDS

c) Hepatitis d) Gonorrhoea
52. In a flower, the parts that produce male and female gametes (germ cells) are [1]

a) stamen and style b) filament and stigma

c) anther and ovary d) stamen and anther

53. Which of the following is a characteristic of wind pollinated flowers? [1]

a) Flowers are small with nectar and fragrance. b) Pollen grains are light, small and dusty
whereas the stigma is hairy and feathery.

c) Pollen grains are heavy and dry whereas the d) Flowers are brightly coloured.
stigma is short and sticky.
54. When an organism breaks into a number of parts and each part develop into an individual, it is called: [1]

a) Regeneration b) Budding

c) Binary fission d) Spore formation

55. Which part of the flower forms the fruit? [1]

a) Only carpel b) Whole flower

c) Only stamens and carpel d) Only ovary

56. Offsprings formed as a result of sexual reproduction produce more variations because [1]

a) DNA copying is not accompanied by the b) sexual reproduction is a lengthy process.

creation of cellular apparatus.

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 c) genetic material is contributed by two d) genetic material is contributed by many
individuals of same species to produce a parents.
new generation.
57. When an X bearing sperm fertilises the egg, the resulting zygote has the following combination of [1]
chromosomes:

a) 22 + XX b) 44 + XY

c) 44 + XX d) 22 + XY
58. Which of the following statements is incorrect? [1]
i. Placenta allows exchange of materials between mother and fetus.
ii. The fetal part of the placenta consists of the cells of the chorion which produce projections called chorionic
villi.
iii. Antibody cannot cross the placenta from mother to fetus.
iv. Placenta secretes pregnancy hormones required for supporting fetal growth and metabolic changes in mother
during pregnancy.

a) Statement (ii) is correct. b) Statement (iii) is correct.

c) Statement (i) is correct. d) Statement (iv) is correct.

59. Reproduction is essential for living organisms in order to [1]

a) maintain growth b) continue the species generation after

generation

c) keep the individual organism alive d) fulfill their energy requirement

60. The number of chromosomes in parents and offsprings of a particular species undergoing sexual reproduction [1]
remain constant due to:

a) halving of chromosomes after zygote b) doubling of chromosomes after zygote

formation. formation.

c) halving of chromosomes at the time of d) doubling of chromosomes before gamete

gamete formation. formation.
61. The bacterial and the viral infections that may be caused due to unsafe sex respectively are: [1]

a) Gonorrhoea and Syphilis b) Warts and HIV-AIDS

c) HIV-AIDS and Warts d) Syphilis and Warts

62. Syphilis is caused by [1]

a) Mosquito b) Virus

c) Parasite d) Bacteria
63. The given diagram shows the carpel of an insect pollinated flower. What is the most likely reason for the non- [1]
germination of pollen grain Z?

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 i. Pollen grains X and Y were brought to the stigma earlier, therefore, their germination inhibited the
germination of pollen grain Z.
ii. Pollen grain Z was brought to the flower by wind, while pollen grains X and Y were brought to the flower by
insects.
iii. Pollen grain Z lacks protrusions that allow it to adhere properly onto the stigma surface.
iv. Pollen grain Z comes from a flower of an incompatible species.

a) Statement (iii) is correct. b) Statement (ii) is correct.

c) Statement (i) is correct. d) Statement (iv) is correct.

64. Which of the following is the correct sequence of events of sexual reproduction in a flower? [1]

a) Pollination, fertilisation, seedling, embryo b) Pollination, fertilization, embryo, seedling

c) Seedling, embryo, fertilisation, pollination d) Embryo, seedling, pollination, fertilisation

65. Fertilisation is the process of [1]

a) transfer of male gamete to female gamete b) adhesion of male and female reproductive
organs

c) the formation of gametes by a reproductive d) fusion of nuclei of male and female gamete
organ
66. Offspring formed as a result of sexual reproduction exhibit more variations because [1]

a) genetic material comes from two parents of b) genetic material comes from many parents
different species

c) sexual reproduction is a lengthy process d) genetic material comes from two parents of
the same species
67. Pseudopodia are [1]

a) long, tube-like structures coming out of the b) small hair-like structures present on
mouth. unicellular organisms.

c) false feet developed in some unicellular d) suckers which are attached to the walls of
organisms. the intestines.
68. During grafting, the portion of plant that is grafted is called- [1]

a) Slack b) Scion

c) stem d) stalk
69. In Rhizopus, tubular thread-like structures bearing sporangia at their tips are called [1]

a) filaments b) roots

c) rhizoids d) hyphae

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70. Which hormone causes contraction of the uterus during birth? [1]

a) Oxytocin b) Estrogen

c) Thyroxin d) Progesterone
71. Chlamydia is related to: [1]

a) Urethra b) Syphilis

c) Gonorrhea d) HIV
72. Select the incorrect statement. [1]
i. Carpel is a part of androecium.
ii. One non-motile male gamete is formed inside the tube during its growth through style.
iii. Synergids have filiform apparatus that guides the entry of pollen tube into the nucellus.
iv. All of these

a) Statement (i) is correct. b) Statement (ii) is correct.

c) Statement (iii) is correct. d) Statement (iv) is correct.

73. A slide showing several Amoeba was given to a student and was asked to focus the Amoeba undergoing binary [1]
fission. What will the student look for to correctly focus on a dividing Amoeba?

a) An Amoeba covered by a cyst and many b) An Amoeba with an elongated nucleus and
nuclei a constriction in the middle

c) An Amoeba with many pseudopodia and a d) A rounded Amoeba with rounded nucleus
small nucleus
74. Which of the following plants reproduce through spores? [1]

a) Rose b) Amoeba

c) Hydra d) Penicillin
75. Which one of the following is not a part of the human female reproductive system? [1]

a) Oviduct b) Ovary

c) Uterus d) Seminal vesicle

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