MCQ Questions for Class 10 Science How do Organisms Reproduce? with Answers




Class 10 Science MCQs Chapter 8 How do Organisms Reproduce?

1. During favourable conditions, Amoeba reproduces by
(a) multiple fission
(b) binary fission
(c) budding
(d) fragmentation

Answer

Answer: b

2. A feature of reproduction that is common to Amoeba, Yeast and Spirogyra is that
(a) they reproduce asexually
(b) they are all unicellular
(c) they reproduce only sexually
(d) they are all multicellular

Answer

Answer: a

3. The ability of a cell to divide into several cells during reproduction in Plasmodium is called
(a) budding
(b) multiple fission
(c) binary fission
(d) reduction division

Answer

Answer: b

4. Bryophyllum can be propagated vegetatively by the
(a) stem
(b) leaf
(c) root
(d) flower

Answer

Answer: b

5. Vegetative propagation refers to formation of new plants from
(a) stem, flowers and fruits
(b) stem, leaves and flowers
(c) stem, roots and flowers
(d) stem, roots and leaves

Answer

Answer: d

6. In a potato, vegetative propagation takes place by:
(a) root
(b) leaf
(c) stem tuber
(d) grafting

Answer

Answer: c

7. Vegetatively propagated plants
(a) do not bear roots
(b) do not bear buds
(c) are genetically similar
(d) are genetically dissimilar

Answer

Answer: c

8. Spirogyra reproduce by
(a) budding
(b) fragmentation
(c) regeneration
(d) fission

Answer

Answer: b

9. In Rhizopus, tubular thread like structures bearing sporangia at their tips are called
(a) filaments
(b) hyphae
(c) rhizoids
(d) roots

Answer

Answer: b

10. Plants like banana, rose, jasmine, orange have lost the capacity to produce
(a) seeds
(b) buds
(c) flower
(d) roots

Answer

Answer: a

11. The flower of the Hibiscus plant is
(a) bisexual
(b) unisexual
(c) neuter
(d) very small

Answer

Answer: a

12. The part of the flower which is present in the centre of the flower is
(a) Sepals
(b) Petals
(c) Carpels
(d) Stamens

Answer

Answer: c

13. The seed that contains the future plant is called the
(a) cotyledons
(b) seed coat
(c) germ cells
(d) embryo

Answer

Answer: d

14. The period of pregnancy is called
(a) gestation period
(b) incubation period
(c) ovulation
(d) menstruation period

Answer

Answer: a

15. The process of release of eggs from the ovary is called
(a) menstruation
(b) reproduction
(c) insemination
(d) ovulation

Answer

Answer: d

16. The period during adolescence when the reproductive tissues begin to mature is called
(a) ovyfetion
(b) puberty
(c) germination
(d) propagation

Answer

Answer: b

17. In human beings, the fertilization occurs in the
(a) uterus
(b) ovaries
(c) fallopian tubes
(d) vagina

Answer

Answer: c

18. Along the path of the vas-deferens the secretions of which gland provide nutrition to the sperms?
(a) Prostate glands
(b) Seminal vesicles
(c) Scrotum
(d) Urinary bladder

Answer

Answer: b

19. The embryo in humans gets nutrition from the mother’s blood with the help of a special tissue called
(a) Placenta
(b) Villi
(c) Uterus
(d) Womb

Answer

Answer: a

20. Which among the following diseases is not sexually transmitted?
(a) Syphyllis
(b) Hepatitis
(c) HIV-AIDS
(d) Gonorrhea

Answer

Answer: b

21. Which of the following method of contraception protects from acquiring sexually trans¬mitted diseases?
(a) Surgery
(b) Condoms
(c) Copper-T
(d) Oral-pills

Answer

Answer: b

22. In human males, the testes lie in the scrotum, because it helps in the
(a) process of mating
(b) formation of sperms
(c) easy transfer of gametes
(d) secretion of estrogen

Answer

Answer: b

Fill in the Blanks

1. The process of reproduction involving only one cell or one parent is called ………….. .
2. ………….. is a duct coming from the urinary bladder which carries sperms.
3. Process of fertilization takes place in the ………….. tube in humans.
4. ………….. is the ability of an organism to replace its lost body parts.
5. ………….. is called the production of new plants from stems, roots or leaves.
6. ………….. is the term used to refer to the commencement of menstruation at puberty.
7. ………….. is the virus that causes AIDS.

Answers

1. Uniparental/ Asexual reproduction
2. Vas deferens
3. fallopian
4. Regeneration
5. Vegetative propagation
6. Menarch
7. HIV-Human Immuno Virus

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