Chapter 8 How do Organisms Reproduce | MCQ Question For Class 10 Science English Medium With Answers | SSLC 2021 Exam Preparation In English |

Chapter 8 How do Organisms Reproduce 

Multiple Choice Questions (MCQ) 

1. During favourable conditions, Amoeba reproduces by

(a) multiple fission

(b) binary fission

(c) budding

(d) fragmentation

Answer: (b) binary fission

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: (a) they reproduce asexually

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: (b) multiple fission

4. Bryophyllum can be propagated vegetatively by the

(a) stem

(b) leaf

(c) root

(d) flower

Answer: (b) leaf

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: (d) stem, roots and leaves

6. In a potato, vegetative propagation takes place by:

(a) root

(b) leaf

(c) stem tuber

(d) grafting

Answer: (c) stem tuber

7. Vegetatively propagated plants

(a) do not bear roots

(b) do not bear buds

(c) are genetically similar

(d) are genetically dissimilar

Answer: (c) are genetically similar

8. Spirogyra reproduce by

(a) budding

(b) fragmentation

(c) regeneration

(d) fission

Answer: (b) fragmentation

9. In Rhizopus, tubular thread like structures bearing sporangia at their tips are called

(a) filaments

(b) hyphae

(c) rhizoids

(d) roots

Answer: (b) hyphae

10. Plants like banana, rose, jasmine, orange have lost the capacity to produce

(a) seeds

(b) buds

(c) flower

(d) roots

Answer: (a) seeds

11. The flower of the Hibiscus plant is

(a) bisexual

(b) unisexual

(c) neuter

(d) very small

Answer: (a) bisexual

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: (c) Carpels

13. The seed that contains the future plant is called the

(a) cotyledons

(b) seed coat

(c) germ cells

(d) embryo

Answer: (d) embryo

14. The period of pregnancy is called

(a) gestation period

(b) incubation period

(c) ovulation

(d) menstruation period

Answer: (a) gestation period

15. The process of release of eggs from the ovary is called

(a) menstruation

(b) reproduction

(c) insemination

(d) ovulation

Answer: (d) ovulation

16. The period during adolescence when the reproductive tissues begin to mature is called

(a) ovyfetion

(b) puberty

(c) germination

(d) propagation

Answer: (b) puberty

17. In human beings, the fertilization occurs in the

(a) uterus

(b) ovaries

(c) fallopian tubes

(d) vagina

Answer: (c) fallopian tubes

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: (b) Seminal vesicles

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: (a) Placenta

20. Which among the following diseases is not sexually transmitted?

(a) Syphyllis

(b) Hepatitis

(c) HIV-AIDS

(d) Gonorrhea

Answer: (b) Hepatitis

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: (b) Condoms

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: (b) formation of sperms

Fill in the Blanks

1. The process of reproduction involving only one cell or one parent is called …………..

Answer : 1. Uniparental/ Asexual reproduction

2. ………….. is a duct coming from the urinary bladder which carries sperms.

Answer : 2. Vas deferens

3. Process of fertilization takes place in the ………….. tube in humans.

Answer : 3. fallopian

4. ………….. is the ability of an organism to replace its lost body parts.

Answer : 4. Regeneration

5. ………….. is called the production of new plants from stems, roots or leaves.

Answer : 5. Vegetative propagation

6. ………….. is the term used to refer to the commencement of menstruation at puberty.

Answer : 6. Menarch

7. ………….. is the virus that causes AIDS.

Answer : 7. HIV-Human Immuno Virus