Chapter 9 Reproduction in Animals mcqs & important questions science | class 8th

MCQ Questions for Class 8 Science: Ch 9 Reproduction in Animals

1. Internal fertilization does not occur in

(a) human

(b) dog

(c) fish

(d) cow

► (c) fish

2. Every month ______________mature egg(s) are released from ovary.

(a) Four

(b) Three

(c) Two

(d) One

► (d) One

3. The animals that produce young ones are called

(a) Oviparous

(b) Viviparous

(c) Both

(d) None of these

► (b) Viviparous

4. Which of the following statements about the human female egg cell is incorrect?

(a) It is produced when a female reaches puberty.

(b) The two ovaries in a female alternately produce the egg cells.

(c) One egg cell is usually produced by a female every 28 days.

(d) An egg cell can live in the body of a female for about a month.

► (d) An egg cell can live in the body of a female for about a month.

5. Development of baby takes place inside

(a) Oviduct

(b) Cervix

(c) Uterus

(d) Vagina

► (c) Uterus

6. The cell formed after fertilisation is called

(a) Foetus

(b) Zygote

(c) An embryo

(d) None of these

► (b) Zygote

7. Female reproductive system contains ______ of ovaries.

(a) Single

(b) Four pair

(c) A pair

(d) Two pair

► (c) A pair

8. The first cloned sheep was named

(a) Molly

(b) Dolly

(c) Gamer

(d) Toto

► (b) Dolly

9. Which part within the uterus prevents the mixing of the blood of the foetus with that of the mother?

(a) Umbilical cord  

(b) Uterus wall                   

(c) Placenta                      

(d) Water sac

► (c) Placenta                      

10. Process of formation of spermatozoa is called

(a) Oogenesis

(b) Blast genesis

(c) Spermatogenesis

(d) Semen formation

► (c) Spermatogenesis

11. The testes produce male gametes called

(a) Metaphysic

(b) Sperms

(c) Ovum

(d) Zygote

► (b) Sperms

12. In asexual reproduction

(a) No parents are involved

(b) Four parents are involved

(c) One parent is involved

(d) Two parents are involved

► (c) One parent is involved

13. Which of the following is/are paired structure in human reproductive system?

(a) Ovary                         

(b) Testes              

(c) Fallopian tube  

(d) All of these

► (d) All of these

14. Type of reproduction in which fusion of male and female gametes takes place is called

(a) Cellular reproduction

(b) Asexual reproduction

(c) Vegetative reproduction

(d) Sexual reproduction

► (d) Sexual reproduction

15. Which of the following sequences is in the correct order?

(a) Zygote → Embryo → Foetus → Baby

(b) Zygote → Embryo → Baby → Foetus

(c) Embryo→ Zygote → Baby → Foetus

(d) Foetus → Zygote → Embryo → Baby

► (a) Zygote → Embryo → Foetus → Baby

16. Eggs are formed in the:

(a) Testes

(b) Penis

(c) Ovary

(d) None of these.

► (c) Ovary

17. In yeast, asexual reproduction takes place by

(a) Cutting

(b) Vegetative reproduction

(c) Budding

(d) Binary fission

► (c) Budding

18. Tadpole is the developing stage of:

(a) Dogs

(b) Cats

(c) Frogs

(d) Human

► (c) Frogs

19. The age between 13 years to 19 years is called

(a) Adult age

(b) Teenage

(c) Child age

(d) Growth age

► (b) Teenage

20. Which of the following can prevent sexually transmitted disease?

(a) Oral contraceptives

(b) Vasectomy

(c) Condom

(d) Veginal pills

► (c) Condom

21. The modes of reproduction in animals are

(a) Only one type

(b) Two types

(c) Three types

(d) Four types

► (b) Two types

22. How are Paramecium and Amoeba are similar?

(a) Unicellular.

(b) Does not have a nucleus.

(c) Reproduces by binary fission.

(d) Both (A) and (C)

► (d) Both (A) and (C)

23. Which of these organisms reproduce in the same way as yeast?

(a) Hydra                         

(b) Amoeba          

(c) Starfish                        

(d) Flatworm

► (a) Hydra                         

24. During mitosis

(a) One cell enlarge into one cell

(b) One cell divide into two cells

(c) One cell divide into four cells

(d) One cells divide into eight cells

► (b) One cell divide into two cells

Class 8 Science Chapter 9 Extra Questions and Answers Reproduction in Animals

Extra Questions for Class 8 Science Chapter 9 Reproduction in Animals with Answers Solutions

Reproduction in Animals Class 8 Extra Questions Very Short Answer Type

Question 1.
What is reproduction?
Answer:
Reproduction is the biological process by which new individual organisms are produced from their parents.

Question 2.
What is sexual reproduction?
Answer:
Reproduction which involves the fusion of male and female gametes is known as sexual reproduction.

Question 3.
What is fertilisation?
Answer:
The fusion of ova and sperm is called fertilisation.

Question 4.
What is a fertilised egg called?
Answer:
Zygote

Question 5.
What is asexual reproduction?
Answer:
The mode of reproduction in which only a single parent is involved.

Question 6.
Which mode of reproduction does take place in human beings?
Answer:
Sexual reproduction

Question 7.
How many partners involve in sexual reproduction?
Answer:
Two (Parents)

Question 8.
Name two animals in which asexual reproduction takes place.
Answer:
Hydra and yeast

Question 9.
Name the reproductive organs of male.
Answer:
A pair of testes, two spermducts and a penis.

Question 10.
Name the reproductive organs of female.
Answer:
A pair of ovaries, oviducts and uterus.

Question 11.
Name the modes of reproduction.
Answer:

• Sexual reproduction
• Asexual reproduction.

Question 12.
What is male gamete or sperm?
Answer:
The reproductive cell produced by male reproductive organs is called male gamete or sperm.

Question 13.
What is female gamete or ova?
Answer:
The reproductive cell produced by female reproductive organs is called female gamete or ova.

Question 14.
Which organ produces eggs or ovum?
Answer:
A pair of ovary.

Question 15.
Name the male gamete.
Answer:
Sperm

Question 16.
Name the female gamete.
Answer:
Ova or egg

Question 17.
Which male reproductive organ produces sperm?
Answer:
A pair of testes.

Question 18.
In which organ fertilisation take place in female?
Answer:
Fallopian tube

Question 19.
What are the two methods of asexual reproduction?
Answer:

• Budding
• Binary fission

Question 20.
Name two animals which undergo external fertilisation.
Answer:
Frog and fish

Question 21.
Name two animals which undergo internal fertilisation.
Answer:
Human being and cow

Question 22.
Which type of reproduction takes place in Amoeba?
Answer:
Asexual reproduction through binary fission.

Question 23.
What type of reproduction is cloning?
Answer:
Asexual reproduction

Question 24.
What is foetus?
Answer:
Foetus is a well developed embryo.

Question 25.
What is IVF technique of reproduction?
Answer:
It is fertilisation outside the body.

Question 26.
Give the full form of IVF.
Answer:
In vitro Fertilisation.

Question 27.
How are test tube babies born?
Answer:
Test tube babies are born through IVF technique.

Question 28.
What is cloning?
Answer:
Cloning is the production of exact copy of a part of or whole living body.