NCERT Solutions for Class 8 Science Chapter 9

NCERT Solutions for Class 8 Science Chapter 9 Reproduction in Animals (अध्याय 9: जंतुओं में जनन) to Study online or View in Video Format or download free in PDF form updated for new academic session 2020-2021 based on new Books.

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NCERT Solutions for Class 8 Science Chapter 9

Chapter 9:Reproduction in Animals

Class 8 Science Chapter 9 Answers

NCERT Solutions for Class 8 Science Chapter 9 Reproduction in Animals is given below. Video Format solution and offline apps are also available for new academic session 2020-21. Download 8 Science App for offline use updated for session 2020-21.

Important Questions for Practice

1. Sets of reproductive terms are given below. Choose the set that has an incorrect combination.
(a) sperm, testis, sperm duct, penis
(b) menstruation, egg, oviduct, uterus
(c) sperm, oviduct, egg, uterus
(d) ovulation, egg, oviduct, uterus
2. In human beings, the correct sequence of events during reproduction is
(a) gamete formation, fertilisation, zygote, embryo
(b) embryo, zygote, fertilisation, gamete formation
(c) fertilisation, gamete formation, embryo, zygote
(d) gamete formation, fertilisation, embryo, zygote
3. In humans, the development of fertilised egg takes place in the
(a) ovary
(c) oviduct
(b) testis
(d) uterus
4. Animals exhibiting external fertilisation produce a large number of gametes. Pick the appropriate reason from the following.
(a) The animals are small in size and want to produce more offsprings.
(b) Food is available in plenty in water.
(c) To ensure better chance of fertilisation.
(d) Water promotes production of large number of gametes.
5. In human beings, after fertilisation, the structure which gets embedded in the wall of uterus is
(a) ovum
(c) foetus
(b) embryo
(d) zygote
6. Reproduction by budding takes place in
(a) hydra
(c) paramecium
(b) amoeba
(d) bacteria
7. Aquatic animals in which fertilisation occurs in water are said to be:
(a) viviparous without fertilisation.
(b) oviparous with external fertilisation.
(c) viviparous with internal fertilisation.
(d) oviparous with internal fertilisation.
8. In the list of animals given below, hen is the odd one out: human being, cow, dog, hen
The reason for this is
(a) it undergoes internal fertilisation.
(b) it is oviparous.
(c) it is viviparous.
(d) it undergoes external fertilisation.
9. After fertilisation, the resulting cell which gives rise to a new individual is the
(a) embryo
(c) foetus
(b) ovum
(d) zygote
10. Which of the following statements about reproduction in humans is correct?
(a) Fertilisation takes place externally.
(b) Fertilisation takes place in the testes.
(c) During fertilisation egg moves towards the sperm.
(d) Fertilisation takes place in the human female.

Answers of Important Questions (MCQ)

1 (c)
2 (a)
3 (d)
4 (c)
5 (b)
6 (a)
7 (b)
8 (b)
9 (d)
10 (d).

NCERT Solutions for Class 8 Science Chapter 9 Reproduction in Animals
NCERT Solutions for Class 8 Science Chapter 9 in PDF
Class 8 Science chapter 9 answers