CBSE NCERT Solutions for Class 7 Science Chapter 3

NCERT science solutions for class 7 helps the students to understand the topics.The solution is provided below to help 7th standard students understand the concepts more effectively.

CBSE NCERT Solutions for Class 7 Science Chapter 3:


What is meant by the following terms?
(i) Rearing (ii) Shearing (iii) Sericulture


(i) Rearing: It means taking care of herds of animals which includes feeding,
grazing, breeding, etc. for economical purpose like meat and other useful products.
(ii) Shearing: The removal of fleece of the sheep along with a thin layer of skin
from its body is called shearing.
(iii) Sericulture: The rearing of silkworms to obtain silk economically is called


You must be familiar with the following nursery rhymes:
(i) ‘Baa baa black sheep, have you any wool.’
(ii) ‘Mary had a little lamb, whose fleece was white as snow
Answer the following:
(a) Which parts of the black sheep have wool?
(b) What is meant by the white fleece of the lamb?


(a) The hairy skin i.e. fleece of the black sheep have wool.
(b) White fleece means the white coloured hair of the lamb.


Which of the following does not yield wool?
(i) Yak (ii) Camel (iii) Goat (iv) Woolly dog


(iv) Woolly dog