NCERT Class VII Science Solution: Chapter 3-Fibre to Fabric Part 1

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Question 1:

You must be familiar with the following nursery rhymes:

  1. ‘Baa baa black sheep, have you any wool.’

  2. ‘Mary had a little lamb, whose fleece was white as snow.’

Answer the following:

  1. Which parts of the black sheep have wool?

  2. What is meant by the white fleece of the lamb?

Answer:

The fine and soft under-hair that grows close to the skin of the sheep have wool.

As showing in images is a the skin of the sheep have wool

The Skin of the Sheep Have Wool

As showing in images is a the skin of the sheep have wool

White fleece of lamb means the colour of the fleece of lamb is white. The natural fleece of sheep and goats is black, brown or white.

As showing in images is a colour of the fleece of lamb is white.

Colour of the Fleece of Lamb is White

As showing in images is a colour of the fleece of lamb is white.

Question 2:

The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option.

  1. a

  2. b

  3. Both a and b

  4. Neither a nor b.

Answer:

C. Both a and b

This image shows caterpillar/larva

Caterpillar or Larva

This image shows caterpillar/larva