Question

9.
You must be familiar with the following nursery rhymes:
(1) 'Baa baa black sheep. have you any wool.'
(ii) Mary had a little lamb, whose fleece was white as snow.'
(a) Which parts of the black sheep have wool?
(b) What is meant by the white fleece of the lamb?
2. The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option
Exercises
1.
Answer the following:
DC
(iv) neither a nor b.
(i) a (ii) b (ii) both a and b
3. Which of the following does not yield wool?
(i) Yak (ii) Camel (iii) Goat (iv) Woolly dog
What is meant by the following terms?
(i) Rearing (ii) Shearing (iii) Sericulture
5.
Given below is a sequence of steps in the processing of wool. Which are
the missing steps? Add them.
Shearing,
sorting
6.
Make sketches of the two stages in the life history of the silk moth which
are directly related to the production of silk.
7.
Out of the following, which are the two terms related to silk production?
Sericulture, floriculture, moriculture, apiculture and silviculture,
Hints: (i) Silk production involves cultivation of mulberry leaves and
rearing silkworms.
(ii) Scientific name of mulberry is Morus alba.
8.
Match the words of Column I with those given in Column II:
Column I
Column II
1. Scouring
(a) Yields silk fibres
2. Mulberry leaves
(b) Wool yielding animal
3. Yak
(c) Food of silk worm
4.
Cocoon
(d) Reeling
(e) Cleaning sheared skin​

Answer 1

Baa baa black sheep. have you any wool.'

The skin of the black sheep has fur like hairs mainly at the back and abdomen, known as wool.

White fleece of the lamb means hairy skin of the sheep which is white in color.

The correct option is both a and b. Larva stages of all insects are called caterpillar. Silkworms are also a type of caterpillar of a particular moth species. Hence silkworms are both caterpillar and larva

Answer 2

Explanation:

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