Question

State whether the following statements are True or False. If false, correct them.

(a) Silkworms are caterpillars of the silk moth.

(b) In India, camels and goats are generally reared for obtaining wool.

(c) The rearing of silkworms for obtaining silk is called silviculture.

(d) In the process of obtaining wool from fleece, sorting is done after scouring.

(e) Yak hair is not used to make woolen fabric.

Answer 1

a) Silkworms:

1. Silkworms are the caterpillars of the silk moth.
2. It is used to obtain silk and the rearing of silkworms to obtain silk is known as sericulture.

b) Wool production:

1. In India, sheep are generally reared to obtain wool.
2. Wool obtained can be used to make woolen clothes.
3. Camels and goats are not used for wool generation.
4. In very rare cases, goats are reared to obtain wool.

c) Sericulture:

1. The rearing of silkworms for obtaining silk is called sericulture.
2. Domestic silkmoth or Bombyx mori is the most common species used in sericulture.

d) Processing of wool:

1. Sheared skin is scoured and the dried hair and fibers are sent to the factory.
2. After this, different textured hairs are separated and this process is known as sorting.

e) Yak hair is used to make woolen fabric and it is very comfortable to wear in the winter season.

Final answer:

a) The given statement is true.

b) The given statement is false.

c) The given statement is false.

d) The given statement is true.

e) The given statement is false.