Question

D. Give reasons for each of the following.
1. Wool is ideal for making winter clothing.
2. Sheep are usually sheared during warm weather.
3 Wool industry workers often develop sorter's disease.
4. Silkworm cocoons are boiled or steamed before silk extraction.
5. Some varieties of sheep are selectively bred.​

Answer 1

Explanation:

1. because they are bad conductors of heat.

2. otherwise they will die, because of cold weather.

3. wool can sometimes contain a disease so while sorting wool it gets communicated to our body.

4. so that the cocoons can change into fibres.

5. this is done for getting good quality of wool, if the seep are of good breed we can get a perfect wool