Draw a diagram to show the life cycle of a silk moth.

Mention the steps in silk production.

What adverse effects are observed on the health of workers in the silk industry?

Why is sheep shearing not done during the cold season?

Does shearing hurt the sheep?

Animal activists oppose the present process of getting silk from the cocoon. Why do you think they are against it?

Which of these fabrics traps air the most - silk, wool or cotton? What is the effect of this on the property of the fabric made from this fibre?