Yes, it is the correct answer as acrylic is a man made fibre. It is a synthetic fibre.

Yes, it is correct. The fibre obtained from Angora goat is called mohair. 

Yes, this is the correct answer as wool can be obtained from the hair of all of the above given animals.

Yes, it is the correct answer. Selective breeding is a process of selecting the parents for obtaining special characters in the offspring. Selective breeding is carried out in order to have sheep with soft hair.

The process of making fibres into wool follows – shearing, scouring, sorting, cleaning of burrs, dyeing, straightening, combing and the last step is rolling into a yarn. Hence, this answer is the correct option.

Yes, cotton is the most common fibre and is obtained from seeds of the cotton plant. Hence, it is known as a seed fibre.

Yes, the larvae, caterpillars or silkworms are stored in clean bamboo trays and are fed freshly chopped mulberry leaves.

Yes, it is correct. The warmth causes the silk fibre to separate from the rest of the cocoon. For this, any of the above given ways can be used.

Burrs are soft fluffy fibres in wool, which are removed manually. Hence, this option is correct.

Yes, the silk industry was born in China. Later, this was introduced in other countries by traders and travellers. They travelled for the first time through the silk route. Hence, this option is correct.

Nali and Lohi breeds of sheep are found in Punjab. Hence, this option is correct.

Scouring is the process of washing the sheared hair. The woollen fibres are thoroughly washed in big tanks to remove grease, dust and dirt by fully mechanised machines. Hence, this option is correct.

Yes, the people working there get infected by a bacterium called anthrax, which causes a fatal blood disease called the sorter’s disease.

Yes, this answer is the correct option. As (a), (b), and (d) are incorrect. Silk is a type of an animal fibre. Silk is an elastic, lustrous protein fibre. There are a variety of silk moths yielding a variety of silk yarns.

Yes, this is the correct answer. The caterpillar covers itself fully with silk fibre and turns into a pupa. This covering is known as the cocoon.

Nali breed wool is used to make carpets. Hence, this option is correct.