S K Jain and Shailesh K Jain Solutions for Chapter: Fibre to Fabric : Animal Fibers, Exercise 5: Chapter Based Formative Assessment

Removal of _____ from the body of sheep is called shearing. (fleece/fur)

Sorters working in the wool industry may suffer from _____. (sorter's disease / tuberculosis / typhoid)

All-natural fibres can be used for making cloth.

Wool traps more air in it as compared to cotton.

The insect in the cocoon is killed before reeling the silk.

Silk fibres are long, even, straight, and fine.

During scouring, the sheared hair is washed with the soap solution.

Solve the crossword puzzle with the help of the clues given.

ACROSS

1. Variety of wool obtained from the underfur of Kashmiri goat. (8)

2. Straightening curly wool fibres. (7)

3. A sticky fluid secreted by the salivary glands when caterpillar enters the pupal stage. (7)

4. The fibre obtained by separating silk filaments from the cocoons. (7)

5. Larvae that hatched out in 3-5 days.

DOWN

6. A ball-like structure of silk thread formed around the body of pupa. (6)

7. Removal of fleece along with a thin layer of the sheep’s skin. (8)

8.  Leaves of a plant on which female silk moth lays eggs. (8)

9.  Washing of sheared skin with hair with soap. (8)