Page 43 - Science Class 06

i Wool is obtained from the soft hair of sheep and goats.

i The silkworms feed on the leaves of the mulberry tree.
i Polyester fibres like nylon absorb very little water.

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A. Tick (3) the correct op on.
1. The dress reflects the ___________ and ___________ of the wearer.
(a) social pres ge (b) interest
(c) both (a) and (b) (d) none of these
2. The technique of weaving is about _____________ years old.
(a) 2000 (b) 20000

(c) 200 (d) 200000
3. Which type of climate is needed for the proper growth of co on plants?
(a) Warm (b) Cold

(c) Hot (d) None of these
4. Which part of the jute plant gives fibres?
(a) Flower (b) Stem
(c) Roots (d) Leaves

5. It mostly comes from the long curly hair of the sheep.
(a) Polyster (b) Silk
(c) Wool (d) Co on
6. It was first produced by American scien sts.

(a) Co on (b) Polyester
(c) Jute (d) Nylon
B. Match the following columns.
Column I Column II

1. Co on a. so hair of sheep and goats
2. Jute b. purified cellulose
3. Silk c. white fluffy stuff

4. Wool d. sacks
5. Rayon e. polyimide synthe c fibres
6. Nylon f. cocoon
C. Fill in the blanks.

1. Early man used _______________ and _______________ of animals to cover his body
parts.

2. _______________ invented spinnning jenny in 1795.

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