Exercise

(A) Multiple choice questions:

1. The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option.

(i) a

(ii) b

(iii) both a and b

(iv) neither a nor b

Ans: (i)

2. Which of the following does not yield wool?

(i) Yak

(ii) Camel

(iii) Goat

(iv) Woolly dog

Ans: (iv)

3. The filaments secreted by the silkworms are made of

(i) Proteins

(ii) Glucose

(iii) Both of them

Ans: (i)

4. Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them.

Shearing, _______, sorting, _______, _______.

Ans: Scouring, dyeing, drying

(B) Match the words of Column I with those given in Column II:

Ans: 1.-(b), 2.-(c), 3.-(d), 4.-(a)