Fibre to Fabric Worksheet-1

Fibre to Fabric Worksheet-1

1. Which of the fibres obtained from fleece of sheep are used for making wool?

(a) The coarse beard hair

(b) The soft under-hair close to skin

(c) Both of these

(d) None of these

2. Find the odd one out among the following animals on the basis of type of fibres obtained from them.

(a) Llama          (b) Camel          (c) Silk moth     (d) Goat

3. Wool industry is an important means of livelihood for many people in our country. But sorter's job is risky as sometimes they get infected by a _____ called _____ which leads to a fatal lung disease called sorter's disease.

(a) Bacterium, Bacillus anthracis

(b) Bacterium, E.coli

(c) Fungus, Salmonella

(d) Virus, Vibrio anthracis

4. Choose among the following a country where silk industry began and a country which leads the world in silk production?

(a) China and India                     (b) India and China

(c) India and India                       (d) China and China

5. The properties below describe which of the following fabrics?

Cool to wear, Absorbs water easily, Soft to touch, Creases easily, Can be washed and ironed easily

(a) Cotton          (b) Silk               (c) Wool             (d) Nylon

6. Which fabric particularly needs to be stored with an insect repellent?

(a) Cotton shirts                           (b) Silk sarees

(c) Nylon socks                            (d) Sweaters

7. Which of the following describes moulting?

(a) The resting stage in the life cycle of a silkworm

(b) Change in appearance during the different stages in the life cycle of a silkworm

(c) Spinning of cocoon

(d) Casting off of old skin

8. The silkworm ____ lays tiny eggs. These eggs hatch into small _____. It moults its skin _____ times after which it stops growing. Then it spins a cocoon of silk threads around itself. At this stage it is known as ____:

(a) Larvae, moth, two, caterpillar

(b) Moth, caterpillar, four, pupa

(c) Caterpillar, pupa, five, moth

(d) Moth, pupa, three, caterpillar

9. Natural fibres are

(a) Plant fibres                             (b) Wood fibres

(c) Animal fibres                          (d) All of these

10. Silkworm loves to eat ____ leaves at ___ stage.

(a) Mulberry, pupa                      (b) Mulberry, caterpillar

(c) Litchi, adult                            (d) Mango, pupa

Answer Key:

1. (b)
2. (c)
3. (a)
4. (d)
5. (a)
6. (d)
7. (d)
8. (b)
9. (d)
10. (b)