The silkworm is (i) a caterpillar, (ii) a larva.

1

(a)

(i)

(b)

(ii)

(c)

Both (i) and (ii)

(d)

Neither (i) nor (ii)

Selective breeding is a process of

1

(a)

selecting the offsprings with desired properties

(b)

selecting the parents with desired properties

(c)

selecting an area for breeding

(d)

selecting fine hair for good quality wool

The general process that takes place at a sheep shearing shed is

1

(a)

removal of fleece

(b)

separating hair of different textures

(c)

washing of sheep fibre to remove grease

(d)

rolling of sheep fibre into yarn

Reeling of silk is

1

(a)

a process of making silk reels

(b)

spinning of silk fibres

(c)

weaving of silk cloth

(d)

the process of taking silk threads from cocoon

Silkworms secrete fibre made of

1

(a)

fat

(b)

cellulose

(c)

protein

(d)

nylon

Which one is not a part of the process of wool manufacturing?

1

(a)

Carding

(b)

Rolling

(c)

Reeling

(d)

Scouring

Silk is a :

1

(a)

Staple fibre

(b)

Rough fibre

(c)

Filament fibre

(d)

Textured fibre

Which one of the following is not a variety of silk?

1

(a)

Nali

(b)

Tassar

(c)

Mooga

(d)

Drganza

Which one is animal fibre?

1

(a)

Cotton

(b)

Silk

(c)

Polyester

(d)

Jute

Burrs are the :

1

(a)

Wool obtained from the camel

(b)

Wool obtained from the goat

(c)

Small fluffy fibres in wool

(d)

Pupa

Silkworms are ______ of silk moth.

1

(a)

larvae

Silkworms spin _____ of silk fibre.

1

(a)

cocoons

Lohi and nali are breeds of ______

1

(a)

sheep

The dried perspiration of sheep is called _________.

1

(a)

suint

Pupa is the next stage of ________ in the life history of silk moth

1

(a)

caterpillar

Silk is a natural carbohydrate fibre.

1

(a) True

(b) False

Silkworm feeds on oak leaves.

1

(a) True

(b) False

Mooga is the strongest variety of wool.

1

(a) True

(b) False

Silkworms are caterpillars of silk moth.

1

(a) False

(b) True

The rearing of silkworms for obtained silk is called silviculture.

1

(a) True

(b) False