After washing ________ is passed over the wool to make it softer.
Steam
Grease
Cool air
Hot air
A female moth lays around ______ eggs in one go.
500
50
5,000
5
Cotton is mainly
Proteins
Cellulose
Coarse
Soft
The rearing of silkworms for obtaining silk is called
agriculture
sericulture
silviculture
pisciculture
The silk worm is
a caterpillar
a larva
a caterpillar as well as larva
neither caterpillar nor larva
Which of the following fibres are made of proteins?
silk and cotton
natural silk and artificial silk
rayon and wool
wool and silk
The cocoons have to be stiffted to kill ________ inside.
Eggs
Larva
Pupa
The worm
Fleece of sheap is removed from its body during which of the following seasons?
Winter
Summer
Rainy
Spring
Silk is mainly
Carbohydrate
Worms
Protein
Cocoon
The hair of animals collectively called
Fur
Skin
Fibre
Cotton