31 Barometer was invented by

Evangelista Torricelli

32 Anaesthetic are the drugs that

Induce temporary loss of sensation

33 A blotting paper absorbs ink because of the

Capillary Action

34 Cellulose is a

Carbohydrates

35 A Fuse in an electric circuit is a

Safety device

36 A red flower when illuminated by a green light appears

Black

37 The inner layer of the skin is called

Dermis

38 Which class of vertebrates has two chambered heart?

Fishes

39 As a gas expands rapidly, its temperature

Decreases

40 To be detected by its odour, a substance must be in the form of

Gas