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TRANSPIRATION

Total questions: 10

Worksheet time: 4mins

Name
Class
Date
1.

How many types of transpiration are there ?

a)

1

b)

3

c)

4

d)

2

2.

Stomata opens during night and closes during day

a)

True

b)

False

3.

there are more no of stomata on

a)

Ventral side

b)

Dorsal side

4.

Guttation is the loss of water through -

a)

Hydathodes

b)

Cuticle

c)

Stomata

d)

Lenticles

5.

Factors which affect transpiration are (external)

a)

Sunlight

b)

Wind speed

c)

Humidity

d)

Rain

6.

Adaptations in plant to reduce transpiration are -

a)

No of stomata

b)

Thickness of cuticle

c)

Loss of leaves

d)

All of the above

7.

What is significance of transpiration

a)

Creates suction force

b)

Helps in distribution of water and nutrients

c)

Cooling effect for plants

d)

All of the above

8.

Stomata opens up only for the intake of CO2

a)

True

b)

False

9.

The function of cobalt chloride paper is

a)

To change colour when exposed to sand

b)

To indicate moisture

c)

To change colour according to the acidity or basicity of substance .

10.

More root hairs will lead to

a)

Less transpiration

b)

More transpiration

c)

Closure of stomata