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10th biology

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Transpiration is highest during:

a)

Rainy season

b)

Winter

c)

Summer

d)

Autumn

2.

On a dry, Sunny day, how does water vapour move through the stomata of a leaf?

a)

Into the leaf by diffusion

b)

Into the leaf by respiration

c)

Out of the leaf by diffusion

d)

Out of the leaf by respiration

3.

Most transpiration in herbaceous plant occurs through:

a)

Stomata

b)

Lenthicels

c)

Cuticle

d)

Hydathodes

4.

Transpiration is the evaporative loss of water from .............................. .

a)

Roots

b)

Leaves

c)

Stem

d)

Both Leaves and Stem

5.

............................... is used as an indicator for a demonstration of transpiration

a)

Litmus paper

b)

Cobalt Chloride paper

c)

Both Litmus Paper and Cobalt Chloride paper

d)

None of the above

6.

........................ is the change observed in the indicator- dry cobalt choride in the experimental set up after keeping it in the sunlight.

a)

No change

b)

Red to blue

c)

Blue to Pink

d)

Pink to Blue

7.

................................. take places direclty from the surface of the leaves and stems.

a)

Transpiration

b)

Lenticular transpiration

c)

Stomata transpiration

d)

Cuticular transpiration

8.

....................... are minute opening in the epidermal layer af leaves

a)

Lenticles

b)

Cuticle

c)

Stomata

d)

Stroma

9.

Special pores at the tips of veins through which guttation occurs.

a)

Hydathodes

b)

Lenticels

c)

Stomata

d)

Cuticle

10.

The tissue that conducts the water.

a)

Pholem

b)

Xylem

c)

Companion cells

d)

Transfusion tissues