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Transpiration

Total questions: 15

Worksheet time: 11mins

Name
Class
Date
1.

What is transpiration?

a)

Excess water being released from the aerial parts of plants in the form of water vapor

b)

Excess sugar being released from the leave

c)

The way a plant makes its food

d)

When the plant uses sugar for energy

2.

Transpiration is a part of____________?

a)

Condensation

b)

Sublimation

c)

Evaporation

d)

Precipitation

3.

Water transported from stems to leaves through what?

a)

xylem

b)

phloem

c)

stems

d)

roots

4.

Select all of the environmental factors that would increase transpiration.

a)

Increased humidity

b)

Increased wind speed

c)

Increased temperature

d)

Decreased surface area

5.

What is a cuticle? Choose 2

a)

A waxy layer of a fatty substance called cutin covering the epidermis

b)

A waxy layer of a fatty substance called cutin covering the dermis

c)

Part of Xylem

d)

A plant cuticle is a protecting film covering the epidermis of leaves

6.

Which is true?

a)

99% of water taken by the plant evaporates through transpiration

b)

9% of water taken by the plant evaporates through transpiration

c)

Evaporation through transpiration accounts only for 1% of all the water the plant takes in

d)

Evaporation through transpiration is minuscule

7.

Adaptation to reduce transpiration

a)

Broader leaves

b)

absence of cuticle

c)

More stomata

d)

Narrow leaves

8.

Kidney shaped cells at the border of the stomata

a)

Lenticels

b)

Cuticle

c)

Guard cells

d)

Hydathodes

9.

What happens to the movement of air bubble if apparatus is kept in front of a fan

a)

Air bubble does not move

b)

Air bubble moves very little

c)

Air bubble does not change its position

d)

Air bubble moves very fast

10.

If plants don't store up water, how does water leave the plant?

a)

The roots get rid of excess water.

b)

Most plants DO store water.

c)

It is released from the leaves by TRANSPIRATION.

11.

Which picture shows the cuticle?

a)
b)
c)
d)
12.

Remember when you put the celery in the water? What happened to the water level by the next day?

a)

The level dropped A LOT, because the celery sucked it up.

b)

The level stayed the same, because the celery was dead.

c)

The level dropped a little, because of evaporation.

13.

Water molecules pull each other up the xylem due to ______________.

a)

capillary action

b)

root pressure

c)

osmosis

d)

active transport

14.

All of the following are forces involved in the process of transpiration EXCEPT ____________.

a)

root pressure

b)

capillary action

c)

active transport

d)

transpiration pull

15.
Which factor had the greatest impact on the rate of transpiration compared to the control?
a)
wind
b)
humidity
c)
light 
d)
darkness