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IGCSE 0654 B7.1 Transport in plants

Total questions: 30

Worksheet time: 28mins

Name
Class
Date
1.
The plant tissue that carries food materials DOWNWARD from the leaves to the rest of the pant is the ______.
a)
Phloem
b)
Stomata
c)
Chlorophyll
d)
Xylem
2.
Vascular tissue that transports water and minerals UPWARDS from a plant's roots is know as ______.
a)
Chlorophyll
b)
Phloem
c)
Stomata
d)
Xylem
3.
Plant absorbs water through the _________. 
a)
stem
b)
roots 
c)
leaves 
d)
all of the above
4.
The plant transport system are made up of ____ types of tubes.
a)
1
b)
2
c)
3
d)
many
5.
What is the name of the part of the root that allows water and minerals enter?
a)
root hairs
b)
epidermis
c)
phloem
d)
phyla
6.
what is the function of root hair?
a)
it is place to store the food
b)
it has large surface area to absorb more water
7.
How do water enter the roots from the soil?
a)
diffusion
b)
osmosis
c)
transpiration
d)
active transport
8.
Water vapour exits a plant leaf by
a)
the stomata
b)
the epidermis
c)
the palisade cells
d)
the spongy mesophyll
9.
Transpiration is
a)
the movement of water through a plant from the roots up the stem
b)
the loss of water from the leaves of a plant by the process of evaporation
c)
the flow of water into plant roots by osmosis from the soil
d)
the process of minerals and sugars moving through plant veins
10.
This is the definition for which word:The movement of particles down a concentration gradient (from a high concentration to a low concentration)
a)
Osmosis
b)
Diffusion
c)
Active transport
d)
Transpiration
11.

Which of these is the definition of OSMOSIS?

a)

The movement of water molecules from a region of higher solution to a region of lower solution through a partially permeable membrane

b)

The net movement of water molecules from a region of higher water potential (concentrated solution) to a region of lower water potential (dilute solution) through a partially permeable membrane

c)

The net movement of water molecules from a region of higher water potential (dilute solution) to a region of lower water potential (concentrated solution)

d)

The net movement of water molecules from a region of higher water potential (dilute solution) to a region of lower water potential (concentrated solution) through a partially permeable membrane

12.
Which of these is true?
a)
Xylem vessels carry water and dissolved minerals up the plant
b)
Phloem tissue carry water and dissolved minerals up the plant
c)
Xylem vessels carry dissolved sucrose up and down the plant
13.
What happens to the transpiration rate as light intensity increases?
a)
It increases
b)
It stays the same
c)
It decreases
14.

Where is xylem found in the plant?

a)

leave -> roots -> stem

b)

roots -> stem -> leaves

c)

root hairs -> leaves -> veins

d)

stem -> roots

15.

Water and minerals move in which direction within the plant

a)

Upward

b)

Down

16.

Where does sugar transport begin?

a)

Roots

b)

Leaves

c)

Root hairs

d)

Vascular bundles

17.
Plant transports food made in the leaves to __________. 
a)
roots 
b)
stem
c)
flowers 
d)
all of the above
18.

What is translocation? 2016 Q27

a)

the transport of food in the phloem tissues

b)

the transport of food in the xylem tissues

c)

the transport of water in the phloem tissues

d)

the transport of water in the xylem tissues

19.

A leafy shoot was placed in a beaker containing a blue dye and then examined 5 hours later.


Which statement explains the change in appearance?

a)

Blue dye stains cells in the leaves.

b)

Blue dye moves through the xylem.

c)

Blue dye moves up the stem by osmosis

d)

Blue dye diffuses through the cells of the plant.

20.

The diagram shows the internal structure of a leaf.


Which region contains cells that are responsible for the transport of manufactured food?

a)

A

b)

B

c)

C

d)

D

21.

Radioactive carbon dioxide is used to study the movement of materials in a plant. Thin slices are cut from the stem of the plant and placed on photographic film which become black when exposed to radioactivity. Which of the following best illustrates the results of the study?

a)
b)
c)
d)
22.
Water travels through
a)
phloem
b)
xylem
c)
veins
d)
tubes
23.
How will lowered humidity affect the rate of transpiration?
a)
decrease it
b)
increase it
c)
no change
d)
it depends
24.
An increase in wind or temperature will ________________ transpiration
a)
increase
b)
decrease
c)
no change
d)
none
25.

What is the plant vessel responsible for transporting sugar?

a)

Xylem

b)

Phloem

26.

Which of the following plant vessels is living?

a)

Xylem

b)

Phloem

27.

Which of the following statements is true?

a)

Xylem transports water up and down the plant

b)

Phloem transports water up and down the plant

c)

Phloem transports sugar up and down the plant

d)

Xylem transports sugar up the plant

28.

What is the name given to the movement of water through a plant system?

a)

Photosynthesis

b)

Translation

c)

Transpiration

d)

Osmosis

29.

How does an increase in temperature affect the rate of transpiration?

a)

Increases transpiration rate

b)

Decreases transpiration rate

30.

How does an increase in humidity affect the rate of transpiration?

a)

Increases transpiration rate

b)

Decreases transpiration rate

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