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TRANSPORT IN PLANTS

Total questions: 50

Worksheet time: 1hrs 15mins

Name
Class
Date
1.

Vascular tissue that transports water and minerals UPWARDS from a plant's roots is know as ______.

a)

Cambium

b)

Stomata

c)

Phloem

d)

Xylem

2.

Plant absorbs water through the _________.

a)

leaves

b)

stem

c)

roots

d)

all of the above

3.

The plant transport system are made up of ____ types of tubes.

a)

1

b)

2

c)

3

d)

many

4.

What is the name of the part of the root that allows water and minerals enter?

a)

root hairs

b)

epidermis

c)

phloem

d)

xylem

5.

what is/are adaptation (s) of the root hair for its function ?

a)

it has large surface area to absorb more water

b)

large vacuole to store a lot of water

c)

has many mitochondria for active transport of minerals

d)

it is a place to store the food

6.

How do water enter the roots from the soil?

a)

diffusion

b)

osmosis

c)

transpiration

d)

active transport

7.

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

8.

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

9.

This is the definition for which word: The movement of water molecules from a high concentration of water to a low concentration of water across a partially permeable membrane.

a)

Osmosis

b)

Active transport

c)

Diffusion

d)

Transpiration

10.

Why is the evaporation of water from leaves important?

a)

It cools leaves and helps move water up the plant.

b)

It helps the plant to respire

c)

It makes the plant wilt

11.

Which of these is/ are true?

a)

Xylem vessels carry water and dissolved minerals up the plant

b)

Xylem vessels carry dissolved sucrose up and down the plant

c)

Phloem tissue carry water and dissolved minerals up the plant

d)

Phloem tissue carry dissolved sucrose up and down the plant

12.

What happens to the transpiration rate as light intensity increases?

a)

It increases

b)

It decreases

c)

It stays the same

13.

what is A

a)

xylem

b)

cambium

c)

phloem

d)

cortex

14.

what is B

a)

phloem

b)

cambium

c)

xylem

d)

cortex

15.
Phloem is made from living cells called
a)
sieve tube elements
b)
vascular bundles
c)
paranchema
d)
collenchyma
16.
Most chloroplast are found in the
a)
palisade mesophyll
b)
spongy mesophyll
c)
epidermis
d)
xylem
17.
The pores on  leaves are called
a)
stomata
b)
guard cells
c)
collenchyma
d)
phloem
18.
Which cells have extra cellulose deposits for structural support?
a)
parenchyma
b)
collenchyma
c)
palisade
d)
spongy mesophyll
19.
Xylem vessel elements are strengthened by
a)
lignin
b)
cellulose
c)
melanin
d)
pericycle
20.
Water travels through
a)
phloem
b)
xylem
c)
veins
d)
tubes
21.
transpiration powers the movement of water 
a)
down a concentration gradient
b)
up a concentration gradient
c)
up & down concentration gradients
d)
all of the answers
22.
How will lowered humidity affect the rate of transpiration?
a)
decrease it
b)
increase it
c)
no change
d)
it depends
23.
An increase in wind or temperature will ________________ transpiration
a)
increase
b)
decrease
c)
no change
d)
none
24.
Plants that live in places where water supply is short are called
a)
epiphytes
b)
xerophytes
c)
dicots
d)
monocots
25.
In symplastic pathway water moves from cell to cell through
a)
plasmodesmata
b)
cell walls
c)
stomata
d)
none
26.
in apoplastic pathway, water moves through the 
a)
plasmodesmata
b)
cell wall
c)
mesophyll
d)
sieve tube elements
27.
assimilates or sugars, move from one part of the plant to another by
a)
transpiration
b)
translocation
c)
evacuation
d)
innundation
28.

Sink is any cell that _______.

a)

stores sugar

b)

makes sugar

c)

excretes sugar

d)

give sugar

29.
sucrose loading into phloem requires
a)
active transport
b)
passive transport
c)
diffusion
d)
osmosis
30.
cells of the xylem of dead
a)
true
b)
false
31.
cells of the phloem are living
a)
true
b)
false
32.
Waxy covering of leaves
a)
cuticle
b)
epidermis
c)
endodermis
d)
pericycle
33.
An example of adhesion is
a)
Water molecules sticking to each other
b)
Water molecules sticking to cellulose in xylem walls
c)
Magnets sticking to a metal wall
d)
Gravity pulling water down
34.

What is it called when water sticks to water?

a)

Cohesion

b)

Adhesion

c)

Capillary Action

d)

Xylem

35.

The Casparian strip contains a waterproof band made of ______ that prevents further progress of water in the cell walls.

a)

lignin

b)

cellulose

c)

suberin

d)

starch

36.

Movement of water through the cytoplasm and plasmodesmata in the root, is known as the:

a)

apoplastic pathway

b)

symplastic pathway

c)

cellular pathway

d)

vacuolar pathway

37.

When transpiration rates increase, what will happen to the cohesion tension in the xylem?

a)

decreases

b)

increases

c)

stays the same

38.

What happens first during translocation in the phloem?

a)

water enters the sieve tubes by osmosis

b)

sucrose enters the sieve tubes by active transport

c)

water leaves the sieve tubes by osmosis

d)

sucrose leaves the sieve tubes by active transport

39.

The column of water that is pulled upwards is known as the...

a)

Diffusion stream

b)

Transpiration stream

c)

Transpiration column

d)

Osmosis stream

40.

Which of the following statement is true about plant B?

a)

at high temperature, the flow rate through the xylem will be higher in plant A compared to plant B

b)

at any given temperature, plant A will lose a greater amount of water per time compared to plant B

c)

at any given temperature, plant B will lose the same amount of water per time as plant A

d)

the maximum rate of transpiration in plant A is the same as that of plant B

41.

Which graph shows most clearly what will happen to the rate of transpiration as humidity increases?

a)
b)
c)
d)
42.
a)

A

b)

B

c)

C

d)

D

43.
a)

A

b)

B

c)

C

d)

D

44.

What controls the opening and closing of the stomata?

a)

Companion Cells

b)

Lignin Cells

c)

Guard Cells

d)

Mesophyll Cells

45.
a)

A

b)

B

c)

C

d)

D

46.
a)

A

b)

B

c)

C

d)

D

47.
a)

A

b)

B

c)

C

d)

D

48.

what is the name of virus that affected this plant?

a)

chlorosis

b)

tacco

c)

tobacco mosaic

d)

tar

49.

What does the effect of aphids on agriculture?

a)

Aphids cause benefit and advantages to agricultural yields in several ways

b)

May damage plants by removing enough sap to cause withering and death.

c)

help of pollination

d)

eat the other pests that can damage the plants

50.

what is the name of experiment to take the slices of phloem and put in to the x ray film. Then the film become blackened when its exposed within sugar.

a)

Ringing experiment

b)

bark experiment

c)

isotop

d)

tracer

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