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Plant Structure Quiz

Total questions: 30

Worksheet time: 22mins

Name
Class
Date
1.

The leaf's waxy cuticle

a)

stores water

b)

reduces evaporation and dehydration

c)

transports water into the leaf

d)

absorbs water for the leaf

2.

Where do gases involved in photosynthesis pass in and out of the leaf?  

a)

stomata

b)

phloem

c)

xylem

d)

cuticle

3.

What part of a plant transports water and soil minerals through the roots, stems, and leaves?

a)

root hairs

b)

phloem

c)

xylem

d)

cuticle

4.

Which of the following is the function of the guard cells on the lower surface of the leaf?

a)

synthesizing proteins 

b)

transporting water and minerals

c)

 control how much water is lost from the leaf

d)

 allowing light to enter the leaf

5.

What is a plant trophism? 

a)

A stimulus that affects plants. 

b)

The way a plant responds to a stimulus. 

c)

The way a plant grows.

d)

The way a plant dies. 

6.

The diffusion of water vapor out of a leaf

a)

transportation

b)

transformation

c)

transpiration

d)

translocation

7.

Needle-shaped leaves help plants ____________ more water than broad leaves.

a)

lose

b)

create

c)

absorb

d)

conserve

8.

Xylem transports ___________________and phloem transports __________ inside of the plant.

a)

water up; food down

b)

water down; food up

c)

food up; food down

d)

food down, food up

9.

What is the region of rapid cell division and growth in plants?

a)

Guard

b)

Stomata

c)

Xylem

d)

Meristem

10.

What plant structure are these?

a)

tap roots

b)

fibrous roots

c)

storage roots

11.

Where leaves are attached on the stem

a)

Casparian strip

b)

node

c)

vascular bundle

d)

primary growth

12.

Where photosynthesis occurs in the leaf

a)

Secondary growth

b)

mesophyll

c)

stomata

d)

transpiration

13.

What structure is label A showing?

a)

A vein containing xylem and phloem

b)

Palisade mesophyll

c)

spongy mesophyll

d)

stomata and guard cells

14.

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.

15.

The leaf is known as the ___________.

a)

photogenic organ

b)

Photosynthetic organ

c)

Photographic organ

16.

Name part 1 in the structure of the leaf, which is know as "skin".

a)

Upper epidermis

b)

Palisade mesophyll

c)

Spongy mesophyll

d)

Lower epidermis

17.

Which type of the root is shown in the picture?

a)

Fibrous

b)

Taproot

c)

Vascular

d)

Nonvascular

18.

Why are these root hairs so important to this germination seed?

a)

they connect the xylem and phloem

b)

they increase the surface area for absorption of water and minerals

c)

they are needed to store food

d)

they are needed for photosynthesis

19.

Which label shows the palisade layer?

a)

A

b)

B

c)

C

d)

D

e)

E

20.

What is letter "D" pointing to?

a)

upper epidermis

b)

palisade mesophyll

c)

spongy mesophyll

d)

bundle sheath

21.

Which of the following is pointing to the "stomata"?

a)

B

b)

C

c)

D

d)

E

22.

Plants curling around a pole or mailbox is an example of:

a)

Phototropism

b)

Germination

c)

Turgor pressure

d)

Thigmotropism

23.

The tip of the root that protects is as it grows is called the __.

a)

root force

b)

root guard

c)

root shield

d)

root cap

24.

If the phloem found beneath the bark of a tree is removed, what will happen to the tree?

a)

It will go dormant

b)

It will generate new phloem

c)

food would not be able to reach the roots and it will die

d)

No change will be seen

25.

The movement or growth of a plant in response to the light coming from this window is called __.

a)

Thigmotropism

b)

Geotropism

c)

Phototropism

d)

Hydrotropism

26.

Which type of tropism is represented in the GIF?

a)

Hydrotropism

b)

Thigmotropism

c)

Phototropism

d)

Gravitropism

27.

Which type of tropism is represented in the GIF?

a)

Hydrotropism

b)

Thigmotropism

c)

Phototropism

d)

Geotropism

28.

Which type of tropism is represented in the GIF of a Venus Fly Trap?

a)

Hydrotropism

b)

Thigmotropism

c)

Phototropism

d)

Gravitropism

29.

Identify the picture

a)

sundew

b)

Venus flytrap

c)

pitcher plant

30.

What is one possible reason for seeds to have hooks or barbs?

a)

to stay warm during the winter

b)

to protect themselves from sunlight

c)

to get attached to passing animals and get carried away

d)

to stick to animals and steal nutrients from them