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PHYSICAL PLANT STRUCTURE

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What is the main photosynthetic organ in the plant?

a)

Flower

b)

Leaves

c)

Roots

d)

Stem

2.

The color of the leaves is green. This means that the green light is __________.

a)

Absorbed

b)

Deflected

c)

Reflected

d)

Transmitted

3.

Where do we find cells with chloroplast in the leaves of plants?

a)

Cuticle

b)

Epidermis

c)

Matrix

d)

Mesophyll layer

4.

Where do we find most of the stomata?

a)

Spongy layer

b)

Lower epidermis

c)

Upper epidermis

d)

Mesophyll layer

5.

Which protects the inner tissue of the leaf?

a)

Stoma

b)

Veins

c)

Chlorophyll

d)

Epidermis

6.

Which part of the leaf is the tiny opening in the lower epidermis which is responsible for the entrance and exit of gases in a plant?

a)

Chloroplast

b)

Guard cells

c)

Nucleus

d)

Stoma

7.

In which part of the cell does the food making in plants occur?

a)

Chloroplast

b)

Lysosome

c)

Mitochondria

d)

Nucleus

8.

What is the main role of photosynthesis in the environment?

a)

Create adenosine triphosphate

b)

Capture sunglight and split water

c)

Convert light energy to produce glucose

d)

Convert chemical energy to produce glucose

9.

Where in the chloroplast is chlorophyll found?

a)

ATP

b)

Cristae

c)

Stroma

d)

Thylakoid

10.

If carbon dioxide is removed from a plant's environment, what would you expect to happen to the plant's production of high energy sugars?

a)

More sugar will be produced.

b)

No sugar will be produced.

c)

The same number of sugar will be produced but without carbon dioxide.

d)

Carbon dioxide doesn't affect the production of high energy sugars in plants.

11.

Stomata are found on the lower surface of the leaf that allow the entrance of carbon dioxide needed for photosynthesis. Which is the other function of stomata?

a)

Entry of water

b)

Exit point for oxygen

c)

Passage of nutrients in plant

d)

None of these

12.

What molecules are contained inside the chloroplast which are the food producers of the cell found in all green parts of the plants?

a)

Stroma

b)

Stomata

c)

Chlorophyll

d)

Grana

13.

Which molecule is a waste product of photosynthesis?

a)

Oxygen

b)

Sugar

c)

Water

d)

Carbon dioxide

14.

Which color/s of light are converted into sugar during photosynthesis?

a)

Blue

b)

Red

c)

Red and Blue

d)

Red, Blue, and Green

15.

What is the source of energy needed in photosynthesis?

a)

Chlorophyll

b)

Light

c)

Sugar

d)

Water