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Unit 1 Photosynthesis

Total questions: 28

Worksheet time: 16mins

Name
Class
Date
1.

Glucose is produced when plants do

a)

photosynthesis

b)

movement

c)

breath.

d)

pollinate

2.

Chlorophyll is present in the ________.

a)

mitochondrion

b)

chloroplast

c)

ribosome

d)

nucleus

3.

chlorophyll captures

a)

carbon dioxide from surroundings

b)

energy of the sunlight

c)

minerals from soil

d)

water from air

4.

Which of the following substances is necessary for photosynthesis?

a)

Soil

b)

Sugar

c)

Oxygen

d)

Carbon dioxide

5.

Which of the following equations summarises the process of photosynthesis?

a)
b)
c)
d)
6.

Hazimah wanted to find out the factors that would affect photosynthesis. She prepared four set-ups using identical plants as shown and placed them near an open window.


In which one of her set-ups, would she expect the plant to photosynthesise.

a)

A

b)

B

c)

C

d)

D

7.

Which is a definition for photosynthesis?

a)

Releasing energy from nutrients

b)

The breaking down of large insoluble molecules into small soluble molecules

c)

The process by which plants make carbohydrates from raw materials using energy from light

d)

The movement of particles from a high concentration to a low concentration

8.

Which is the word equation for photosynthesis?

a)

glucose + oxygen -> carbon dioxide + water

b)

methane + oxygen -> carbon dioxide + water

c)

glucose + carbon dioxide -> oxygen + water

d)

carbon dioxide + water -> oxygen + glucose

9.

State the balanced symbol equation for photosynthesis

a)

CO2 + H2O -> C6H12O6 + O2

b)

C6H12O6 + 6O2 -> 6CO2 + 6H2O

c)

6CO2 + 6H2O -> C6H12O6 + 6O2

d)

CO2 + H2O -> 6C6H12O6 + O2

10.

In plants the glucose produced in photosynthesis gets stored as which molecule?

a)

Starch

b)

Glycogen

c)

Lipids

d)

Protein

11.

State the name of structure A

a)

Vascular bundle

b)

Upper epidermis

c)

Palisade mesophyll

d)

Spongy mesophyll

12.

What is the name of the water proof layer on the top of the leaf?

a)

Vascular bundle

b)

Cuticle

c)

Palisade mesophyll

d)

Spongy mesophyll

13.

What are the cells in layer B called?

a)

Vascular bundle

b)

Cuticle

c)

Palisade mesophyll

d)

Spongy mesophyll

14.

What is the name of layer D called?

a)

Vascular bundle

b)

Cuticle

c)

Palisade mesophyll

d)

Spongy mesophyll

15.

What is structure F called?

a)

Vascular bundle

b)

Cuticle

c)

Palisade mesophyll

d)

Stomata

16.

What is the role of stomata?

a)

Openings in the leaf that allows gas in and out of the plant

b)

Transports water and supports the plant

c)

transports sugars

d)

Where photosynthesis happens

17.

The stomata are openings in the leaf which allow for gas exchange. Which cells found either side of the opening control the stomata?

a)

Guard Cells

b)

Palisade Cells

c)

Spongy mesophyll

18.

What is structure E called?

a)

Vascular bundle

b)

Cuticle

c)

Palisade mesophyll

d)

Lower epidermis

19.

What is the role of the spongy mesophyl?

a)

It allows gas to move through the leaf

b)

It transports water

c)

It transports sugars

d)

It is where photosynthesis happens

20.

Carbon dioxide is absorbed through the

a)

Stoma

b)

Cuticle

c)

Vessel

d)

Palisade Cells

21.

Chlorophyll is the ___ pigment found in the chloroplast

a)

Blue

b)

Green

c)

Red

d)

Purple

22.

The part of the leaf that enables it to hold water by stopping water from escaping through evaporation

a)

Cuticle

b)

Palisade Cells

c)

Xylem

d)

Epidermis

23.

Part of the leaf which allows the diffusion of gases to occur

a)

Palisade Cells

b)

Spongy Mesophyll Cells

c)

Epidermis

d)

Phloem

24.

carbon dioxide + _______ = glucose + oxygen

a)

Water

b)

Hydroxide

c)

Chlorophyll

d)

Sunlight

25.

Which factor affecting photosynthesis can cause enzymes to denature?

a)

Light intensity

b)

Temperature

c)

Carbon Dioxide concentration

d)

pH

26.

Which part of the graph show light intensity as a limiting factor?

a)

A

b)

B

c)

C

d)

A, B and C

27.

Which part of the leaf allows contains most of the chloroplast?

a)

Cuticle

b)

Palisade Mesophyll

c)

Spongy Mesophyll

d)

Stomata

28.

What happens to the plant when glucose is used?

a)

The plant converts the glucose to starch

b)

The plant uses the glucose for absorbing water

c)

The plant is able to absorb more carbon dioxide

d)

The plant uses it for cellular activities and growth