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Worksheets

Photosynthesis

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

What are the reactants of photosynthesis?

a)

carbon dioxide and oxygen

b)

water and oxygen

c)

carbon dioxide and water

d)

water and glucose

2.

 

This is the chemical formula for a molecule of...

a)

oxygen

b)

carbon dioxide

c)

Glucose

d)

Water

3.

What is the purpose of photosynthesis?

a)

to release energy

b)

to create glucose

c)

to grow

d)

To get oxygen for respiration

4.

 

What part of the plant soaks up water for photosynthesis?

a)

roots

b)

petals

c)

leaf

d)

stem

5.

Why do plants use energy from the Sun?

a)

To make food

b)

To get water

6.

An organism that can make its own food

a)

autobot

b)

heterotroph

c)

autotroph

d)

heterobot

7.

An organism that cannot make its own food.

a)

autobot

b)

heterotroph

c)

autotroph

d)

heterobot

8.

The raw materials of a chemical reaction. Located on the left side of a chemical equation.

a)

water

b)

energy

c)

resources

d)

reactants

9.

The 'outputs' of a chemical reaction. Located on the right side of a chemical equation.

a)

products

b)

produce

c)

consumers

d)

detritis

10.

Location inside of a plant cell where the process of photosynthesis occurs.

a)

nodules

b)

stomata

c)

chloroplasts

d)

chlorophyll

11.

Pigment which 'fills' chloroplast. This pigment absorbs sunlight.

a)

nodules

b)

stomata

c)

chlorine

d)

chlorophyll

12.

A simple sugar that is an important energy source in living organisms

a)

stevia

b)

fructose

c)

glucose

d)

glycerin

13.

A gas that plants release during photosynthesis

a)

oxygen

b)

methane

c)

propane

d)

carbon dioxide

14.

A gas that plants take in through small holes in their leaves for the process of photosynthesis.

a)

oxygen

b)

methane

c)

propane

d)

carbon dioxide

15.

Select ALL the reactants of Photosynthesis.

(Hint: reactants are on the left side of the arrow)

a)

Carbon dioxide

b)

Oxygen

c)

Water

d)

Sunlight

e)

Glucose

16.

What part of the plant soaks up water for photosynthesis?

a)

roots

b)

petals

c)

leaf

d)

stem

17.

Complete the equation for photosynthesis

carbon dioxide +___________ ------> Glucose + oxygen

a)

helium

b)

nitrogen

c)

water

d)

hydrogen

18.

During photosynthesis, the energy from the sun is used to split water molecules into hydrogen and oxygen.

a)

True

b)

False

19.
The formula for glucose is...
a)
C12 H22 O11
b)
NaCl
c)
NaOH
d)
C6 H12 O6
20.

The rate of photosynthesis can be influenced by...

a)

Temperature

b)

Carbon dioxide levels

c)

Light intensity

d)

Oxygen concentration