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Photosynthesis

Total questions: 10

Worksheet time: 7mins

Name
Class
Date
1.

What is the original source of energy for all living things?

a)

Sugar

b)

Sun

c)

Moon

d)

Carbon Dioxide

2.

What is the pigment in chloroplasts that performs photosynthesis?

a)

Cytoplasm

b)

Chlorophyll

c)

Green

d)

Minerals

3.

What are the reactants (what's needed) for photosynthesis?

a)

Glucose and oxygen

b)

Light, water, and carbon dioxide

c)

Soil and water

d)

Fertiliser and rain

4.

In which organelle (part of the cell) does photosynthesis take place?

a)

Mitochondria

b)

Chloroplasts

c)

Nucleus

d)

Cell membrane

5.

Leaves look green because.....

a)

they eat their vegetables.

b)

so they can blend into their environment.

c)

they contain a molecule named chlorophyll.

d)

they are sick.

6.

Which of the following statements describes the function of stomata?

a)

Stomata release pollen from plants.

b)

Stomata transport water to leaves.

c)

Stomata allow the exchange of gases.

d)

Stomata absorb energy from sunlight.

7.
Which is the correct formula for photosynthesis?
a)
CO2 + H2O --> (in sunlight) C6H12O6 + O2
b)
sunlight + CO2 + H2O --> C6H12O6 + O2
c)
C6H12O6 + O2 --> (in sunlight) CO2 + H2O
d)
CO2 + H2O --> C6H12O6 + O2 + sunlight
8.

What is another name for glucose?

a)

Chlorophyll

b)

Chloroplasts

c)

Energy

d)

Sugar

9.
How are plant cells different from animal cells? 
a)
Only plant cells can grow
b)
Only animal cells can store energy.  
c)
Only animal cells can reproduce. 
d)
Only plant cells can perform photosynthesis. 
10.

What is the energy conversion that takes place during photosynthesis?

a)

chemical energy --> chemical energy

b)

thermal energy --> electrical energy

c)

chemical energy--> electrical energy

d)

radiant (light) energy--> chemical energy