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Mrs Disney Y10- Biology Photosynthesis quiz

Total questions: 20

Worksheet time: 22mins

Name
Class
Date
1.
Plants need what to do photosynthesis?
a)
Food absorbed from ground
b)
Sun's energy
c)
Food broken down
d)
Minerals from the soil
2.

Which of the following are reactants of photosynthesis?

a)

CO2 and H2O

b)

O2

c)

H2O and Glucose

d)

None of the above

3.
What molecule absorbs sunlight for photosynthesis?
a)
chloroplast
b)
thylakoid
c)
grana
d)
chlorophyll
4.
What is the name of the simple sugar that is produced in photosynthesis?
a)
Sucrose
b)
Dextrose
c)
Glucose
d)
Lactose
5.
What are the raw materials of photosynthesis?
a)
oxygen and carbon dioxide
b)
oxygen and glucose
c)
carbon dioxide and water
d)
water and glucose
6.
What are the products of photosynthesis?
a)
oxygen and carbon dioxide
b)
oxygen and glucose
c)
carbon dioxide and water
d)
water and glucose
7.
In which organelle does photosynthesis occur?
a)
mitochondria
b)
cell membrane
c)
nucleus
d)
chloroplasts
8.

Why do plants need sunlight for photosynthesis?

a)

The light creates heat needed for photosynthesis to occur

b)

The light provides the energy needed to power photosynthesis

c)

Plants can't absorb carbon dioxide in darkness

d)

Plants can't absorb water in darkness

9.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
10.
How would light intensity generally affect the rate of photosynthesis?
a)
Increases the rate, up to a point
b)
Increases the rate
c)
Decreases the rate
d)
No relationship to the rate
11.
How would the concentration of CO2 in water affect photosynthesis?
a)
The higher the CO2, the greater the rate
b)
The higher the CO2, the lower the rate
c)
CO2 concentration doesn't affect photosynthesis
d)
a greater rate of photosynthesis causes higher CO2 concentrations 
12.
If we enclosed a plant in an air-proof bottle, what would happen to the rate of photosynthesis 
a)
Gradually slow down to zero because CO2 is used up
b)
Shows a constant rate as long as the light remains on
c)
Gradually speeds up because O2 builds up
d)
Gradually slows down because glucose builds up
13.

What do we call something that will affect the rate of photosynthesis?

a)

Light intensity

b)

Limiting factor

c)

Carbon dioxide concentration

d)

Control factor

14.

Which of the following IS NOT a limiting factor for photosynthesis?

a)

Carbon dioxide concentration

b)

Oxygen concentration

c)

Temperature

d)

Light intensity

15.

Why does the rate of photosynthesis decrease at high temperatures?

a)

Enzymes are denatured

b)

Enzymes do not have enough kinetic energy

16.

At letter A what is the limiting factor of photosynthesis?

a)

Carbon dioxide

b)

Water

c)

Temperature

d)

Light Intensity

17.

At letter A what is the limiting factor of photosynthesis?

a)

Temperature AND Carbon dioxide concentration

b)

Water

c)

Temperature OR Carbon dioxide concentration

d)

Light Intensity

18.

Which gas is at the top of the inverted test tube?

a)

oxygen

b)

carbon dioxide

c)

water vapor

d)

nitrogen

19.

Which Graph shows the relationship between photosynthesis and LIGHT INTENSITY?

a)

A

b)

B

c)

C

20.

Which Graph shows the relationship between photosynthesis and Oxygen?

a)

A

b)

B

c)

C

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