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Photosynthesis

Total questions: 21

Worksheet time: 13mins

Name
Class
Date
1.

In what organelle does photosynthesis occur in eukaryotic cells?

a)

mitochondria

b)

chloroplasts

c)

nucleus

d)

cell membrane

2.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
3.

Which of the following equations represents the overall chemical reaction for photosynthesis?

a)

6O2+ 6H2O → C6H12O6+ 6O2

b)

C6H12O6 + 6H2O→ 6O2+ 6O2

c)

6CO2+ 6H2O→ C6H12O6+ 6O2

d)

6O2 + 6H2O→ C6H12O6 + 6CO2

4.
What is the chemical formula for glucose?
a)
C6H12O6
b)
C6H6O12
c)
C12H6O12
d)
C6O2H6
5.
What is the chemical formula for water?
a)
H2O
b)
HO2
c)
CHO2
d)
CO2H
6.
What is the chemical formula for carbon dioxide?
a)
H2O
b)
CO2
c)
CHO2
d)
CO2H
7.

Why are plants usually green?

a)

Because the chlorophyll reflects green light

b)

Because the chlorophyll absorbs green light

c)

Because the accessory pigments combine to make green

d)

Because the accessory pigments only absorb green light

8.
Which choice correctly shows the gases that enter and exit plants during photosynthesis?
a)
Enter: Oxygen
Exit: Carbon dioxide
b)
Enter: Water vapor
Exit: Glucose
c)
Enter: Carbon dioxide
Exit: Oxygen
d)
Enter: Light
Exit: Water vapor
9.
A student is collecting the gas given off from a plant in bright sunlight at a temperature of 27°C. The gas being collected is probably ________.
a)
oxygen
b)
carbon dioxide
c)
ATP
d)
glucose
10.

Which of the following is needed for the process of photosynthesis?

a)

Water

b)

Oxygen

c)

Starch

d)

Carbon dioxide

11.

Which of the following statements best describes the term photosynthesis?

a)

When plants absorb the energy from the sun.

b)

How plants reproduce.

c)

The process by which plants make their own food.

d)

The process by which animals make their own food.

12.

Chlorophyll is:

a)

The substance that makes plants green.

b)

Found inside the chloroplast cells.

c)

Used to absorb energy from the sun.

d)

All of the above.

13.
Plants need what to do photosynthesis?
a)
Food absorbed from ground
b)
Sun's energy
c)
Food broken down
d)
Minerals from the soil
14.

In what organelle does photosynthesis occur in eukaryotic cells?

a)

mitochondria

b)

chloroplasts

c)

nucleus

d)

cell membrane

15.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
16.

Plants use the following reactants for the light reaction

a)

Water and CO2

b)

Water and NADPH

c)

Water and NADP+

d)

NADPH and ATP

17.

Photosynthesis goal is to

a)

convert light energy into glucose energy

b)

use light energy to make oxygen gas

c)

convert sugar energy into ATP

d)

convert sugar energy into oxygen gas

18.

The NADP+ is

a)

oxidized during the light reaction

b)

reduced during the light reaction

c)

oxidized during the Calvin cycle

d)

reduced during the Calvin cycle

19.

Plants use the following reactants for the light reaction

a)

Water and CO2

b)

Water and NADPH

c)

Water and NADP+

d)

NADPH and ATP

20.

If the proton (H+) pump in the thylakoid was not working which molecule could not be made during the light reaction?

a)

NADPH

b)

ATP

c)

Water

d)

Oxygen gas

21.

Plants use the following reactants for the light reaction

a)

Water and CO2

b)

Water and NADPH

c)

Water and NADP+

d)

NADPH and ATP