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Photosynthesis: An Overview

Total questions: 26

Worksheet time: 28mins

Name
Class
Date
1.

What organelle does photosynthesis

a)

chloroplast

b)

mitochondrion

c)

nucleus

d)

leaf

2.

What are the two parts of photosynthesis? Select both answers

a)

light reaction

b)

glycolysis

c)

Calvin cycle

d)

electron transport chain reaction

3.

What two energy molecules are made by the light reaction? Select both answers.

a)

NADPH

b)

glucose

c)

ATP

d)

oxygen gas

4.

What are the two reactants for photosynthesis?

a)

sun

b)

water

c)

oxygen gas

d)

carbon dioxide

5.

What is the goal of the Calvin cycle

a)

make sugar

b)

make oxygen gas

c)

make ATP

d)

make water

6.

Which molecule supplies chlorophyll with electrons

a)

sun

b)

water

c)

oxygen gas

d)

NADPH

7.

Photosynthesis makes and uses ATP.

a)

True

b)

False

8.

The oxygen gas we breathe comes from the splitting of water during the light reaction

a)

True

b)

False

9.

What is the water used for in photosynthesis. Select both answers.

a)

the oxygen atom

b)

energy

c)

electrons

d)

hydrogen

10.

The carbon dioxide is used by the plant during

a)

the light reaction

b)

the Calvin cycle

11.

The thylakoid stores H+ in order to make ATP

a)

True

b)

False

12.

Plants use their stomata to obtain

a)

water

b)

carbon dioxide

c)

oxygen gas

13.

How many turns of the Calvin cycle are required to produce one molecule of glucose?

a)

3

b)

6

c)

2

d)

1

14.

Which is NOT a phase of the Calvin cycle, ____.

a)

Regeneration

b)

Reduction

c)

Relaxation

d)

Carbon Fixation

15.

At the end of the noncyclic electron transport pathway in the light-dependent reaction, electrons are passed to ___

a)

RuBP

b)

NADPH

c)

ADP

d)

NADP+

16.

What wavelength has the highest amount of energy?

a)

1000 nm

b)

700 nm

c)

400 nm

d)

10 nm

17.

Why do plants have accessory pigments?

a)

To capture additional light energy

b)

To provide additional photosystems

c)

To allow photosynthesis to occur in the dark

d)

To prevent photophosphorylation

18.
Where do the light-dependent reactions occur? 
a)
thylakoid membrane
b)
stroma
c)
mesophyll
d)
mitochondria
19.
Which of the following is NOT a product of the light reactions?
a)
ATP
b)
NADPH
c)
Oxygen
d)
Glucose
20.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + glucose
b)
CO2 + glucose + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + glucose
d)
CO2 + O2 + H2O --> Light+ glucose
21.
What is the ultimate source of energy for life on Earth?
a)
glucose
b)
sunlight
c)
ATP
d)
H2O
22.
Which process do plants NOT do?
a)
biosynthesis
b)
photosynthesis
c)
cellular respiration
d)
digestion
23.
What is the function of NADPH and ATP?
a)
They absorb light
b)
They power the light-dependent reactions
c)
They are light-reflecting pigments
d)
They are short term energy carriers
24.
What is the main chemical compound that stores and releases energy?
a)
ATP
b)
Cytoplasm
c)
PTP
d)
Oxygen
25.
The stacks of disks in the chloroplast are called:
a)
Lamellae
b)
Grana
c)
Stroma
d)
Thylakoid
26.
The interior space of the chloroplast is called:
a)
Lamellae
b)
Grana
c)
Stroma
d)
Thylakoids