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Photosynthesis Basics & Light Reactions

Total questions: 20

Worksheet time: 40mins

Name
Class
Date
1.
What molecule absorbs sunlight during photosynthesis?
a)
Epidermis
b)
thylakoid
c)
the leaf
d)
chlorophyll
2.
Which statement about photosynthesis is correct?
a)
Plants get the energy they need for photosynthesis from water.
b)
Plants get the energy they need for photosynthesis from soil.
c)
Plants get the energy they need for photosynthesis from sunlight.
d)
Plants do not require energy to perform photosynthesis.
3.
The products of photosynthesis are
a)
water and carbon dioxide
b)
oxygen and water
c)
sugar and cabon dioxide
d)
oxygen and sugar (glucose)
4.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
5.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)
does not absorb green light.
d)
does not absorb violet light.
6.
Where do the light-dependent reactions occur? 
a)
thylakoid membrane
b)
stroma
c)
mesophyll
d)
mitochondria
7.
Where does the Calvin Cycle occur?
a)
thylakoid
b)
stroma
c)
lumen
d)
mitochondria
8.
What is the name of the simple sugar that is produced in photosynthesis?
a)
Sucrose
b)
Dextrose
c)
Glucose
d)
Lactose
9.
The stacks of disks in the chloroplast are called:
a)
Lamellae
b)
Grana
c)
Stroma
d)
Thylakoid
10.
The disks in the chloroplast are called:
a)
Lamellae
b)
Grana
c)
Stroma
d)
Thylakoids
11.
The interior space of the chloroplast is called:
a)
Lamellae
b)
Grana
c)
Stroma
d)
Thylakoids
12.
The electrons for the Light Reactions come from
a)
NADP+
b)
Water
c)
NADPH
d)
Glucose
13.

Which photosystem comes first in the electron transport chain?

a)

Photosystem 1

b)

Photosystem 2

c)

Photolysis

d)

ATP Synthase

14.

Which part of the plant cell enables photosynthesis?

a)

Vacuole

b)

Chloroplast

c)

Cell Wall

d)

Chlorophyll

15.

What are the reactants to the Light Reactions?

a)

Sunlight and Water

b)

Sunlight and Oxygen

c)

Oxygen and Water

d)

Sunlight and Carbon Dioxide

16.

What are the products to the light reactions?

a)

Sunlight and Oxygen

b)

Sunlight and Water

c)

ATP, NADPH and Oxygen

d)

ADP, NADP+ and Oxygen

17.

What protein embeds the thylakoid membrane?

a)

ATP synthase

b)

Photosystem 1

c)

Photosystem 2

d)

Outer Membrane Space

18.

What is the chemical equation for photosynthesis?

a)

6 CO2 + 6 H2O ---sunlight---> 6 O2 and C6H12O6

b)

ATP + NADPH ----> NADP+ and ADP

c)

6 O2 and C6H12O6 ---sunlight---> 6 CO2 + 6 H2O

d)

ADP and NADP+ ------> ATP and NADPH

19.

In what part of photosynthesis is water broken down?

a)

The Calvin Cycle

b)

The Dark Reactions

c)

Photosystem 1 of the ETC

d)

Photosystem 2 of the ETC

20.

What is the product of Photosystem 1?

a)

ATP

b)

NADPH

c)

Oxygen

d)

Glucose

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