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Photosynthesis

Total questions: 27

Worksheet time: 27mins

Name
Class
Date
1.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
2.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
3.

Chlorophyll absorbs a higher percentage of _____ and _______ light.

a)

purple and green

b)

red and blue

c)

black and orange

d)

yellow and green

4.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)
reflects green light.
d)
does not absorb violet light.
5.
The reactants of photosynthesis are
a)
sugar and water.
b)
sugar and oxygen.
c)
carbon dioxide and water.
d)
carbon dioxide and oxygen.
6.
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.
7.
What are the products of photosynthesis?
a)
Carbon dioxide and water
b)
Carbon dioxide and oxygen
c)
Glucose and oxygen
d)
Glucose and water
8.
What pigment absorbs sunlight for photosynthesis?
a)
chloroplast
b)
thylakoid
c)
grana
d)
chlorophyll
9.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
10.
Which of the following is NOT a product of the light-dependent reactions?
a)
ATP
b)
NADPH
c)
Oxygen
d)
Glucose
11.
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.
12.

Which of the following best describes photosynthesis?

a)

Photosynthesis converts radiant energy into chemical energy.

b)

Photosynthesis produces lipids.

c)

Plants need sunlight, oxygen, glucose, water, nutrients, and chlorophyll to complete photosynthesis.

d)

All plant cells undergo photosynthesis.

13.
In which  organelle does photosynthesis occur?
a)
mitochondria
b)
stomata
c)
xylem
d)
chloroplast
14.
Which of the following is considered a waste product of photosynthesis?
a)
glucose
b)
oxygen
c)
carbon dioxide
d)
sunlight
15.
Animal cells do not have chloroplasts.
a)
TRUE
b)
FALSE
16.
Light energy is used to 
a)
split water into H and O
b)
weld C, H and O together
c)
make water
17.
If H is combined with CO2 glucose can be made.
a)
TRUE
b)
FALSE
18.
What is the purpose of photosynthesis?
a)
make glucose
b)
make ATP
c)
make light
d)
release carbon dioxide
19.
Which organelle performs PHOTOSYNTHESIS?
a)
Chloroplast
b)
Mitochondria
20.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
21.
Which organisms perform Photosynthesis?
a)
Only Autotrophs
b)
Only Heterotrophs
c)
Autotrophs and Heterotrophs
22.

Which of the following statements about stomata in plant leaves is FALSE?

a)

Stomata open and close to regulate gas exchange in leaves.

b)

Stomata are open when leaves become dehydrated.

c)

Stomata are controlled by two guard cells.

d)

Stomata close to conserve water.

23.

Bubbles are released from an elodea plant during an experiment. If the bubbles were analyzed, what gas would they be made of?

a)

carbon monoxide

b)

oxygen

c)

carbon dioxide

d)

water gas

24.

When I see a red color on a shirt, what has happened?

a)

All colors of the visible light spectrum are being absorbed and red is being reflected

b)

All colors of the visible light spectrum are being reflected and red is being absorbed

25.

Where does Photosynthesis take place in a plant cell?

a)

Nucleus

b)

Chloroplast

c)

cytoplasm

d)

mitochondria

26.

What are the two products of photosynthesis?

a)

oxygen and carbon dioxide

b)

sunlight and carbon dioxide

c)

suagr and oxygen

d)

water and oxygen

27.

Identify this molecule

a)

Oxygen

b)

carbon dioxide

c)

water

d)

glucose

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