WorksheetsPhotosynthesis
Total questions: 10
Worksheet time: 8mins
Name
Class
Date
1.
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
2.
What are the products of photosynthesis?
a)
oxygen and carbon dioxide
b)
oxygen and glucose
c)
carbon dioxide and water
d)
water and glucose
3.
In which organelle does photosynthesis occur?
a)
mitochondria
b)
cell membrane
c)
nucleus
d)
chloroplasts
4.
Because plants carry out photosynthesis, they are considered _____.
a)
heterotrophs
b)
autotrophs
c)
consumers
d)
unicellular
5.
What is the chemical formula for glucose?
a)
C6H12O6
b)
C6H6O12
c)
C12H6O12
d)
C6O2H6
6.
What is the chemical formula for water?
a)
H2O
b)
HO2
c)
CHO2
d)
CO2H
7.
What is the chemical formula for carbon dioxide?
a)
H2O
b)
CO2
c)
CHO2
d)
CO2H
8.
What is the chemical formula for oxygen?
a)
H12O2
b)
C6O2
c)
O3
d)
O2
9.
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
10.
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
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