WorksheetsPhotosynthesis
Total questions: 10
Worksheet time: 50mins
Name
Class
Date
1.
The important gases, carbon dioxide and oxygen, enter and leave the leaf through the
a)
upper epidermis
b)
phloem
c)
stomata
d)
guard cells
2.
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
3.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
4.
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 get the energy they need for photosynthesis from carbon dioxide.
5.
What gas is being released during photosynthesis
a)
sulfur
b)
carbon dioxide
c)
oxygen
d)
hydrogen
6.
TRUE or FALSE: Animals can make their own food inside themselves.
a)
True
b)
False
7.
With glucose from photosynthesis, plants can (mark all the ones that are correct)
a)
make starch
b)
make fats
c)
build cellulose
d)
convert it into energy
8.
This plant can store starch in their modified stems underground
a)
potato
b)
celery
c)
apple
d)
sugar cane
9.
Why do leaves have a waxy, transparent layer on their upper part?
a)
To protect leaves from insects
b)
To let sunlight in, without dehydrating
c)
It makes the leaves more resistant
d)
No reason at all
10.
Why do plants have vessels (vasos)? (Mark all that are correct)
a)
To take water and minerals from the roots to the leaves
b)
To take dissolved glucose from the leaves to all cells
c)
To transport gases used in respiration
d)
No reason at all
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