WorksheetsPhotosynthesis and Decomposer Review
Total questions: 11
Worksheet time: 6mins
Name
Class
Date
1.
What role do decomposers play in an ecosystem?
a)
Produce food
b)
recycle matter
c)
provide oxygen
d)
supply water
2.
Which is the correct sequence to show how organisms live in an environment?
a)
decomposer-->consumer-->producer
b)
consumer-->decomposer-->producer
c)
producer-->decomposer-->consumer
d)
producer-->consumer-->decomposer
3.
The following picture illustrates what process?
a)
Photosynthesis
b)
Phototropism
c)
geotropism/gravitropism
d)
all of the above
4.
Complete the equation: _____ and _____ are the reactants (needed) for photosynthesis to occur.
a)
carbon dioxide and oxygen
b)
carbon dioxide and water
c)
water and sugar
d)
glucose and oxygen
5.
Which organelle is the site of photosynthesis?
a)
nucleus
b)
chloroplast
c)
xylem
d)
vacuole
6.
What is food for the plants?
a)
carbon dioxide
b)
water
c)
oxygen
d)
glucose
7.
The process where plants convert radiant energy into chemical energy is---
a)
phototropism
b)
photosynthesis
c)
photography
d)
geotropism
8.
What are two products of photosynthesis (what it makes)?
a)
glucose and water
b)
carbon dioxide and water
c)
oxygen and water
d)
glucose and oxygen
9.
What is the primary photosynthetic pigment found in a chloroplast?
a)
chloroplast
b)
chloropyll
c)
melanin
d)
green dye 11
10.
What type of energy is provided from the sun and is necessary for photosynthesis?
a)
chemical
b)
mechanical
c)
thermal
d)
radiant
11.
Which type of organisms can transform energy from sunlight into food?
a)
consumers
b)
heterotrophs
c)
decomposers
d)
producers
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