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WorksheetsChapter 7 Quiz 1
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
Which of these creates their own food and does not rely on consuming other organisms?
a)
heterotrophs
b)
chemotrophs
c)
autotrophs
d)
synthotrophs
2.
Chloroplasts are most often
a)
evenly distributed throughout leaf tissue
b)
concentrated in a portion of a leaf called the stroma
c)
concentrated in a portion of the leaf tissue called mesophyll
d)
evenly distributed throughout the plant
3.
Where does the oxygen that is released into the atmosphere during photosynthesis come from?
a)
carbon dioxide
b)
glucose
c)
carbon monoxide
d)
water
4.
Why are plants green?
a)
chlorophyll a reflects green light
b)
chlorophyll a absorbs green light
c)
chlorophyll b uses green light as energy for photosynthesis
d)
green helps plants camouflage themselves
5.
True or False: carbon fixation provides the cell with a supply of NADPH molecules
a)
True
b)
False
6.
True or False: carbon fixation occurs when carbon atoms from CO2 are incorporated into an organic molecule
a)
True
b)
False
7.
Photoautotrophs
a)
eat other organisms that use light energy to make food molecules
b)
produce organic molecules from inorganic molecules
c)
include only green plants
d)
make sugar by using organic raw materials
8.
What is the source of energy that provides the boost for electrons during photosynthesis?
a)
ATP
b)
light
c)
electromagnetism
d)
cellular respiration
9.
What is the least useful color of light to the process of photosynthesis?
a)
red
b)
orange
c)
blue
d)
green
10.
How does CO2 enter a leaf?
a)
thylakoids
b)
grana
c)
stroma
d)
stomata
11.
A redox reaction involves the transfer of what?
a)
oxygen
b)
water
c)
electrons
d)
carbon dioxide
12.
Where are sugars made in the chloroplast?
a)
matrix
b)
thylakoid
c)
stomata
d)
stroma
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