WorksheetsAP Biology Photosynthesis
Total questions: 15
Worksheet time: 15mins
Name
Class
Date
1.
What is one function of the other pigments besides chlorophyll, in the chloroplast?
a)
to block damaging wavelengths of light
b)
to absorb different wavelengths than the chloroplasts
c)
to provide different colors to the leaves
d)
to transfer energy to a separate photosystem beside the one using chlorophyll a and b.
2.
What is the primary function of the light reactions of photosynthesis?
a)
To produce glucose
b)
To produce NADPH and ATP
c)
To use ATP
d)
To produce RuBP
3.
What supplies the electrons that are lost in PS I?
a)
the electrons from PS II
b)
water
c)
glucose
d)
oxygen
4.
What is the function of NADP+?
a)
It absorbs light
b)
It is an electron carrier
c)
It is a light-reflecting pigment
d)
It acts as long-term energy storage
5.
Which of the following molecules is not needed for the Calvin Cycle?
a)
CO2
b)
ATP
c)
NADPH
d)
H2O
6.
Green plants reflect ________ light.
a)
Red
b)
Green
c)
All
d)
Red and Violet
7.
The light reactions occur in the ________ and the dark reactions take place in the ________.
a)
Chloroplast / thylakoid membrane
b)
stroma / thylakoid
c)
mesophyl / stomata
d)
thylakoid membrane / stroma
8.
Where does the carbon come from that is used to form glucose?
a)
The soil
b)
CO2 in the air
c)
From other carbohydrates
d)
Calvin Cycle
9.
Where is glucose synthesized
a)
Photosystem II
b)
Photosystem I
c)
Calvin Cycle
d)
Glycolysis
10.
Where does the Calvin cycle take place?
a)
stroma of the chloroplast
b)
thylakoid membrane
c)
outer membrane of the chloroplast
d)
interior of the thylakoid membrane
11.
When oxygen is released as a result of photosynthesis, it is a direct by-product of
a)
reducing NADP+
b)
splitting water molecules
c)
chemiosmosis
d)
electron transfer in photosystem II and I
12.
What is the primary function of the Calvin cycle?
a)
regenerate
ATP for use in the light reactions of photosynthesis
b)
produce carbon dioxide for use in the light
reactions of photosynthesis
c)
produce oxygen by oxidizing water
d)
produce simple sugars from carbon dioxide
13.
Plants with the largest amount of which pigment will be best suited for growing conditions where light has a green hue.
a)
Chlorophyll A
b)
Chlorophyll B
c)
Carotenoids
d)
A combination of all 3
14.
How many sugar molecules are produced from every six molecules of carbon dioxide that enter the Calvin cycle?
a)
1
b)
3
c)
6
d)
12
15.
The H+ concentration gradient is used to
a)
make NADPH
b)
split a water molecule
c)
generate ATP
d)
form water
100 %
