WorksheetsNEW Photosynthesis
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Which of the following statements best describes the process of photosynthesis?
a)
plants use oxygen to make simple sugars
b)
chlorophyll builds sugars in the thylakoid membrane
c)
light breaks down water molecules and releases carbon dioxide
d)
chloroplasts absorb sunlight and store chemical energy
2.
The function of the light-dependent reactions is to
a)
build sugars
b)
capture and transfer energy
c)
release carbon dioxide
d)
form water molecules
3.
The light-independent reactions of photosynthesis need
a)
carbon dioxide
b)
oxygen
c)
water
d)
cellulose
4.
Where do the hydrogen ions for the photosystems of the light-dependent reactions come from?
a)
sugars
b)
sunlight
c)
acids
d)
water
5.
Which phrase best describes the electron transport chain in photosynthesis?
a)
a chain of photosynthetic proteins located in the stroma
b)
a collection of enzymes used to make ADP
c)
a series of proteins located in the thylakoid membrane
d)
a group of enzymes that carries energy to the Calvin Cycle
6.
Which molecule has the highest energy?
a)
adenosine diphosphate
b)
adenosine triphosphate
c)
carbohydrates
d)
nucleic acids
7.
Energy is released from ATP when
a)
the third phosphate is added to the molecule
b)
the third phosphate is ripped off the molecule
c)
all three phosphates are ripped off the molecule
d)
all three phosphates are added to the molecule
8.
1 Glucose = ________ ATP
a)
30
b)
36
c)
63
d)
6
9.
Autotrophs ________________ while heterotrophs ________________.
a)
must consume food; make their own food
b)
make their own food; must consume food
c)
make their own food; also make their own food
d)
eat other autotrophs; eat autotrophs
10.
What organelle holds the chlorophyll?
a)
Mitochondria
b)
Chloroplast
c)
Nucleus
d)
Ribosome
100 %
