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WorksheetsPhotosynthesis & Cellular Respiration
Total questions: 35
Worksheet time: 41mins
Name
Class
Date
1.
In which eukaryotic organelles does photosynthesis occur?
a)
mitochondria
b)
stomata
c)
xylem
d)
chloroplast
2.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
3.
The reactants of photosynthesis are
a)
sugar and water.
b)
sugar and oxygen.
c)
carbon dioxide and water.
d)
carbon dioxide and oxygen.
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 do not require energy to perform photosynthesis.
5.
What are the products of photosynthesis?
a)
Carbon dioxide and water
b)
Carbon dioxide and oxygen
c)
Glucose and oxygen
d)
Glucose and water
6.
What pigment absorbs sunlight for photosynthesis?
a)
chloroplast
b)
thylakoid
c)
grana
d)
chlorophyll
7.
Autotroph or heterotroph?
a)
Autotroph
b)
Heterotroph
8.
Autotroph or heterotroph?
a)
Autotroph
b)
Heterotroph
9.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
6CO2 + 6H2O --> 6O2 + C6H12O6
b)
6CO2 + C6H12O6 + 6H2O --> O2
c)
6O2 + 6H2O --> 6CO2 + C6H12O6
d)
C6H12O6 + 6O2 ---> 6H2O + 6CO2
10.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
11.
Where do the light-dependent reactions occur?
a)
thylakoid membrane
b)
stroma
c)
mesophyll
d)
mitochondria
12.
What is the primary function of the light-dependent reactions of photosynthesis?
a)
To produce glucose
b)
To produce NADPH and ATP
c)
To use ATP
d)
To produce RuBP
13.
Which of the following is NOT a product of the light-dependent reactions?
a)
ATP
b)
NADPH
c)
Oxygen
d)
Glucose
14.
What is the function of NADPH and ATP?
a)
They absorb light
b)
The power the light-dependent reactions
c)
They are light-reflecting pigments
d)
They act as short-term energy storage
15.
Use the diagram to answer the question. Between which parts of the molecule must the bonds be broken to form an ADP molecule?
a)
A and B
b)
A and C
c)
B and C
d)
C and D
16.
Plants need carbon dioxide from their environment to produce glucose during which stage of photosynthesis?
a)
The light-dependent stage
b)
The light-independent stage (The Calvin Cycle)
c)
The electron transport chain
d)
ATP formation
17.
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
18.
Which of the following best describes photosynthesis?
a)
Photosynthesis converts radiant energy into chemical energy.
b)
Photosynthesis produces carbohydrates.
c)
Plants need sunlight, carbon dioxide, water, nutrients, and chlorophyll to complete photosynthesis.
d)
Plants use chlorophyll, water, and carbon dioxide to make sugar.
19.
Carbon dioxide and oxygen both enter and leave the leaf at the
a)
pore
b)
spongy measophyll
c)
guard cells
d)
stomata
20.
The mitochondria is responsible for ...
a)
photosynthesis
b)
anaerobic respiration
c)
aerobic respiration
d)
fermentation
21.
What is one of the reactants of cellular respiration?
a)
energy
b)
glucose
c)
carbon dioxide
d)
water
22.
All living things do which of the following?
a)
Chemosynthesis
b)
Respiration
c)
photosynthesis
d)
all of the answers
23.
Aerobic respiration is different from anaerobic respiration in that aerobic respiration needs...
a)
chlorophyll
b)
carbon dioxide
c)
glucose
d)
oxygen
24.
______________ produces the most ATP.
a)
photosnthesis
b)
aerobic respiration
c)
anaerobic respiration
d)
glycolysis
25.
How many ATP are produced in aerobic respiration?
a)
2
b)
33
c)
4
d)
36
26.
In which way are photosynthesis and cellular respiration different?
a)
Cellular respiration stores ATP, while photosynthesis releases ATP.
b)
Cellular respiration produces oxygen, while photosynthesis uses oxygen.
c)
Photosynthesis releases energy, while cellular respiration stores energy.
d)
Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide.
27.
Which of the following structure is where cellular respiration occurs in the cell?
a)
nucleus
b)
cytoplasm
c)
mitochondria
d)
vacuoles
28.
What are the reactants in the equation for cellular respiration?
a)
oxygen and lactic acid
b)
carbon dioxide and water
c)
glucose and oxygen
d)
water and glucose
29.
What is the correct equation for cellular respiration?
a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
c)
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
d)
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
30.
Anaerobic respiration.....
a)
doesn't require CO2
b)
requires CO2
c)
doesn't require oxygen
d)
requires oxygen
31.
Cellular Respiration's goal is to
a)
make water
b)
make ATP
c)
make glucose
d)
make oxygen
32.
What is cellular respiration?
a)
the breakdown of glucose to release ATP
b)
the breakdown of glucose to release NADH
c)
the breakdown of glucose to release FADH
d)
the breakdown of glucose to release carbon
33.
Where does aerobic respiration occur?
a)
glucose molecule
b)
mitochondria
c)
cytoplasm
d)
chloroplast
34.
The energy in ATP is stored
a)
in the bond between the second and third phosphate
b)
in the bond between the first and second phosphate
c)
in the bond between the adenosine and the first phosphate
d)
I like turtles
35.
The energy carrier that the cell uses to power its day to day activities is
a)
ATP
b)
NADH
c)
FADH2
d)
glucose
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