WorksheetsAP Biology Energy Photosynthesis and Cellular Respiration
Total questions: 21
Worksheet time: 18mins
Name
Class
Date
1.
How is cellular respiration related to photosynthesis?
a)
Both require oxygen to start
b)
respiration is the opposite of photosynthesis
c)
Both start with glycolysis
d)
Both end with 38 ATP for cells
2.
Which of the following statements are false?
a)
Glycolysis can occur with or without oxygen
b)
Glycolysis is the first step in both anaerobic and aerobic respiration
c)
Glycolysis occurs in the mitochondria
d)
Glycolysis produces 2 ATP, 2 Pyruvates, and 2 NADH
3.
What are the products (things that are made) in cellular respiration
a)
ATP
b)
Carbon dioxide (CO2)
c)
Water
d)
All of the above
4.
Glucose is broken down into pyruvate in a process known as
a)
glycolysis
b)
electron transport
c)
the Krebs cycle
d)
phosphorylation
5.
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
6.
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
7.
Which of these molecules is released during the Kreb's cycle
a)
nitrogen
b)
oxygen
c)
hydrogen sulfide
d)
Carbon Dioxide (CO2)
8.
What is the main job of the electron carriers in cellular respiration?
a)
Transport electrons and hydrogen atoms to the electron transport chain
b)
Capture energy throughout the process of cellular respiration
c)
Provide the reactants for the process of cellular respiration
d)
Pump positive hydrogen ions and shuttle electrons across the electron transport chain and contribute to chemiosmosis
9.
Which molecule enters Kreb's Cycle?
a)
CO2
b)
Glucose
c)
Acetyl CoA
10.
What enzyme in the ETC is responsible for generating the ATP molecules?
a)
ATPase
b)
ATP synthase
c)
Hexokinase
d)
none of the above
11.
Where does ETC occur?
a)
Mitochondrial matrix
b)
Outer mitochondrial membrane
c)
Inner mitochondrial membrane
d)
Cytosol
12.
after strenuous exercise, a muscle cell would contain decreased amounts of ______ and increased amounts of ______ ____
a)
glucose; ATP
b)
ATP; glucose
c)
oxygen; lactic acid
d)
lactic acid; ATP
13.
site of the krebs cycle
a)
1
b)
2
c)
3
d)
4
14.
During chemiosmosis
a)
H+ ions serve as the final electron acceptor
b)
a concentration gradient is generated when H+ ions are passively transported from the matrix to the intermembrane space of the mitochondrion
c)
energy is released as H+ ions move freely across the mitochondrial membrane
d)
ATP is synthesized when H+ ions move through a channel in ATP synthase
15.
What are the stages of cellular respiration in order?
a)
glycolysis, oxidative phosphorylation, the citric acid cycle
b)
oxidative phosphorylation, glycolysis, the citric acid cycle
c)
glycolysis, the citric acid cycle, oxidative phosphorylation
d)
the citric acid cycle, oxidative phosphorylation, glycolysis
16.
What is the main purpose of the Krebs cycle?
a)
to produce ATP
b)
to produce electron donators
c)
to produce water
d)
to produce carbon dioxide
17.
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
18.
What supplies the electrons that are lost in PS I?
a)
the electrons from PS II
b)
water
c)
glucose
d)
oxygen
19.
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
20.
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
21.
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
100 %
