Name: ____________________________________
Class: _____________
Date: _____________
Self Assessment: Cellular Respiration
1. Organisms that synthesize organic molecules from inorganic molecules thereby making their own food are
_____.
a) autotrophs
b) heterotrophs
c) prokaryotes
d) eukaryotes
2. Which name is another name for the Krebs cycle?
a) chemiosmotic cycle
b) mediated transport cycle
c) Calvin cycle
d) citric acid cycle
3. Of which mechanism is the electron transport chain an instance?
a) homeostasis
b) chemiosmosis
c) mediated transport
d) active transport
4. What is the function of NAD in glycolysis?
a) to change glucose from a stable to a reactive form
b) to break down glucose into two molecules of pyruvic acid
c) to carry energized electrons for later chemical reactions
d) to generate two molecules of energy rich ATP
5. What is the total number of molecules of ATP yielded per glucose molecule directly by glycolysis?
a) 4
b) 2
c) 6
d) 1
PAGE 1
Name: ____________________________________
Class: _____________
Self Assessment: Cellular Respiration
6. In which phase of cellular respiration is pyruvic acid formed?
a) glycolysis
b) lactic acid fermentation
c) the citric acid cyle
d) the electron transport chain
7. What is the role of oxygen in aerobic respiration?
a) it is the ultimate electron acceptor
b) it combines with carbon to form CO2
c) it combines with hydrogen to form water
d) it cleaves H from NADH
8. Which carbon molecule is generated as the end product of the citric acid cycle?
a) pyruvate
b) succinate
c) citrate
d) oxaloacetate
9. Which stage is the first stage of aerobic respiration?
a) the generation of acetyl CoA from pyruvic acid
b) the generation of H2 O and 34 molecules of ATP
c) the breakdown of glucose to two pyruvic acid molecules
d) the formation of ATP, CO2 , NADH, and FADH2
10. The two types of fermentation are _____ and _____.
a) alcoholic and microbial
b) aerobic and anaerobic
c) catabolic and anabolic
d) alcoholic and lactic acid
PAGE 2
Date: _____________
ANSWER KEY
1. a
2. d
3. b
4. c
5. b
6. a
ANSWER KEY Page 1
7. a
8. d
9. a
10. d