Name: __________________
Class:
Date: _____________
Lesson Assessment: Cellular Respiration
1. Where is the electron transport chain located?
a) within the plasma membrane of the cell
b) in the matrix of the mitochondrion
c) within the inner membrane of the mitochondrion
d) in ribosomes within the cytoplasm
2. What is the name of the series of processes that converts complex molecules to CO2 , H2 O, and biologically
useful energy?
a) glycolysis
b) fermentation
c) photosynthesis
d) respiration
3. The mitochondrion is filled with many layers and folds of inner membrane. What is the purpose of the
folding of the inner membrane?
a) to provide membranes for chemiosmosis
b) to provide a maximum amount of surface area
c) to provide a matrix for molecules to build on
d) to provide a structure for the electrochemical gradient
4. In which stage of cellular respiration are two molecules of PGAL formed?
a) glycolysis
b) fermentation
c) the citric acid cycle
d) electron transport chain
5. In which phase of respiration is ethyl alcohol formed?
a) fermentation
b) the Krebs cycle
c) glycolysis
d) the Calvin cycle
PAGE 1
Name: __________________
Class:
Date: _____________
Lesson Assessment: Cellular Respiration
6. Where in the cell does glycolysis take place?
a) matrix
b) cytoplasm
c) mitochondrion
d) nucleus
7. What is the function of NADH and FADH2 in cellular respiration?
a) They provide energized electrons for the phosphorylation of ADP.
b) They provide ATP synthetase with energy to synthesize ATP.
c) They provide energized electrons that pass through a series of reactions.
d) They provide hydrogen atoms that combine with oxygen to form H2 O.
8. In the electron transport chain, H+ ions move into the inside of the mitochondria to form an
_______________ .
a) electrochemical gradient
b) active transport mechanism
c) enzyme assembly
d) oxidation reduction reaction
9. Three of the main phases of cellular respiration are glycolysis, the citric acid cycle and the electron
transport chain. Which step is missing?
a) the formation of lactic acid from pyruvic acid
b) the formation of acetyl CoA from pyruvic acid
c) the formation of ethyl alcohol from pyruvic acid
d) the formation of NAD from NADH
10. How many molecules of NADH are produced in each cycle of the citric acid cycle?
a) 10
b) 2
c) 3
d) 4
PAGE 2
ANSWER KEY
1.. c
2.. d
3.. b
4.. a
5.. a
6.. b
ANSWER KEY Page 1
7.. c
8.. a
9.. b
10.. c