Anaerobic Respiration in Animals – Check Test

1. Which line in the table describes anaerobic respiration correctly?

	Glucose	Oxygen
A	breakdown	absent
B	build-up	present
C	breakdown	present
D	build-up	absent

2. What is produced at the end of anaerobic respiration in animals?

A ATP and carbon dioxide

B Carbon dioxide and water

C Lactic acid

D Pyruvic acid

3. How many molecules of ATP are formed when one molecule of

glucose is broken down anaerobically in animal cells?

A 0

B 2

C 36

D 38

4. Muscle fatigue is a condition caused by

A a build-up of pyruvic acid.

B a build-up of lactic acid.

C a lack of ATP.

D a lack of carbon dioxide.

5. Lactic acid is produced in muscle cells when

A not enough oxygen is supplied.

B carbon dioxide is converted into lactic acid.

C not enough ATP is produced.

D glycolysis does not occur.

6. Muscle fatigue would be likely to occur if a person

A did very little exercise.

B did mild, steady exercise.

C was resting after heavy exercise.

D was exercising heavily.

Questions 7&8 refer to the following information.

During the recovery period in muscles which have been respiring

anaerobically, lactic acid is converted to another substance.

7. Which substance is the lactic acid converted to during

the recovery period?

A Glucose

B Carbon dioxide

C ATP

D Pyruvic acid

8. What is used in muscle cells to allow this conversion

to lactic acid?

A ATP

B Carbon dioxide

C Oxygen

D Glucose