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BECE Science 2021 Paper
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© africaexams.com
Question : 5
Total: 40
Which of the following statements about aerobic and anaerobic respiration is not correct?
Water is produced as a by-product in anaerobic respiration.
Alcohol or lactic acid is produced in anaerobic respiration.
No oxygen is required in anaerobic respiration
Very little energy is released in anaerobic respiration.
Validate
Solution:
Differences between aerobic and anaerobic respirations
Aerobic Respiration
Anaerobic Respiration
Oxygen is present when this form of respirationtakes place
Oxygen is absent when this form of respiration takes place
Gases are exchanged in this form of respiration
Gases are not exchanged in this form of respiration
It can be found in the cytoplasm and themitochondria
It can be found only in the cytoplasm
Glucose breaks down into carbon dioxide and water
Glucose breaks down into ethyl alcohol, carbon dioxide and energy
All higher organisms such as mammals have thistype of respiration
Lower organisms such as bacteria and yeast use this type. In otherorganisms, it occurs during heavy activities
Releases more energy
Releases less energy
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