JAMB and WAEC Biology questions: Respiration

55 questions with answers and explanations. Tap an option to check yourself.

All topics Cell structure and organisation · 56 Cellular activities · 56 Co-ordination and control · 58 Ecology · 71 Evolution · 45 Excretion · 52 Growth · 45 Heredity and variation · 60 Nutrition · 64 Reproduction · 62 Respiration · 55 Support and movement · 50 Transport · 57 Variety of organisms · 60

Question 21· Respiration· JAMB
During inhalation in humans, the diaphragm
Explanation and discussion
Question 22· Respiration· WAEC
Gaseous exchange in the human lungs takes place in the
Explanation and discussion
Question 23· Respiration· JAMB
The respiratory quotient (RQ) when carbohydrate is respired aerobically is
Explanation and discussion
Question 24· Respiration· JAMB
Yeast is used in baking bread because it produces
Explanation and discussion
Question 25· Respiration· WAEC
The energy-carrying molecule produced in respiration is
Explanation and discussion
Question 26· Respiration· JAMB
The Krebs cycle takes place in the
Explanation and discussion
Question 27· Respiration· WAEC
During inspiration in man, the diaphragm
Explanation and discussion
Question 28· Respiration· WAEC
Which of these is a product of anaerobic respiration in human muscles?
Explanation and discussion
Question 29· Respiration· JAMB
Exhaled air turns lime water milky because it contains more
Explanation and discussion
Question 30· Respiration· WAEC
Yeast respiring anaerobically in dough makes bread rise because it produces
Explanation and discussion
Question 31· Respiration· JAMB
In a fish, water flows over the gills in the opposite direction to the blood. This counter-current flow
Explanation and discussion
Question 32· Respiration· JAMB
After vigorous exercise, a person continues to breathe deeply in order to
Explanation and discussion
Question 33· Respiration· JAMB
Compared with aerobic respiration, anaerobic respiration releases
Explanation and discussion
Question 34· Respiration· WAEC
The gas that is used up during aerobic respiration is
Explanation and discussion
Question 35· Respiration· JAMB
The rate of breathing is mainly controlled by the concentration of
Explanation and discussion
Question 36· Respiration· JAMB
The respiratory quotient for the respiration of carbohydrates is
Explanation and discussion
Question 37· Respiration· WAEC
The breathing organ of a fish is the
Explanation and discussion
Question 38· Respiration· WAEC
The respiratory quotient (RQ) of carbohydrates is
Explanation and discussion
Question 39· Respiration· WAEC
When yeast ferments sugar in the absence of oxygen, the products are
Explanation and discussion
Question 40· Respiration· WAEC
The energy released in respiration is stored in the cell as
Explanation and discussion

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JAMB and WAEC Biology questions: Respiration

During inhalation in humans, the diaphragm

Gaseous exchange in the human lungs takes place in the

The respiratory quotient (RQ) when carbohydrate is respired aerobically is

Yeast is used in baking bread because it produces

The energy-carrying molecule produced in respiration is

The Krebs cycle takes place in the

During inspiration in man, the diaphragm

Which of these is a product of anaerobic respiration in human muscles?

Exhaled air turns lime water milky because it contains more

Yeast respiring anaerobically in dough makes bread rise because it produces

In a fish, water flows over the gills in the opposite direction to the blood. This counter-current flow

After vigorous exercise, a person continues to breathe deeply in order to

Compared with aerobic respiration, anaerobic respiration releases

The gas that is used up during aerobic respiration is

The rate of breathing is mainly controlled by the concentration of

The respiratory quotient for the respiration of carbohydrates is

The breathing organ of a fish is the

The respiratory quotient (RQ) of carbohydrates is

When yeast ferments sugar in the absence of oxygen, the products are

The energy released in respiration is stored in the cell as