Chapter 22 test

Which of the following cells probably have the lowest rate of respiration?

• liver cells

• muscle cells

• epithelial cells of air sacs of the lungs

• root hair cells

The diagram shows a set-up used to study respiration of a mouse.

What is the purpose of this study?

• to show that oxygen is consumed in respiration

• to show that carbon dioxide is produced in respiration

• to show that heat is released in respiration

• to show that water vapour is released in respiration

The diagram shows a set-up used to study respiration of a mouse.

What would be the change in the liquid level at arms X and Y of the U-shaped capillary tube after 15 minutes?

• A

• B

• C

• D

Which of the following is / are necessary for glycolysis to occur?

(1) ATP

(2) oxygen

(3) NADH

• (1) only

• (2) only

• (1) and (2)

• (1) and (3)

The diagram shows some stages of aerobic respiration.

At which stage(s) is carbon dioxide released?

• R only

• P and R only

• P and Q only

• Q and R only

Which of the following statements about pyruvate is / are correct?

(1) It contains less energy than glucose per molecule.

(2) It is produced in the mitochondria.

(3) It is converted into lactic acid when oxygen is absent.

• (3) only

• (1) and (2) only

• (1) and (3) only

• (1), (2) and (3)

Which of the following is / are produced by both aerobic respiration and anaerobic respiration in humans?

(1) ATP

(2) water

(3) carbon dioxide

• (1) only

• (1) and (2) only

• (1) and (3) only

• (1), (2) and (3)

In a set-up, some living yeast cells were added to glucose solution that had been boiled and cooled. The graph shows the changes in the amounts of three substances in the set-up. What do curves 1, 2 and 3 represent, respectively?

• A

• B

• C

• D

Which of the following comparisons between alcoholic fermentation and lactic acid fermentation is correct?

• A

• B

• C

• D

Which of the following comparisons between aerobic respiration and photosynthesis is correct?

• A

• B

• C

• D