The apparatus shown can be used to measure the rate of oxygen consumption of germinating seeds during aerobic respiration.
![Respirometer Question CIE A Level](../../../../../../../../../../cdn-cgi/image/f%3Dauto%2Cwidth%3D1920/uploads/2022/06/Tbs7bnzY_1.png)
What would happen to the coloured liquid in the capillary tube when the seeds respire?
The fluid moves towards the seeds.
The fluid expands due to an increase in temperature.
The volume of the fluid decreases as oxygen is being used up.
The fluid moves away from the seeds.
Which of the following statements correctly describes anaerobic respiration in yeast?
I. The breaking down of glucose to yield products of ethanol and carbon dioxide.
II. The ethanol produced is toxic to the cell.
III. Lactic acid is produced as a metabolic waste product.
IV. Yields more ATP than aerobic respiration.
Which of the following is a major benefit of anaerobic respiration during exercise in humans?
Glucose molecules are fully oxidised during anaerobic respiration.
Anaerobic respiration can supply ATP very rapidly for a short period of time.
It produces useful byproducts.
Anaerobic respiration can supply ATP indefinitely.