Respiration (OCR GCSE Biology A (Gateway)): Exam Questions

Glucose is broken down in the chemical processes of aerobic respiration.

Which row of the table below shows the correct products of this breakdown?

Which statement best describes why our bodies heat-up when we exercise?

Which of the following processes would release the most energy in a cell from one molecule of glucose?

The diagram below shows an experiment set up by a group of students to investigate respiration in standard baker's yeast.

Which row of the table below correctly describes the contents of the flask after 20 hours?

Which molecule is not a polymer?

This is a cell.

Where does cellular respiration occur?

What are proteins made of?

What is the word equation for aerobic respiration?

What type of reactions are photosynthesis and respiration?

Which two substances are products of anaerobic respiration in yeast?

Pond snails and pondweed are living in water in sealed test tubes.

Carbon dioxide dissolves in water and forms an acid.

In which test tube would the water become most acidic?

The diagram shows positive results in two different food tests.

What do the results show in each tube?

Aerobic respiration occurs all the time in plant cells but photosynthesis only occurs in daylight.

Why is more energy released by a plant cell during the night?

Which monomer is used to make proteins?

When the enzyme lipase is mixed with a lipid which of the following will increase in concentration?