Question 15
FThe figure shows some of the metabolic reactions that use the glucose made by a plant.
Figure: Some of the metabolic reactions in a plant that use the glucose made in photosynthesis
a.[1]
Name the substance in box X.
b.[1]
Name the process shown in box Y.
c.[1]
Give one use of cellulose in a plant.
d.[2]
A plant is grown in soil containing very few nitrate ions. Explain why this plant grows poorly.
e.[2]
A healthy plant is kept in complete darkness for several days. Explain why the mass of starch stored in the plant falls.
4.2 Respiration Questions
51 exam-style questions on AQA GCSE Biology 4.2 Respiration, covering 4.2.1 Aerobic and anaerobic respiration, 4.2.2 Response to exercise, and 4.2.3 Metabolism. Each one has a worked solution and a mark scheme showing where the marks go.