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3.1 Communicable diseases

3.1 Communicable diseases

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Question 19

Foxglove plants are a source of a drug used to treat heart conditions.

a.

Name the drug traditionally extracted from foxglove plants.

[1]
b.

Table 1 shows information about the mass of this drug found in a healthy foxglove plant.

Table 1

Part of foxglove plantMass of drug in 100 g of plant tissue (g)
Flowers1.8
Leaves1.5
Roots0.5

A diseased foxglove plant has a condition that limits its drug production. The mass of the drug found in the leaves of this diseased plant is only 40% of the mass shown in Table 1.

Calculate the mass of the drug in 300 g of these diseased leaves. Give your answer in mg.

[4]
Markscheme

3.1 Communicable diseases Questions

  1. GCSE
  2. /Biology
  3. /3.1 Communicable diseases

25 exam-style questions on AQA GCSE Biology 3.1 Communicable diseases, covering 3.1.1 Communicable (infectious) diseases, 3.1.2 Viral diseases, 3.1.3 Bacterial diseases, 3.1.4 Fungal diseases, 3.1.5 Protist diseases, 3.1.6 Human defence systems, 3.1.7 Vaccination, 3.1.8 Antibiotics and painkillers, and 3.1.9 Discovery and development of drugs. Each one has a worked solution and a mark scheme showing where the marks go.

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