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9.3 Material cycles and decomposition

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Question 35
F

A farmer adds a fertiliser containing nitrate ions to a field.

What do the crop plants use these ions to make?

[1]
A

Starch for storage in their cells

B

Amino acids for making their proteins

C

Glucose for use in their respiration

D

Cellulose for building their cell walls

Markscheme

9.3 Material cycles and decomposition Questions

  1. GCSE
  2. /Biology
  3. /9.3 Material cycles and decomposition

101 exam-style questions on Edexcel GCSE Biology 9.3 Material cycles and decomposition, covering 9.3.1 Cycling of materials through ecosystems, 9.3.2 The carbon cycle, 9.3.3 The water cycle, 9.3.4 The nitrogen cycle, 9.3.5 Indicator species and pollution, 9.3.6 Decomposition in preservation and composting, and 9.3.7 Rate changes in decay of biological material. Each one has a worked solution and a mark scheme showing where the marks go.

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