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CAIE A-Level Biology 19.3.1 Genetic Engineering and Food Demand

Practise explaining how engineered herbicide, pest or heat tolerance changes competition, crop loss, resource use, quality and agricultural yield.

Syllabus
2028–2030
Course
Biology 9700
Level
A2

Exam points

  • trace herbicide resistance through weed control and reduced competition to higher yield
  • link Bt toxin or disease resistance to lower crop loss, pesticide use and production cost
  • use crop, pest or temperature data to judge which engineered trait best improves output

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