Biology 0610 · IGCSE · Food supply

Food supply — practice question

The graph illustrates world wheat production between 1950 and 2000. What factors have led to the changes shown in wheat production?

  • Anot using herbicides
  • Bnot using insecticides
  • Cusing selective breeding
  • Dusing smaller areas of land

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI