• Code: B.4.10.H.18
  • Spefication Reference:
  • Keywords: Hormones, chemical, stimulus, auxin
  • Objectives: 1. Required practical: plan and carry out an investigation into the effect of light on plant shoots.
  • Competency: Describe how plant shoots and roots respond to light and gravity.
  • Proficiency: Explain positive and negative phototropism.
  • Mastery: Describe the use of chemicals in agriculture.


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