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Learning objective

Conduct an investigation to describe how environmental factors such as water, oxygen, and appropriate temperature influence seed germination.

Read the explanation, check the common trap, then practise with flashcards and questions.

Exam focus

  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE Combined ScienceReproductionCore contentPractical objective

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Quick explanation

Conduct an investigation to describe how environmental factors such as water, oxygen, and appropriate temperature influence seed germination

  • This point belongs to Sexual reproduction in plants, especially Sexual reproduction in plants outcomes.
  • You need to be able to conduct an investigation to describe how environmental factors such as water, oxygen, and appropriate temperature influence seed germination.
  • The key ideas to know are Describe and Evaluate.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DescribeEvaluate

Why it matters

This objective helps connect Sexual reproduction in plants outcomes to exam-style questions, flashcards, and revision notes for Sexual reproduction in plants.

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Paper 6 structured question: Sexual reproduction in plants

Paper 6Alternative to PracticalPractical1 marks

Method

Seed Germination Experiment

In this experiment, seeds are placed in different amounts of water to observe the effect on germination rates.

Water Amount (ml)Germination Rate (%)
00
1020
2050
3080
40100
  1. a

    State the independent variable in this experiment.

    Aim for approximately 1 distinct marking point.

    [1]
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