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Cambridge IGCSE Combined Science practice

Paper 6 structured question: Sexual reproduction in plants

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6

Paper

2

Marks

Topic

Sexual reproduction in plants

Exam-style question

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Paper 6Alternative to PracticalPractical2 marks

Analyzing results from a seed germination experiment.

Results Table

Germination Results

The table below shows the germination rates of seeds under different temperatures.

Temperature (°C)Germination Rate (%)
1010
2050
3080
4030
505
  1. a

    Describe the trend in germination rates as temperature increases.

    Aim for approximately 2 distinct marking points.

    [2]

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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]