Cambridge IGCSE Combined Science practice
Try the question first, then check the answer and practise the same topic again.
At a glance
MCQ
Type
cambridge_mcq
Style
Topic
Sexual reproduction in plants
Exam-style question
What is the main purpose of water in seed germination?.
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Common mistake
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Flashcard 1 of 6
Question 1 of 5
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Method
In this experiment, seeds are placed in different amounts of water to observe the effect on germination rates.
| Water Amount (ml) | Germination Rate (%) |
|---|---|
| 0 | 0 |
| 10 | 20 |
| 20 | 50 |
| 30 | 80 |
| 40 | 100 |
State the independent variable in this experiment.
Aim for approximately 1 distinct marking point.