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Seed Germination : Question 2
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The three test tubes shown below were set up and left for one week at a temperature of 25°C.


Test tubes

After one week the results were as follows:


Tube A

The seeds started to germinate and then stopped

Tube B

The seeds germinated

Tube C

The seeds did not germinate


1. Explain why the seeds in test tube A started to germinate and then stopped.





2. Why did the seeds in tube C not germinate at all?





3. Write a full conclusion for this experiment.







4. You are given three test tubes, each exactly the same as test tube B. Describe how you would use these test tubes to find out if extremes of temperature effect the germination of seeds.