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Question
Suggest an experiment to prove that a suitable temperature is necessary for germination.
Solution
Aim: To prove that a suitable temperature is necessary for germination.
Apparatus: Two beakers, wet cotton wool, refrigerator
Procedure:
(1) Take two beakers and label them as A and B.
(2) Place some gram seeds on wet cotton wool in each of the beakers.
(3) Keep beaker A at ordinary room temperature and beaker B in the refrigerator.
(4) In 1-2 days, the seeds in beaker A will germinate, showing the importance of a suitable temperature for germination. Seeds in beaker B may not show the signs of germination or may germinate after several days, though not to the extent as the seeds in beaker A.
Inference: Seeds require a suitable temperature for germination.
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