Suggest an experiment to prove that a suitable temperature is necessary for germination.

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.