Question

Please explain me the three-bean seeds experiment briefly

Answer 1

Here is ur answer

Aim: To show that Oxygen and water are necessary for seeds to germinate.
Materials required: 3 bean seeds, slide, water, and beaker
Procedure: Tie three bean seeds to a slide. Keep this slide in a beaker containing water in such a way that one seed is completely dipped inside water, second seed is half immersed in water and the top seed is completely out of water and is in exposed only to air.
Result: After few days we find that the seed which is present at the top and the bottom will not germinate. Only the middle one is seen to germinate properly.
Inference: This experiment shows us that both air and water are required for seeds to germinate properly. The top seed will not germinate because it gets only air and no water; the bottom seed only gets water and no air. But the middle seed gets both water and air to germinate.

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Answer 2

Three bean seeds experiment: -Seeds require water, air and suitable temperature to germinate. -Experiment starts with tying three seeds on a glass slide and is kept in a beaker containing water in such a way that one seed is completely immersed in water, middle one is half immersed and the last one is in air.