Question

How we will separate healthy and unhealthy seeds

Answer 1

We actually soak them in water.
The healthy ones settle down and the unhealthy ones float on the top.

Answer 2

Procedure

(1) Take a beaker and fill half of it with water.

(ii) Put a handful of wheat seeds in the beaker.

(iii) Stir the water and leave the set-up standing for some time.

(iv) Observe the seeds carefully.

Observation

Some seeds float on water while others sink and settle at the bottom.

Conclusion

The floating seeds are damaged or unhealthy seeds while the seeds that settle at the bottom are good and healthy seeds. We should use the seeds that are settle at the bottom.

Precautions

(1) Stir the seeds carefully.

(i) Handle the glassware carefully.

hope it helps

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