Question

how are unhealthy seeds are separated from healthy seeds

Answer 1

put all the seeds into the water the seeds which is settle down in the water those seeds are healthy seeds and those seeds are floating On The Water surface is called and unhealthy seeds

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