Question

Write a activity separateing healthy and unhealthy seeds

Answer 1

material required to this activity are bowl of seeds,water,bucket.

1 ) first pour water in to the bucket

2 )keep the seeds in the bucket

3 )then you will observe some of the seeds will float and some are sink

3 )then you remove the seeds which are float

we have remove the seeds which are float because of the floated seeds made with plastic so due to these floated seeds are removed so these are not give any type of crop.

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.