Question

give reasons for the following (a) exess water supply can damage crops. (b) grains are not stored without sun-drying. (c) overuse of the pesticides should be avoided.

Answer 1

(a)Ans- There is some capacity of plants to take water and if we cross the limit of the capacity than the remaining water will be unable to carry by the plants and thus it may lead to crop damage. b.Ans- All plants reqd sunlight for well growth and photosynthesis and if avoid these than the plant I.e grain will be unable to absorb sunlight and will get oxidized so it is recommended to not to store grains without sunlight . c. Ans- pesticides are used to kill the pest but it also harmful to plants because it is an inorganic substance and is not biodegradable so if we use much pesticide than plants May die or May not give good crops

Answer 2

a) excess water can damage to crops because its will lose the soil particles and also stop the air circulation.

b) harvested food grains are often contain moisture than suitable for their storage hence this grains are Sun dried before storing.

c) the pesticides are the chemicals which has which are sprayed during the the killing of pestsand because of that it stick to the fruits and vegetable and also absorbed by the plants they can therefore become a part of change it is it is reason for these that use of pesticides must be kept to bare minimum.