Q10 of 16 Page 123

A farmer had been using a particular insecticide for a long time. What consequences will it have on- a) insect population b) soil ecosystem? (AS 2)

Insecticides are the substance that used to kill the insects.

Impact of insecticides on insect population —


1. Cause the death of non-targeted organism.


2. Insecticides can kill the beneficial insects. Eg- ladybugs, honeybee, beetles etc.


Impact of insecticides on Soil ecosystem—


1. Decrease the biodiversity of the soil.


2. Kill soil microorganisms.


3. Decrease the soil fertility.


4. Affect the food chain.


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