State three ways by which pests attack plants.

Q. (i) State three ways by which pests attack plants. 
(ii) Name the chemicals used to control pests. 
(iii) Explain why excessive use of such chemicals should be avoided. 
Ans. (i) (a) Pests cut the root, stem and leaf of plants.
(b) They suck the cell sap from vairous parts of the plant.
(c) They bore into stem and fruit.
(ii) Pesticides/herbicides/insecticides/ fungicides. (Any two)
(iii) They are poisonous to many plant and animal species. They cause environmental pollution.

Follow on Facebook page – Click Here

Google News join in – Click Here

Read More Asia News – Click Here

Read More Sports News – Click Here

Read More Crypto News – Click Here

Leave a Reply

Your email address will not be published. Required fields are marked *