A : A few toxic substance often present in industrial waste waters undergo biological magnification.
R : A toxic substance can easily be metabolised or excreted by organism.

Assertion: A few toxic substances often present in industrial water can undergo biological magnification. Reason: Toxic substances accumulated by an organism can not be metabolised or excreted.

What type of substances can easily dissolve in water?

What type of substances can easily dissolve in water?

Toxic substances and heavy metals are often present in the waste water from industries like

Accumulation of toxic substance in living organism is called as :-

Name the toxic substance present in tobacco smoke. Discuss its ill effects on our body.

Most resistance biological material is Or An organic substance that can withstand enviornmental extremes and cannot be degraded by any enzyme is