Question

Immobilization is used to remove which type of contaminants?

(a) Hydrogen

(b) Nitrogen

(c) Carbon monoxide

(d) Metals

I have been asked this question in an international level competition.

I'm obligated to ask this question of Microbial Transformations of Pesticides topic in division Microbial Transformations of Pesticides of Environmental Biotechnology

Answer 1

Correct answer is (d) Metals

For explanation: Immobilization is used to remove metal contaminants by the process of bio-accumulation and absorption by microorganisms, Carbon monoxide, hydrogen and nitrogen is the natural constitution of air and is not a pollutant.