Q. Which of the following is non-biodegradable?

A) Sewage
B) DDT
C) Livestock waste
D) Market garbage
Explanation

The materials and poison such as aluminium ions, mercurial salts and DDT that either do not degrade or degrade only extremely slowly in the natural environment are called non-biodegradable pollutants.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.