Q. Which of the following statements is false?

A) The main reason for river water pollution is industrial and domestic sewage discharge
B) Surface water contains a lot of organic matter, mineral nutrients and radioactive materials
C) Oil spill in sea water causes heavy damage to fishery
D) Oil slick in a sea water increases DO value
Explanation

(d)
Oil slick causes water pollution, thus it decreases DO value (dissolved oxygen value) of sea water

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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