Question

According to Central Pollution Control Board (CPCB), which particulate size in diameter (in micrometers) of the air pollutants is responsible for greatest harm to human health

A. 1.0 or less

B. 5.2 - 2.5

C. 2.5 or less

D. 1.5 or less

Answer : 2.5 or less

Releted MCQ Question on
Botany >> Environmental Issues

Releted Question 1

Which of the following is a secondary pollutant?

A. $$CO$$

B. $$CO_2$$

C. $$O_2$$

D. $$SO_2$$

Releted Question 2

Which one of the following statements is not valid for aerosols?

A. They alter rainfall and monsoon patterns

B. They cause increased agricultural productivity

C. They have negative impact on agricultural land

D. They are harmful to human health

Releted Question 3

Acid rain is caused by increase in the atmospheric concentration of:

A. $$SO_3$$ and $$CO$$

B. $$CO_2$$ and $$CO$$

C. $$O_3$$ and dust

D. $$SO_2$$ and $$NO_2$$

Releted Question 4

A location with luxuriant growth of lichens on the trees indicates that the:

A. Trees are very healthy

B. Trees are heavily infested

C. Location is highly polluted

D. Location is not polluted

Practice More Releted MCQ Question on
Environmental Issues

Practice More MCQ Question on Biology Section

Zoology Animal Kingdom Structural Organisation in Animals Biomolecules Digestion and Absorption Breathing and Exchange of Gases Body Fluids and Circulation Excretory Products and Their Elimination Locomotion and Movement Neural Control and Coordination Chemical Coordination and Integration Human Reproduction Reproductive Health Evolution Human Health and Diseases Biotechnology: Principles and Processes Biotechnology and its Applications Zoology Miscellaneous