According to Central Pollution Control Board (CPCB), which partic…

MCQ

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 ?

✓
2.5 or less
B
1.5 or less
C
1.0 or less
D
Between 2.5-5.3

✓

Answer

Correct option: A.

2.5 or less

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "MCQ" from Biodiversity, Conservation and Environmental Issues→Biodiversity, Conservation and Environmental Issues — all question types→BIOLOGY STD 12 Science question papers→Maharashtra Board STD 12 Science question papers→Maharashtra Board question paper generator→

Similar questions

The following represents the different trophic levels of a food chain. Which one has the highest level of $\ce{DDT}$ deposition in its body?

→

Gross primary productivity is the rate of production of $..........$ during photosynthesis.

→

Sakshi's father announced that the children are going to spend this weekend with their grandparents. During the journey, Sakshi saw some farmers who were spraying agrochemicals in their field. She requested her father to stop them. Her father praised her and contacted the farmers. He explained the side effects of such agrochemicals. He also suggested them to use biopesticides and biofertilisers instead of such chemicals. The farmers gave up spraying agrochemicals.

What did Sakshi's father explain to the farmers?
What are agrochemicals?
Why are biofertilisers or biopesticides preferred to chemical fertilisers or pesticides?
What values did Sakshi promote?

→

Select the incorrect pair.

→

Restriction endonucleases are useful in :

→

The immune system comprises.

→

Which of the following is correct statement?

→

In a recently fertilized ovule, the haploid, diploid and triploid conditions are respectively seen in ………………

→

Inferior ovary occurs in $.....$