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What size of particles can cause greates...

What size of particles can cause greatest harm to human health ?  

A

2.5 micrometers or less

B

2.5 micrometers or more

C

2 micrometers or less

D

2 micrometers or more

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The correct Answer is:
A
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KUMAR PRAKASHAN-ENVIRONMENTAL ISSUES-Section - F (Multiple Choice Question (MCQs))(MCQs FROM .DARPAN. BASED ON TEXTBOOK)
  1. Which of the following is improper phenomenon for deforestation ?

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  2. Which type of pollution is removed by scrubber method ?

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  3. What size of particles can cause greatest harm to human health ?

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  4. The nuclear waste is deposited in how many meters depth ?

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  5. A : When unwanted substances are added into water they make water impu...

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  6. How many people are died for the conservation of plants and nature ?

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  7. Substances which are harmful to organisms of biosphere are called :

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  8. GGCL company provides gas to which cities?

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  9. Which of the following is stopped by ozone layer from reaching the ear...

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  10. As the Biological Oxygen demand increases

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  11. Zooplankton : 0.04 ppm DDT :: Small fishes :

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  12. Which of the following problems can be created by nuclear energy ?

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  13. In electrostatic precipitators, electric charge is generated on .........

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  14. Under JFM, who has the ownership of the land ?

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  15. Which of the following cannot be associated with deforestation ?   (A...

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  16. Inflammation of cornea due to high dose of UV is called :

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  17. Which of the following statement is correct for Ozone layer depletion ...

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  18. In which year "Chipko Movement" started ?   (A) 1972 (B) 1973 ...

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  19. Aquatic weed is ......

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  20. Any undesirable change in physical, chemical on biological characteris...

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