World Ozone Day is celebrated on?

1. 5th June
2. 21st April
3. 16th September
4. 22nd April

Subtopic:  Ozone Layer Depletion |
 63%
NEET - 2018
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Match the items given in Column I with those in Column II and select the correct option given below: 

Column I Column II
(a) Eutrophication (i) UV-B radiation 
(b) Sanitary landfill  (ii) Deforestation 
(c) Snow blindness (iii) Nutrient enrichment 
(d) Jhum cultivation  (iv) Waste disposal
 
Options: (a) (b) (c) (d)
1. (ii) (i) (iii) (iv)
2. (i) (iii) (iv) (ii)
3. (iii) (iv) (i) (ii)
4. (i) (ii) (iv) (iii)
 


 

Subtopic:  Solid Waste Pollution | Resource Utilisation & Maintenance | Water Pollution |
 94%
From NCERT
NEET - 2018
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A system of rotating crops with legume or grass pasture to improve soil structure and fertility is called?
1. contour farming
2. strip farming
3. shifting agriculture
4. ley farming

Subtopic:  Agrochemical & Radioactive Waste |
NEET - 2016
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Rachel Carson's famous book 'Silent Spring' is related to:

1. pesticide pollution
2. noise pollution
3. population explosion
4. ecosystem management

Subtopic:  Agrochemical & Radioactive Waste |
NEET - 2015
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Which of the following is not one of the prime health risks associated with greater UV radiation through the atmosphere due to the depletion of the stratospheric zone?

1. Increased skin cancer
2. Reduced immune system
3. Damage to eyes
4. Increased liver cancer

Subtopic:  Ozone Layer Depletion |
 65%
From NCERT
NEET - 2015
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Which one of the following pairs of gases are the cause of 'Greenhouse effect'?

1. CO2 and CO

2. CFCs and SO2

3. CO2 and N2O

4. CO2 and O3

Subtopic:  Green House Effect & Global Warming |
 76%
From NCERT
AIPMT - 2011
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Which one of the following expanded forms of the following acronyms is correct?
 
1. UNEP - United Nations Environmental Policy
2. EPA - Environmental Pollution Agency
3. IUCN -International Union for Conservation of Nature and Natural Resources
4. IPCC -International Panel for Climate Change

Subtopic:  Air Pollution |
 86%
AIPMT - 2011
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Which one of the following statements is wrong in case Bhopal gas tragedy?

1.  Thousands of human beings died

2.  Radioactive fall-out engulfed Bhopal

3.  It took place on the night of December 2/3, 1984

4.  Methyl isocyanate gas leakage took place

Subtopic:  Agrochemical & Radioactive Waste |
 73%
AIPMT - 2011
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Match correctly the following and choose the correct option

(i) Environment Protection Act                                A. 1974

(ii) Air Prevention & Control of Pollution Act         B. 1987

(iii)Water Act                                                              C. 1986

(iv)Amendament of Air Act to include noise          D. 1981

The correct matches is;

1. i-C, ii-D, iii-A, iv-B

2. i-A, ii-C, iii-B, iv-D

3. i-D, ii-A, iii-B, iv-C

4. i-C, ii-D, iii-B, iv-A

Subtopic:  Introduction to Pollution & Types | Air Pollution | Water Pollution: I | Water Pollution |
 85%
From NCERT
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Fill up the blanks:
i. In a scrubber, the exhaust is passed through a spray of _______.

ii. According to Central Pollution Control Board , particulate size _________ or less in diameter are responsible for causing the greatest harm to human health.

iii. Electrostatic precipitator, which can remove __________ present in the exhaust from a thermal power plant.

iv. As the exhaust passes through the catalytic converter, unburnt hydrocarbons are converted into carbon dioxide and ______.

          i                          ii                                iii                                 iv

1.  Lime          2.8 micro-meters        Gases like sulphur dioxide        Hydrogen

2. Kerosene     2.5 micro-meters        Gases like sulphur dioxide          Water

3. Lime           2.5 micro- meters          Over 99 per cent                     Water
                                                         particulate matter 

4. Kerosene      2.8 micro- meters       Over 99 per cent                     Hydrogen
                                                        particulate matter

Subtopic:  Air Pollution |
 90%
From NCERT
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