In almost all Indian metropolitan citiies like Delhi, the major atmospheric pollutant(s)

is/are:

1. suspended particular matter (SPM)

2. oxides of suplhur

3. carbon dioxide and carbon monoxide

4. oxides of nitrogen.

Subtopic:  Air Pollution |
 62%
AIIMS - 2003
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A lake with an inflow of domestic sewage rich in organic waste may result in 

1. drying of the lake very soon due to algal bloom

2. an increased production of fish due to lot of nutreients

3. death of fish due to lack of oxygen

4. increased population of aquatic food web organisms.

Subtopic:  Water Pollution: I | Water Pollution |
 86%
From NCERT
AIIMS - 2004
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Minamata disease was caused due to the consumption of

1. sea food containing lot of cadmium

2. fish contaminated with mercury

3. oysters with lot of pesticide

4. sea food contaminated with selenium.

 

Subtopic:  Water Pollution: II | Water Pollution |
 83%
AIIMS - 2004
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Formation of non-functional methaemoglobin causes blue-baby syndrome. This is due to
(1) excess of arsenic concentration in drinking water

(2) excess of nitrates in drinking water

(3) deficiency of iron in food

(4) increased methane content in the atmosphere

 

Subtopic:  Water Pollution: II | Water Pollution |
 69%
AIIMS - 2005
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Which one of the following statement pertaining to pollutants is correct?
(1) DDT is a non-biodegradable pollutant.

(2) Excess fluoride in drinking water causes osteoporosis.

(3) Excess cadmium in drinking water causes black foot disease.

(4) Methylmercury in water may cause "Itai Itai" disease.

Subtopic:  Water Pollution: I | Water Pollution |
 79%
AIIMS - 2005
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Pollution from animal excreta and organic waste from kitchen can be most profitably minimized
(1) storing them in underground storage tanks

(2) using them for producing biogas

(3) vermiculture

(4) using them directly as biofertilizers

Subtopic:  Agrochemical & Radioactive Waste |
 56%
AIIMS - 2006
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Which one of the following is an enviroment related disorder with the correct main cause?
(1) Black lung disease (pneumoconiosis) found mainly in workers in stone quarries and crushers.

(2) Blue baby disease (methaemoglobinaemia) due to heavy use of nitrogenous fertilizers in the area.

(3) Skin cancer mainly in people exposed to benzene and methane.

(4) Both a and b 

Subtopic:  Air Pollution |
AIIMS - 2006
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The Montreal Protocol refers to
(1) persistent organic pollutants

(2) global warming and climate change

(3) substances that deplete the ozone layer

(4) biosafety of genetically modified organisms.

Subtopic:  Ozone Layer Depletion |
 88%
From NCERT
AIIMS - 2006
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Ozone in stratosphere extends
(a) 10-20 km

(b) 20-25 km

(c) 15-30 km

(d) 25-40 km.

Subtopic:  Ozone Layer Depletion |
 53%
AIIMS - 2007
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Rain is called acid-rain when its pH is below
(1) 7

(2) 6.5

(3) 6

(4) 5.6.

Subtopic:  Air Pollution |
 59%
AIIMS - 2009
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