In what way does thermal pollution affect organisms?
1. Lowers the pH of water
2. Interrupts normal physiological pathways
3. Decreases oxygen supply in water
4. Increases oxygen supply in water

Subtopic:  Water Pollution: I | Water Pollution |
 51%
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Which of the following is not likely to happen as a result of the rising levels of CO2 in our atmosphere?

1. Increased incidents of skin cancer

2. Rise in sea levels

3. Change in climatic patterns

4. Shifts in locations of deserts and fertile regions

Subtopic:  Green House Effect & Global Warming | Ozone Layer Depletion |
 51%
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The UN Conference of Parties on climate change in the year 2011 was held in 

(1) Poland

(2) South Africa

(3) Peru

(4) Qatar

Subtopic:  Resource Utilisation & Maintenance |
 60%
NEET - 2015
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Which one of the following statements is not valid for aerosols ?

1. They are harmful to human health
2. They alter rainfall and monsoon patterns
3. They cause increased agricultural productivity
4. They have negative impact on agricultural land

Subtopic:  Air Pollution |
 72%
NEET - 2017
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Biochemical Oxygen Demand (BOD) may not be a good index for pollution in water bodies receiving effluents from

(1) domestic service

(2) dairy industry

(3) petroleum industry

(4) sugar industry

Subtopic:  Water Pollution: I | Water Pollution |
 57%
NEET - 2016
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A lake which is rich in organic waste may result in
(1) increased population of aquatic organisms due to minerals

(2) drying of the lake due to algal bloom

(3) increased population of fish due to lots of nutrients

(4) mortality of fish due to lack of oxygen

Subtopic:  Water Pollution: I | Water Pollution |
 73%
From NCERT
NEET - 2016
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The highest DDT concentration in aquatic food chain shall occur in 
(1) phytoplankton

(2) seagull

(3) crab

(4) eel

Subtopic:  Water Pollution: I | Water Pollution |
 62%
NEET - 2016
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Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancers
(1) ozone

(2) ammonia 

(3) methane

(4) nitrous oxide

Subtopic:  Ozone Layer Depletion |
 93%
From NCERT
NEET - 2016
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Joint Forest Management Concept was introduced in India during
(1) 1970s

(2) 1980s

(3) 1990s

(4) 1960s

Subtopic:  Resource Utilisation & Maintenance |
 76%
From NCERT
NEET - 2016
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A river with an inflow of domestic sewage rich in organic waste may result in

1. increased population of aquatic food web organisms

2. an increased production of fish due to biodegradable nutrients

3. death of fish due to lack of oxygen

4. drying of the river very soon due to algal bloom

Subtopic:  Water Pollution: I |
 88%
From NCERT
NEET - 2016
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