Environmental Science - Part 9
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What are the water-borne diseases caused by Bacteria ?
Answer
Typhoid, Paratyphoid, Dysentery, Cholera
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What are the water borne diseases caused by Protozoa ?
Answer
Amoebiasis, Giardiasis
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What are the water borne diseases caused by Viruses ?
Answer
infectious hepatitis, Poliomyelitis
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What are the water borne diseases caused by Parasites ?
Answer
Malaria, Yellow Fever, Tapeworm
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What are the water borne diseases caused by Algae ?
Answer
Shistosomiasis, Gastroenteritis
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What is a PH value ?
Answer
Acidic or alkaline nature of a liquid.
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Acidic liquids have PH value higher than _____________?
Answer
7
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Alkaline liquids have PH value less than___________?
Answer
7
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Air Striping method in water purification is used for ?
Answer
Removing ammonia, hydrigen sulphide and other volatile matters from water
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Who coined the word 'Green House Effect' ?
Answer
JB Fourier (French Mathematician) in 1827
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Who obserbed global warming for the first time ? when ?
Answer
Scripps Institute of Oceanography, California in 1957
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When did the first UN Conference on Human Environment held, where ?
Answer
1972, Stockholm
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When was the Intergovernmental Panel for Climate Change (IPCC) established ? where is the head quarter of IPCC ?
Answer
1988, Geneva
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What was the target of IPCC by the year 2005 ?
Answer
To reduce carbon emission by 20 % and bring back the carbondioxide emission of 1988 level with an eventual reduction of 50 % later.
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When was 'Montreal Protocol' by UNEP created and when it came into force ?
Answer
Created in 1987 and came in to force in 1989
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When did China and India signed 'Montreal Protocol' ? what was the important event ?
Answer
1990, London Amendment of 'Montreal Protocol'
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What was the amendment made in 'Montreal Protocol' in the year 1992 ?
Answer
Copenhagen Amendment
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Audible range of noise by a human is ___________?
Answer
0-120 decibel
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Some Actions and Noises (Important memorize )
Answer
Human heart beat - 13 dB
Chewing gum - 20 dB
Turning newspaper-30 dB
Typing-40 dB
Average city residence - 45 dB
Dog Barking - 66 dB
Average city street - 73 dB
Motor truck - 80 dB -
What are the Indian Penal Code (IPC) sections related to public noise ?
Answer
IPC Sections 268 and 290, Fine up to Rs.200