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What is “Red Data Book” ?
Answer
A book dealing with threatened animals or plants of any region of the world.
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Who prepares Red Data Book global level ?
Answer
IUCN
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In how many number of volumes the Red Data Books is published ?
Answer
2
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Who combined Red Data Book in India? How many volumes ?
Answer
Botanical Survey of India, in 3 volumes, containing information on endangered plant species
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What is “Green Book” ?
AnswerRelated: Environmental Science - Part 3
List of rare plants growing in protected areas.
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Who compiles Blue Book, what it covers ?
Answer
UNEP, It covers Endangered Species of the world
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How many endangered plants in India are mentioned in the IUCN 2000 Red List ?
Answer
244
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What is the Chemical Composition of Clean Dry Air ? ( Important, memorize this)
Answer
Nitrogen (N2) -78.08 Oxygen (O2)0.94 Argon (Ar) -0.0934 CO2 -0.035 Neon(Ne) – 0.00182 Helium(He) – 0.00052 Methane (CH4) -0.00015 Krypton (Kr) -0.00011 Nitrous Oxide (N2O) – 0.00005 Hydrogen (H2) – 0.00005 Xenon (Xe) – 0.000009
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How much of air, an individual person breath daily ?
AnswerRelated: Environmental Science - Part 2
Inhaling about 16 kg of air.
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How many times an healthy person breaths a day ?
Answer
Approximately 22,000 times
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Acid rain is caused by ?
Answer
Sulphur Dioxide (SO2 ) and Sulphur trioxide (SO3)
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What are the sources of Sulphur dioxide ?
Answer
Thermal power plants, petrolium industry, oil refineries
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Sulphur dioxide gas is injurious to human beings which causes _________?
AnswerRelated: Environmental Science - Part 1
Cardiac and respiratory diseases such as asthma. Bronchitis, eye irritation
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How sulphur dioxide affects plants ?
Answer
Dames membrane, chlorophyll destruction, metabolism inhibition and growth yield reduction
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Which gas causes corrosion of metals and poisonous ?
Answer
Hydrogen sulphide (H2S)
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Smog' is formed in the sunlight by ?
Answer
Nitrogen oxides and hydrocarbons
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Jets and Aeroplanes emits which gas's in the admosphere and cause global warming ?
AnswerRelated: பொதுத்தமிழ் - மாதிரித்தேர்வு - 10
NO2, SO2 and Hydrocarbons
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Earth's Water Composition Chart (In %) – Memorize the facts
Answer
Ocean - 97.6 Ice and Snow -2.07 Ground Water -.28 Lakes and reservoirs -.009 Saline lakes -.007 Soil Moisture -.005 Living Organisms -.005 Atmosphere -.001 Swamps and marshes -.003 Rivers and streams -.0001
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What is the audiable sound by humanbeings?
Answer
20-20,000Hz, Audio sense is sharpest in the frequency range 2000-8500 Hz.
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When atom bomb s were thrown on Hiroshima and Nagazaki ?
Answer
August 6, 1945
Environmental Science - Part 5
Environmental Science Model Questions, Environmental Study Materials, Environmental Study Notes for IAS, Civil Services, TET, TNTET, TNPSC, UGC NET,Environmental Science Study Materials for Tamilnadu TRB TNTET Exam 2013, Environmental Science Old Question Papers in Tamil, Environmental Science Model Question Papers for TET, TNTET 2013
In evs 5 8th question has some error.oxygen content is 20% not 0.2%.
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