BIOGEOGRAPHY 95 Important MCQS Part 6 FOR NTA UGC NET
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Q.76. Campos and Llanos grasslands are found in which climate zone
(D) Temperate Climate Zone
llanos and campos are grasslands found in South America. Ilanos is a vast tropical grassland plain situated to the east of the Andes in Colombia and Venezuela, in northwestern South America. It is an ecoregion of the flooded grasslands and savannas biome.
The Campos, grassland with few trees or shrubs except near streams, lies between 24°S and 35°S; it includes parts of Brazil, Paraguay and Argentina, and all of Uruguay.
Q.77. Air quality indicator is
(D) None of these
Biological indicators or bio indicators are species whose presence or performance is sensitive to changes in environmental conditions, and they can used as indicators of climate change or air quality.
Lichens are bio indicators of air pollution. They are highly sensitive to sulphur dioxide (SO2) pollution in air from automobiles and other factories. Delhi has maximum air pollution due to a large number of vehicles compared to Manali and Darjeeling. Therefore, the growth of lichens does not occur in Delhi or any place, where air pollution is high.
Q.78. Match List-I with List-II and use the codes from the given below –
(Environmental Laws in India)
|List – II
|A. Wildlife Protection Act||1. 1980|
|B. Water Prevention and Control of Pollution Act||2. 1986|
|C. Forest Conservation Act||3. 1974|
|D. Environment Protection Act||4. 1972|
Q.79. The disease Itai Itai is caused
Itai-itai disease was the name given to the mass cadmium poisoning of Toyama Prefecture, Japan, starting around 1912. Cadmium poisoning can also cause softening of the bones and kidney failure. The cadmium was released into rivers by mining companies in the mountains, which were successfully sued for the damage. Itai-itai disease is known as one of the Four Big Pollution Diseases of Japan.
Q.80. The main gas involved in the production of acid rains are
(A) Magnesium and Hydrogen
(B) Carbon monoxide and Hydrogen
(C) Sulphur dioxide (SO2) and Nitrogen Dioxide
(D) Carbon Dioxide (CO2) and Hydrogen
Q.81. The main gas responsible for Bhopal Gas Tragedy was
(A) Phenyl Isocyanate
(B) Sodium Isocyanate
(C) Ethyl Isocyanate
(D) Methyl Isocyanate (MIC)
Q.82. The major cause of pollution is
(D) Man and Animal
Pollution can be natural or anthropogenic. Natural pollution is pollution caused by natural sources e.g. volcanic eruptions, the release of methane gas by paddy fields and cattle, soil erosion, volcanic eruptions etc. However, the major pollution source in modern time is anthropogenic. Anthropogenic pollution is due to human activities like the burning of fossil fuels, deforestation, mining, sewage, industrial effluents, pesticides, agricultural fertilizers etc.
Q.83. Maximum soot is released from
(A) Petrol Vehicles
(B) CNG Vehicles
(C) Thermal Power Plants
(D) Diesel Vehicles
Q.84. Air pollution is not cause by
(A) Thermal Power Plant
(B) Diesel Engine
(C) Hydroelectric Power Station
Q.85. The sea water gets polluted mainly due to
(B) Oil Spills
(C) Death of Marine Fauna
(D) Industrial Waste
Q.86. The Main pollutant of the Indian coastal water is
(C) Industrial Effluents
(B) Oil Spills
(D) Municipal Sewage
Q.87. The tallest trees in the world are found in the region
(A) Equatorial region
(B) Temperate region
(C) Monsoon region
(D) Mediterranean region
Q.88. What percentage of land area should remain covered by forest maintain ecological balance?
(A) 5 percent
(B) 25 percent
(C) 33 percent
(D) 40 per cent
In the past, the British have introduced many scientific approaches for the development and management of the forest. But the first approach by the government was traced to National Forest Policy, 1894, which was revised in 1952. The policy focuses on the extension of forest and start a green movement in the country.
This policy states that 33% of the geographical area should be covered by forest/tree.
The 2019 survey has found an increase of 5,188 sq km in total forest and tree cover in the country.
Tree and forest cover together made up 24.56% (8,07,276 sq km) of India’s area. In the last assessment it was 24.39%.
Q.89. Which of the following pollutants are cause cancer in humans
Q.90. What is the source of Chlorofluorocarbons (CFCs?)
(A) Thermal Power Plants
(C) Refrigeration and Air Condition
Chlorofluorocarbons (CFC’s) are chemical compounds made up of chlorine, fluorine and carbon. They are harmful when released into the atmosphere because of their destructive reaction with ozone. Sources of CFC’s are spray can propellants (aerosols) , cleaning solvents, refrigerants, air conditioning (“freon” gas), etc.
Most chlorofluorocarbons are released into the atmosphere through leakages from refrigerants and the use of aerosols.
Q.91. The National Disaster Management Authority functions under the Union Ministry of
(B) Water Resources
(D) Home Affairs
Q.92. One of the anthropogenic sources of gaseous pollutants air is
(A) Cement Industry
(B) Fertilizer Industry
(C) Foam Industry
(D) Pesticide Industry
Q.93. In terms of total CO2 emissions from a country, identity the correct sequence:
(A) USA – China – India – Russia
(B) China – USA – India – Russia
(C) China – USA – Russia – India
(D) USA – China – Russia – India
Carbon dioxide co2 makes up the vast majority of greenhouse gas emissions from the sector, but smaller amounts of methane (Ch4) and nitrous oxide (N2O) are omitted. These gases are released during the combustion of fossil fuels, such as coal, oil, and natural gas, to produce electricity.
|Country||Co2 Emissions (billion metric ton)||Global share|
Q.94. Match List-I with List-II and use the codes from given below
|A. World Ozone Day||1. 5th June|
|B. World Earth Day||2. 3rd December|
|C. World Environment Day||3. 22nd April|
|D. World Conservation Day||4. 16th September|
Q.95. National Environment Engineering Research Institute (NEERI) located at
(D) New Delhi