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Question 1 of 5
1. Question
2 points
Consider the following statements about Eco-Sensitive Zones (ESZs):
1) As per the provisions under Environment Protection Act, 1986, the Centre can notify an ecologically important area as Eco-Sensitive Zones.
2) ESZs are formed to serve as “shock absorber” for protected areas.
3) The activities in the ESZs would be of regulatory nature rather than prohibitive nature.
Which of the above statements is/are correct:
Correct
Solution:
(D)
o Eco-Sensitive Zones (ESZs) or Ecologically Fragile Areas (EFAs) are areas notified by the Ministry of Environment, Forests and Climate Change (MoEFCC), Government of India around Protected Areas, National Parks and Wildlife Sanctuaries.
o The purpose of declaring ESZs is to create some kind of “shock absorbers” to the protected areas by regulating and managing the activities around such areas.
o They also act as a transition zone from areas of high protection to areas involving lesser protection.
o The Environment Protection Act, 1986 does not mention the word “Eco-sensitive Zones”.
o The section 3(2)(v) of the Act, says that Central Government can restrict areas in which any industries, operations or processes shall not be carried out or shall be carried out subject to certain safeguards.
o Besides the section 5 (1) of this act says that central government can prohibit or restrict the location of industries and carrying on certain operations or processes on the basis of considerations like the biological diversity of an area, maximum allowable limits of concentration of pollutants for an area, environmentally compatible land use, and proximity to protected areas.
o The above two clauses have been effectively used by the government to declare Eco-Sensitive Zones or Ecologically Fragile Areas (EFA).
o The same criteria have been used by the government to declare No Development Zones.
o National Board for Wildlife (which replaced the Indian Board for Wildlife in 2002) decided that the “delineation of ESZs would have to be site specific and relate to regulation, rather than prohibition of specific activities”.
Incorrect
Solution:
(D)
o Eco-Sensitive Zones (ESZs) or Ecologically Fragile Areas (EFAs) are areas notified by the Ministry of Environment, Forests and Climate Change (MoEFCC), Government of India around Protected Areas, National Parks and Wildlife Sanctuaries.
o The purpose of declaring ESZs is to create some kind of “shock absorbers” to the protected areas by regulating and managing the activities around such areas.
o They also act as a transition zone from areas of high protection to areas involving lesser protection.
o The Environment Protection Act, 1986 does not mention the word “Eco-sensitive Zones”.
o The section 3(2)(v) of the Act, says that Central Government can restrict areas in which any industries, operations or processes shall not be carried out or shall be carried out subject to certain safeguards.
o Besides the section 5 (1) of this act says that central government can prohibit or restrict the location of industries and carrying on certain operations or processes on the basis of considerations like the biological diversity of an area, maximum allowable limits of concentration of pollutants for an area, environmentally compatible land use, and proximity to protected areas.
o The above two clauses have been effectively used by the government to declare Eco-Sensitive Zones or Ecologically Fragile Areas (EFA).
o The same criteria have been used by the government to declare No Development Zones.
o National Board for Wildlife (which replaced the Indian Board for Wildlife in 2002) decided that the “delineation of ESZs would have to be site specific and relate to regulation, rather than prohibition of specific activities”.
Question 2 of 5
2. Question
2 points
Which of the following organisms are common pollinating agents in flowering Plants:
1) Bat
2) Bees
3) Wasp
4) Ants
Select the correct answer code:
Correct
Solution:
(D)
o A pollinator is an animal that moves pollen from the male anther of a flower to the female stigma of a flower.
o This helps to bring about fertilization of the ovules in the flower by the male gametes from the pollen grains.
o Insect pollinators include bees, (honey bees, solitary species, bumblebees); pollen wasps (Masarinae); ants; flies including bee flies, hoverflies and mosquitoes; lepidopterans, both butterflies and moths; and flower beetles.
o Vertebrates, mainly bats and birds, but also some non-bat mammals (monkeys, lemurs, possums, rodents) and some lizards pollinate certain plants.
o Among the pollinating birds are hummingbirds, honeyeaters and sunbirds with long beaks; they pollinate a number of deep-throated flowers. Humans may also carry out artificial pollination.
Incorrect
Solution:
(D)
o A pollinator is an animal that moves pollen from the male anther of a flower to the female stigma of a flower.
o This helps to bring about fertilization of the ovules in the flower by the male gametes from the pollen grains.
o Insect pollinators include bees, (honey bees, solitary species, bumblebees); pollen wasps (Masarinae); ants; flies including bee flies, hoverflies and mosquitoes; lepidopterans, both butterflies and moths; and flower beetles.
o Vertebrates, mainly bats and birds, but also some non-bat mammals (monkeys, lemurs, possums, rodents) and some lizards pollinate certain plants.
o Among the pollinating birds are hummingbirds, honeyeaters and sunbirds with long beaks; they pollinate a number of deep-throated flowers. Humans may also carry out artificial pollination.
Question 3 of 5
3. Question
2 points
Consider the following statements with regard to Olive Ridley turtles:
1) They are found in warm waters of the Pacific and Indian oceans.
2) They are herbivores and thrive exclusively on algae and sea grasses.
3) Odisha coast is one of the largest mass nesting sites in the world.
Which of the above statements is/are correct:
Correct
Solution:
(B)
o The olive ridley is predominantly carnivorous, especially in immature stages of the lifecycle.
o Animal prey consists of protochordates or invertebrates, which can be caught in shallow marine waters or estuarine habitats.
o Common prey items of Olive Ridely Turtle include jellyfish, tunicates, sea urchins, bryozoans, bivalves, snails, shrimp, crabs, rock lobsters, and sipunculid worms.
o They are found in warm and tropical waters, primarily in the Pacific and Indian Oceans, but also in the warm waters of the Atlantic Ocean.
o This turtle and the related Kemps ridley turtle are best known for their unique mass nesting called arribada, where thousands of females come together on the same beach to lay eggs.
o The coast of Odisha in India is the largest mass nesting site for the olive ridley, followed by the coasts of Mexico and Costa Rica.
Incorrect
Solution:
(B)
o The olive ridley is predominantly carnivorous, especially in immature stages of the lifecycle.
o Animal prey consists of protochordates or invertebrates, which can be caught in shallow marine waters or estuarine habitats.
o Common prey items of Olive Ridely Turtle include jellyfish, tunicates, sea urchins, bryozoans, bivalves, snails, shrimp, crabs, rock lobsters, and sipunculid worms.
o They are found in warm and tropical waters, primarily in the Pacific and Indian Oceans, but also in the warm waters of the Atlantic Ocean.
o This turtle and the related Kemps ridley turtle are best known for their unique mass nesting called arribada, where thousands of females come together on the same beach to lay eggs.
o The coast of Odisha in India is the largest mass nesting site for the olive ridley, followed by the coasts of Mexico and Costa Rica.
Question 4 of 5
4. Question
2 points
Consider the following statements regarding Nitrogen pollution:
1) Since Nitrates cannot penetrate deep into the soil they pollute only surface water and not groundwater.
2) Nitrogen dioxide is a greenhouse gas.
3) Agriculture remains the largest contributor to nitrogen emissions.
Which of the above statements is/are incorrect:
Correct
Solution:
(A)
o Nitrates not only affect surface water but also pollute groundwater sources.
o Nitrous oxide (N2O) gas should not be confused with nitric oxide (NO) or nitrogen dioxide (NO2).
o Neither nitric oxide nor nitrogen dioxide are greenhouse gases.
o Nitrous oxide is a greenhouse gas.
o Nitrogen particles make up the largest fraction of PM2.5, the class of pollutants closely linked to cardiovascular and respiratory illness
o Though agriculture remains the largest contributor to nitrogen emissions, the non-agricultural emissions of nitrogen oxides and nitrous oxide are growing rapidly, with sewage and fossil-fuel burning — for power, transport and industry — leading the trend.
Incorrect
Solution:
(A)
o Nitrates not only affect surface water but also pollute groundwater sources.
o Nitrous oxide (N2O) gas should not be confused with nitric oxide (NO) or nitrogen dioxide (NO2).
o Neither nitric oxide nor nitrogen dioxide are greenhouse gases.
o Nitrous oxide is a greenhouse gas.
o Nitrogen particles make up the largest fraction of PM2.5, the class of pollutants closely linked to cardiovascular and respiratory illness
o Though agriculture remains the largest contributor to nitrogen emissions, the non-agricultural emissions of nitrogen oxides and nitrous oxide are growing rapidly, with sewage and fossil-fuel burning — for power, transport and industry — leading the trend.
Question 5 of 5
5. Question
2 points
Which of the following best defines the Biosphere:
Correct
Solution:
(B)
o The solid portion of the earth on which we live is called the Lithosphere.
o The gaseous layers that surround the earth, is the Atmosphere, where oxygen, nitrogen, carbon dioxide and other gases are found.
o Water covers a very big area of the earth’s surface and this area is called the Hydrosphere.
o The Hydrosphere comprises water in all its forms, that is, ice, water and water vapour.
o The Biosphere is the narrow zone where we find land, water and air together, which contains all forms of life.
Incorrect
Solution:
(B)
o The solid portion of the earth on which we live is called the Lithosphere.
o The gaseous layers that surround the earth, is the Atmosphere, where oxygen, nitrogen, carbon dioxide and other gases are found.
o Water covers a very big area of the earth’s surface and this area is called the Hydrosphere.
o The Hydrosphere comprises water in all its forms, that is, ice, water and water vapour.
o The Biosphere is the narrow zone where we find land, water and air together, which contains all forms of life.
