UPSC Prelims 2018
Get UPSC Prelims Previous Year Question (PYQ) Papers with detailed explanations, mindmaps, organized year-wise and subject-wise for GS.
- Environment & Ecology
Which of the following leaf modifications occur(s) in the desert areas to inhibit water loss?
- Hard and waxy leaves
- Tiny leaves
- Thorns instead of leaves
Select the correct answer using the code given below:
View Answer for: Which of the following leaf modifications occur(s) in the desert areas to inhibit water loss? Hard and waxy leaves Tiny leaves Thorns instead of leavesSelect the correct answer using the code given below:Which of the following leaf modifications occur(s) in the desert areas to inhibit water loss?
- Hard and waxy leaves
- Tiny leaves
- Thorns instead of leaves
Select the correct answer using the code given below:
- Environment & Ecology
Which of the following has/have shrunk immensely/dried up in the recent past due to human activities?
- Aral Sea
- Black Sea
- Lake Baikal
View Answer for: Which of the following has/have shrunk immensely/dried up in the recent past due to human activities? Aral Sea Black Sea Lake BaikalWhich of the following has/have shrunk immensely/dried up in the recent past due to human activities?
- Aral Sea
- Black Sea
- Lake Baikal
- Environment & Ecology
How is the National Green Tribunal (NGT) different from the Central Pollution Control Board (CPCB)?
- The NGT has been established by an Act whereas the CPCB has been created by executive order of the Government.
- The NGT provides environmental justice and helps reduce the burden of litigation in the higher courts whereas the CPCB promotes cleanliness of streams and wells, and aims to improve the quality of air in the country.
Which of the statements given above is/are correct
View Answer for: How is the National Green Tribunal (NGT) different from the Central Pollution Control Board (CPCB)? The NGT has been established by an Act whereas the CPCB has been created by executive order of the Government. The NGT provides environmental justice and helps reduce the burden of litigation in the higher courts whereas the CPCB promotes cleanliness of streams and wells, and aims to improve the quality of air in the country.Which of the statements given above is/are correctHow is the National Green Tribunal (NGT) different from the Central Pollution Control Board (CPCB)?
- The NGT has been established by an Act whereas the CPCB has been created by executive order of the Government.
- The NGT provides environmental justice and helps reduce the burden of litigation in the higher courts whereas the CPCB promotes cleanliness of streams and wells, and aims to improve the quality of air in the country.
Which of the statements given above is/are correct
- Environment & Ecology
Which of the following is/are the possible consequence/s of heavy sand mining in riverbeds?
- Decreased salinity in the river
- Pollution of groundwater
- Lowering of the water-table
Select the correct answer using the code given below :
View Answer for: Which of the following is/are the possible consequence/s of heavy sand mining in riverbeds? Decreased salinity in the river Pollution of groundwater Lowering of the water-tableSelect the correct answer using the code given below :Which of the following is/are the possible consequence/s of heavy sand mining in riverbeds?
- Decreased salinity in the river
- Pollution of groundwater
- Lowering of the water-table
Select the correct answer using the code given below :
- Environment & Ecology
Why is a plant called Prosopis juliflora often mentioned in the news?
View Answer for: Why is a plant called Prosopis juliflora often mentioned in the news?Why is a plant called Prosopis juliflora often mentioned in the news?
- Environment & Ecology
With reference to agricultural soils, consider the following statements :
- The high content of organic matter in soil drastically reduces its water holding capacity.
- Soil does not play any role in the sulphur cycle.
- Irrigation over a period of time can contribute to the salinization of some agricultural lands.
Which of the statements given above is/are correct?
View Answer for: With reference to agricultural soils, consider the following statements : The high content of organic matter in soil drastically reduces its water holding capacity. Soil does not play any role in the sulphur cycle. Irrigation over a period of time can contribute to the salinization of some agricultural lands.Which of the statements given above is/are correct?With reference to agricultural soils, consider the following statements :
- The high content of organic matter in soil drastically reduces its water holding capacity.
- Soil does not play any role in the sulphur cycle.
- Irrigation over a period of time can contribute to the salinization of some agricultural lands.
Which of the statements given above is/are correct?
- Environment & Ecology
With reference to the 'Global Alliance for Climate-Smart Agriculture (GACSA)', which of the following statements is/are correct.
- GACSA is an outcome of the Climate Summit held in Paris in 2015.
- Membership of GACSA does not create any binding obligations.
- India was instrumental in the creation of GACSA.
Select the correct answer using the code given
View Answer for: With reference to the 'Global Alliance for Climate-Smart Agriculture (GACSA)', which of the following statements is/are correct. GACSA is an outcome of the Climate Summit held in Paris in 2015. Membership of GACSA does not create any binding obligations. India was instrumental in the creation of GACSA.Select the correct answer using the code givenWith reference to the 'Global Alliance for Climate-Smart Agriculture (GACSA)', which of the following statements is/are correct.
- GACSA is an outcome of the Climate Summit held in Paris in 2015.
- Membership of GACSA does not create any binding obligations.
- India was instrumental in the creation of GACSA.
Select the correct answer using the code given
- Environment & Ecology
The Partnership for Action on Green Economy (PAGE), a UN mechanism to assist countries transition towards greener and more inclusive economies, emerged at
View Answer for: The Partnership for Action on Green Economy (PAGE), a UN mechanism to assist countries transition towards greener and more inclusive economies, emerged atThe Partnership for Action on Green Economy (PAGE), a UN mechanism to assist countries transition towards greener and more inclusive economies, emerged at
- Environment & Ecology
Which of the following statements best describes "carbon fertilization"?
View Answer for: Which of the following statements best describes "carbon fertilization"?Which of the following statements best describes "carbon fertilization"?
- Environment & Ecology
With reference to the circumstances in Indian agriculture, the concept of "Conservation Agriculture" assumes significance. Which of the following fall under the Conservation Agriculture?
- Avoiding monoculture practices
- Adopting minimum tillage
- Avoiding the cultivation of plantation crops
- Using crop residues to cover the soil surface
- Adopting spatial and temporal crop sequencing/crop rotations
Select the correct answer using the code given below:
View Answer for: With reference to the circumstances in Indian agriculture, the concept of "Conservation Agriculture" assumes significance. Which of the following fall under the Conservation Agriculture? Avoiding monoculture practices Adopting minimum tillage Avoiding the cultivation of plantation crops Using crop residues to cover the soil surface Adopting spatial and temporal crop sequencing/crop rotationsSelect the correct answer using the code given below:With reference to the circumstances in Indian agriculture, the concept of "Conservation Agriculture" assumes significance. Which of the following fall under the Conservation Agriculture?
- Avoiding monoculture practices
- Adopting minimum tillage
- Avoiding the cultivation of plantation crops
- Using crop residues to cover the soil surface
- Adopting spatial and temporal crop sequencing/crop rotations
Select the correct answer using the code given below:
- Environment & Ecology
Consider the following statements:
- The definition of "Critical Wildlife Habitat" is incorporated in the Forest Rights Act, 2006.
- For the first time in India, Baigas have been given Habitat Rights.
- Union Ministry of Environment, Forest and Climate Change officially decides and declares Habitat Rights for Primitive and Vulnerable Tribal Groups in any part of India.
Which of the statements given above is/are correct ?
View Answer for: Consider the following statements: The definition of "Critical Wildlife Habitat" is incorporated in the Forest Rights Act, 2006. For the first time in India, Baigas have been given Habitat Rights. Union Ministry of Environment, Forest and Climate Change officially decides and declares Habitat Rights for Primitive and Vulnerable Tribal Groups in any part of India.Which of the statements given above is/are correct ?Consider the following statements:
- The definition of "Critical Wildlife Habitat" is incorporated in the Forest Rights Act, 2006.
- For the first time in India, Baigas have been given Habitat Rights.
- Union Ministry of Environment, Forest and Climate Change officially decides and declares Habitat Rights for Primitive and Vulnerable Tribal Groups in any part of India.
Which of the statements given above is/are correct ?
- Environment & Ecology
"Momentum for Change: Climate Neutral Now" is an initiative launched by
View Answer for: "Momentum for Change: Climate Neutral Now" is an initiative launched by"Momentum for Change: Climate Neutral Now" is an initiative launched by
- Environment & Ecology
The term "sixth mass extinction/sixth extinction" is often mentioned in the news in the context of the discussion of
View Answer for: The term "sixth mass extinction/sixth extinction" is often mentioned in the news in the context of the discussion ofThe term "sixth mass extinction/sixth extinction" is often mentioned in the news in the context of the discussion of
- Environment & Ecology
In which one of the following States is Pakhui Wildlife Sanctuary located?
View Answer for: In which one of the following States is Pakhui Wildlife Sanctuary located?In which one of the following States is Pakhui Wildlife Sanctuary located?
- Environment & Ecology
With reference to solar power production in India, consider the following statements:
- India is the third largest in the world in the manufacture of silicon wafers used in photovoltaic units.
- The solar power tariffs are determined by the Solar Energy Corporation of India.
Which of the statements given above is/are correct?
View Answer for: With reference to solar power production in India, consider the following statements: India is the third largest in the world in the manufacture of silicon wafers used in photovoltaic units. The solar power tariffs are determined by the Solar Energy Corporation of India.Which of the statements given above is/are correct?With reference to solar power production in India, consider the following statements:
- India is the third largest in the world in the manufacture of silicon wafers used in photovoltaic units.
- The solar power tariffs are determined by the Solar Energy Corporation of India.
Which of the statements given above is/are correct?
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