UPSC Prelims 2017
Get UPSC Prelims Previous Year Question (PYQ) Papers with detailed explanations, mindmaps, organized year-wise and subject-wise for GS.
- Environment & Ecology
Biological Oxygen Demand (BOD) is a standard criterion for -
View Answer for: Biological Oxygen Demand (BOD) is a standard criterion for -Biological Oxygen Demand (BOD) is a standard criterion for -
- Environment & Ecology
Consider the following statements in respect of Trade-Related Analysis of Fauna and Flora in Commerce (TRAFFIC):
- TRAFFIC is a bureau under the United Nations Environment Programme (UNEP).
- The mission of TRAFFIC is to ensure that trade in wild plants and animals is not a threat to the conservation of nature. Which of the above statements is/are correct?
View Answer for: Consider the following statements in respect of Trade-Related Analysis of Fauna and Flora in Commerce (TRAFFIC): TRAFFIC is a bureau under the United Nations Environment Programme (UNEP). The mission of TRAFFIC is to ensure that trade in wild plants and animals is not a threat to the conservation of nature. Which of the above statements is/are correct?Consider the following statements in respect of Trade-Related Analysis of Fauna and Flora in Commerce (TRAFFIC):
- TRAFFIC is a bureau under the United Nations Environment Programme (UNEP).
- The mission of TRAFFIC is to ensure that trade in wild plants and animals is not a threat to the conservation of nature. Which of the above statements is/are correct?
- Environment & Ecology
From the ecological point of view, which one of the following assumes importance in being a good link between the Eastern Ghats and the Western Ghats?
View Answer for: From the ecological point of view, which one of the following assumes importance in being a good link between the Eastern Ghats and the Western Ghats?From the ecological point of view, which one of the following assumes importance in being a good link between the Eastern Ghats and the Western Ghats?
- Environment & Ecology
In the context of mitigating the impending global warming due to anthropogenic emissions of carbon dioxide, which of the following can be the potential sites for carbon sequestration?
- Abandoned and uneconomic coal seams
- Depleted oil and gas reservoirs
- Subterranean deep saline formations
Select the correct answer using the code given below:
View Answer for: In the context of mitigating the impending global warming due to anthropogenic emissions of carbon dioxide, which of the following can be the potential sites for carbon sequestration? Abandoned and uneconomic coal seams Depleted oil and gas reservoirs Subterranean deep saline formationsSelect the correct answer using the code given below:In the context of mitigating the impending global warming due to anthropogenic emissions of carbon dioxide, which of the following can be the potential sites for carbon sequestration?
- Abandoned and uneconomic coal seams
- Depleted oil and gas reservoirs
- Subterranean deep saline formations
Select the correct answer using the code given below:
- Environment & Ecology
According to the Wildlife (Protection) Act, 1972, which of the following animals cannot be hunted by any person except under some provisions provided by law?
- Gharial
- Indian wild ass
- Wild Buffalo Select the correct answer using the code given below:
View Answer for: According to the Wildlife (Protection) Act, 1972, which of the following animals cannot be hunted by any person except under some provisions provided by law? Gharial Indian wild ass Wild Buffalo Select the correct answer using the code given below:According to the Wildlife (Protection) Act, 1972, which of the following animals cannot be hunted by any person except under some provisions provided by law?
- Gharial
- Indian wild ass
- Wild Buffalo Select the correct answer using the code given below:
- Environment & Ecology
The term 'M-STRIPES’ is sometimes seen in the news in the context of
View Answer for: The term 'M-STRIPES’ is sometimes seen in the news in the context ofThe term 'M-STRIPES’ is sometimes seen in the news in the context of
- Environment & Ecology
In India, if a species of tortoise is declared protected under Schedule I of the Wildlife (Protection) Act, 1972, what does it imply?
View Answer for: In India, if a species of tortoise is declared protected under Schedule I of the Wildlife (Protection) Act, 1972, what does it imply?In India, if a species of tortoise is declared protected under Schedule I of the Wildlife (Protection) Act, 1972, what does it imply?
- Environment & Ecology
If you want to see gharials in their natural habitat, which one of the following is the best place to visit?
View Answer for: If you want to see gharials in their natural habitat, which one of the following is the best place to visit?If you want to see gharials in their natural habitat, which one of the following is the best place to visit?
- Environment & Ecology
Consider the following statements:
- Climate and Clean Air Coalition (CCAC) to Reduce Short-Lived Climate Pollutants is a unique initiative of G20 group of countries.
- The CCAC focuses on methane, black carbon and hydrofluorocarbons. Which of the statements given above is/are correct?
View Answer for: Consider the following statements: Climate and Clean Air Coalition (CCAC) to Reduce Short-Lived Climate Pollutants is a unique initiative of G20 group of countries. The CCAC focuses on methane, black carbon and hydrofluorocarbons. Which of the statements given above is/are correct?Consider the following statements:
- Climate and Clean Air Coalition (CCAC) to Reduce Short-Lived Climate Pollutants is a unique initiative of G20 group of countries.
- The CCAC focuses on methane, black carbon and hydrofluorocarbons. Which of the statements given above is/are correct?
- Environment & Ecology
In the context of solving pollution problems, what is/are the advantage/advantages of bioremediation technique?
- It is a technique for cleaning up pollution by enhancing the same biodegradation process that occurs in nature.
- Any contaminant with heavy metals such as cadmium and lead can be readily and completely treated by bioremediation using microorganisms.
- Genetic engineering can be used to create microorganisms specifically designed for bioremediation. Select the correct answer using the code given below:
View Answer for: In the context of solving pollution problems, what is/are the advantage/advantages of bioremediation technique? It is a technique for cleaning up pollution by enhancing the same biodegradation process that occurs in nature. Any contaminant with heavy metals such as cadmium and lead can be readily and completely treated by bioremediation using microorganisms. Genetic engineering can be used to create microorganisms specifically designed for bioremediation. Select the correct answer using the code given below:In the context of solving pollution problems, what is/are the advantage/advantages of bioremediation technique?
- It is a technique for cleaning up pollution by enhancing the same biodegradation process that occurs in nature.
- Any contaminant with heavy metals such as cadmium and lead can be readily and completely treated by bioremediation using microorganisms.
- Genetic engineering can be used to create microorganisms specifically designed for bioremediation. Select the correct answer using the code given below:
- Environment & Ecology
Recently there was a proposal to translocate some of the lions from their natural habitat in Gujarat to which one of the following sites?
View Answer for: Recently there was a proposal to translocate some of the lions from their natural habitat in Gujarat to which one of the following sites?Recently there was a proposal to translocate some of the lions from their natural habitat in Gujarat to which one of the following sites?
- Environment & Ecology
With reference to ‘Global Climate Change Alliance’, which of the following statements is/are correct?
- It is an initiative of the European Union.
- It provides technical and financial support to targeted developing countries to integrate climate change into their development policies and budgets.
- It is coordinated by the World Resources Institute (WRI) and World Business Council for Sustainable Development (WBCSD). Select the correct answer using the code given below:
View Answer for: With reference to ‘Global Climate Change Alliance’, which of the following statements is/are correct? It is an initiative of the European Union. It provides technical and financial support to targeted developing countries to integrate climate change into their development policies and budgets. It is coordinated by the World Resources Institute (WRI) and World Business Council for Sustainable Development (WBCSD). Select the correct answer using the code given below:With reference to ‘Global Climate Change Alliance’, which of the following statements is/are correct?
- It is an initiative of the European Union.
- It provides technical and financial support to targeted developing countries to integrate climate change into their development policies and budgets.
- It is coordinated by the World Resources Institute (WRI) and World Business Council for Sustainable Development (WBCSD). Select the correct answer using the code given below:
- Environment & Ecology
Which of the following practices can help in water conservation in agriculture?
- Reduced or zero tillage of the land
- Applying gypsum before irrigating the field
- Allowing crop residue to remain in the field Select the correct answer using the code given below :
View Answer for: Which of the following practices can help in water conservation in agriculture? Reduced or zero tillage of the land Applying gypsum before irrigating the field Allowing crop residue to remain in the field Select the correct answer using the code given below :Which of the following practices can help in water conservation in agriculture?
- Reduced or zero tillage of the land
- Applying gypsum before irrigating the field
- Allowing crop residue to remain in the field Select the correct answer using the code given below :
- Environment & Ecology
Due to some reasons if there is a huge fall in the population of species of butterflies, what could be its likely consequence/consequences?
- Pollination of some plants could be adversely affected.
- There could be a drastic increase in the fungal infections of some cultivated plants.
- It could lead to a fall in the population of some species of wasps, spiders and birds. Select the correct answer using the code given below:
View Answer for: Due to some reasons if there is a huge fall in the population of species of butterflies, what could be its likely consequence/consequences? Pollination of some plants could be adversely affected. There could be a drastic increase in the fungal infections of some cultivated plants. It could lead to a fall in the population of some species of wasps, spiders and birds. Select the correct answer using the code given below:Due to some reasons if there is a huge fall in the population of species of butterflies, what could be its likely consequence/consequences?
- Pollination of some plants could be adversely affected.
- There could be a drastic increase in the fungal infections of some cultivated plants.
- It could lead to a fall in the population of some species of wasps, spiders and birds. Select the correct answer using the code given below:
Trusted by 2L aspirants
Practice UPSC Prelims PYQs Smarter

- Track accuracy & weak areas
- See past trends & repeated themes
Crack UPSC with your
Personal AI Mentor
An AI-powered ecosystem to learn, practice, and evaluate with discipline
