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UPSC PYQs: Ecology, Agriculture & Climate

Review complete published questions grouped by topic: Ecology, Agriculture & Climate.

16 published questions

Other qualifying topic groups

Questions

Which of the following leaf modifications occur(s) in desert areas to inhibit water loss? 1. Hard and waxy leaves 2. Tiny leaves 3. Thorns instead of leaves. Select the correct answer using the code given below.2018 · Prelims GS1 · Environment & Ecology · Ecology, Agriculture & Climate
How is the National Green Tribunal (NGT) different from the Central Pollution Control Board (CPCB)? 1. The NGT has been established by an Act whereas the CPCB has been created by an executive order of the Government. 2. 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?2018 · Prelims GS1 · Environment & Ecology · Ecology, Agriculture & Climate
Which of the following has/have shrunk immensely/dried up in the recent past due to human activities? 1. Aral Sea 2. Black Sea 3. Lake Baikal. Select the correct answer using the code given below.2018 · Prelims GS1 · Environment & Ecology · Ecology, Agriculture & Climate
With reference to the Global Alliance for Climate-Smart Agriculture (GACSA), which of the following statements is/are correct? 1. GACSA is an outcome of the Climate Summit held in Paris in 2015. 2. Membership of GACSA does not create any binding obligations. 3. India was instrumental in the creation of GACSA. Select the correct answer using the code given below.2018 · Prelims GS1 · Environment & Ecology · Ecology, Agriculture & Climate
With reference to the circumstances in Indian agriculture, the concept "Conservation Agriculture" assumes significance. Which of the following fall under Conservation Agriculture? 1. Avoiding monoculture practices 2. Adopting minimum tillage 3. Avoiding cultivation of plantation crops 4. Using crop residues to cover soil surface 5. Adopting spatial and temporal crop sequencing/crop rotations. Select the correct answer using the code given below.2018 · Prelims GS1 · Environment & Ecology · Ecology, Agriculture & Climate
The term "sixth mass extinction/sixth extinction" is often mentioned in the news in the context of discussion of:2018 · Prelims GS1 · Environment & Ecology · Ecology, Agriculture & Climate
Which of the following statements best describes "carbon fertilization"?2018 · Prelims GS1 · Environment & Ecology · Ecology, Agriculture & Climate
Which of the following is/are the possible consequence/s of heavy sand mining in riverbeds? 1. Decreased salinity in the river 2. Pollution of groundwater 3. Lowering of the water-table. Select the correct answer using the code given below.2018 · Prelims GS1 · Environment & Ecology · Ecology, Agriculture & Climate
With reference to agricultural soils, consider the following statements: 1. A high content of organic matter in soil drastically reduces its water-holding capacity. 2. Soil does not play any role in the sulphur cycle. 3. Irrigation over a period of time can contribute to the salinization of some agricultural lands. Which of the statements given above is/are correct?2018 · Prelims GS1 · Environment & Ecology · Ecology, Agriculture & Climate
The Partnership for Action on Green Economy (PAGE), a UN mechanism to assist countries transition towards greener and more inclusive economies, emerged at:2018 · Prelims GS1 · Environment & Ecology · Ecology, Agriculture & Climate
Why is a plant called Prosopis juliflora often mentioned in news?2018 · Prelims GS1 · Environment & Ecology · Ecology, Agriculture & Climate
Consider the following statements: 1. Most of the world's coral reefs are in tropical waters. 2. More than one-third of the world's coral reefs are located in the territories of Australia, Indonesia and the Philippines. 3. Coral reefs host far more number of animal phyla than those hosted by tropical rainforests. Which of the statements given above is/are correct?2018 · Prelims GS1 · Environment & Ecology · Ecology, Agriculture & Climate
"Momentum for Change: Climate Neutral Now" is an initiative launched by:2018 · Prelims GS1 · Environment & Ecology · Ecology, Agriculture & Climate
In which one of the following States is Pakhui Wildlife Sanctuary located?2018 · Prelims GS1 · Environment & Ecology · Ecology, Agriculture & Climate
Consider the following: 1. Birds 2. Dust blowing 3. Rain 4. Wind blowing. Which of the above spread plant diseases?2018 · Prelims GS1 · Environment & Ecology · Ecology, Agriculture & Climate
With reference to organic farming in India, consider the following statements: 1. The National Programme for Organic Production (NPOP) is operated under the guidelines and directions of the Union Ministry of Rural Development. 2. The Agricultural and Processed Food Products Export Development Authority (APEDA) functions as the Secretariat for implementation of NPOP. 3. Sikkim has become India's first fully organic State. Which of the statements given above is/are correct?2018 · Prelims GS1 · Environment & Ecology · Ecology, Agriculture & Climate