Environment

Biodiversity, climate change, pollution, protected areas. Filter by topic or year.

18 questions

2021 · Question 16 · Waste Management
‘R2 Code of Practices’ constitutes a tool available for promoting the adoption of
Choose your answer(a)environmentally responsible practices in electronics recycling industry(b)ecological management of ‘Wetlands of International Importance’ under the Ramsar Convention(c)sustainable practices in the cultivation of agricultural crops in degraded lands(d)‘Environmental Impact Assessment’ in the exploitation of natural resources
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2021 · Question 17 · Pollution
Why is there a concern about copper smelting plants? 1. They may release lethal quantities of carbon monoxide into environment. 2. The copper slag can cause the leaching of some heavy metals into environment. 3. They may release sulphur dioxide as a pollutant. Select the correct answer using the code given below.
Choose your answer(a)1 and 2 only(b)2 and 3 only(c)1 and 3 only(d)1, 2 and 3
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2021 · Question 18 · Pollution
With reference to furnace oil, consider the following statements : 1. It is a product of oil refineries. 2. Some industries use it to generate power. 3. Its use causes sulphur emissions into environment. Which of the statements given above are correct?
Choose your answer(a)1 and 2 only(b)2 and 3 only(c)1 and 3 only(d)1, 2 and 3
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2021 · Question 19 · Climate Change
What is blue carbon?
Choose your answer(a)Carbon captured by oceans and coastal ecosystems(b)Carbon sequestered in forest biomass and agricultural soils(c)Carbon contained in petroleum and natural gas(d)Carbon present in atmosphere
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2021 · Question 20 · Biodiversity
In the nature, which of the following is/are most likely to be found surviving on a surface without soil? 1. Fern 2. Lichen 3. Moss 4. Mushroom Select the correct answer using the code given below.
Choose your answer(a)1 and 4 only(b)2 only(c)2 and 3(d)1, 3 and 4
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2021 · Question 21 · Biodiversity
Which one of the following is used in preparing a natural mosquito repellent?
Choose your answer(a)Congress grass(b)Elephant grass(c)Lemongrass(d)Nut grass
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2021 · Question 22 · Ecology
Consider the following kinds of organisms : 1. Copepods 2. Cyanobacteria 3. Diatoms 4. Foraminifera Which of the above are primary producers in the food chains of oceans?
Choose your answer(a)1 and 2(b)2 and 3(c)3 and 4(d)1 and 4
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2021 · Question 23 · Species
Consider the following animals : 1. Hedgehog 2. Marmot 3. Pangolin To reduce the chance of being captured by predators, which of the above organisms rolls up/roll up and protects/protect its/their vulnerable parts?
Choose your answer(a)1 and 2(b)2 only(c)3 only(d)1 and 3
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2021 · Question 24 · Environmental Conventions
With reference to the ‘New York Declaration on Forests’, which of the following statements are correct? 1. It was first endorsed at the United Nations Climate Summit in 2014. 2. It endorses a global timeline to end the loss of forests. 3. It is a legally binding international declaration. 4. It is endorsed by governments, big companies and indigenous communities. 5. India was one of the signatories at its inception. Select the correct answer using the code given below.
Choose your answer(a)1, 2 and 4(b)1, 3 and 5(c)3 and 4(d)2 and 5
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2021 · Question 25 · Pollution
Magnetite particles, suspected to cause neurodegenerative problems, are generated as environmental pollutants from which of the following? 1. Brakes of motor vehicles 2. Engines of motor vehicles 3. Microwave stoves within homes 4. Power plants 5. Telephone lines Select the correct answer using the code given below.
Choose your answer(a)1, 2, 3 and 5 only(b)1, 2 and 4 only(c)3, 4 and 5 only(d)1, 2, 3, 4 and 5
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2021 · Question 26 · Ecology
Which one of the following is a filter feeder?
Choose your answer(a)Catfish(b)Octopus(c)Oyster(d)Pelican
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2021 · Question 27 · Ecology
In case of which one of the following biogeochemical cycles, the weathering of rocks is the main source of release of nutrient to enter the cycle?
Choose your answer(a)Carbon cycle(b)Nitrogen cycle(c)Phosphorus cycle(d)Sulphur cycle
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2021 · Question 28 · Ecology
Which of the following are detritivores? 1. Earthworms 2. Jellyfish 3. Millipedes 4. Seahorses 5. Woodlice Select the correct answer using the code given below.
Choose your answer(a)1, 2 and 4 only(b)2, 3, 4 and 5 only(c)1, 3 and 5 only(d)1, 2, 3, 4 and 5
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2021 · Question 29 · Climate Change
The ‘Common Carbon Metric’, supported by UNEP, has been developed for
Choose your answer(a)assessing the carbon footprint of building operations around the world(b)enabling commercial farming entities around the world to enter carbon emission trading(c)enabling governments to assess the overall carbon footprint caused by their countries(d)assessing the overall carbon footprint caused by the use of fossil fuels by the world in a unit time
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2021 · Question 30 · Ecology
Which of the following have species that can establish symbiotic relationship with other organisms? 1. Cnidarians 2. Fungi 3. Protozoa Select the correct answer using the code given below.
Choose your answer(a)1 and 2 only(b)2 and 3 only(c)1 and 3 only(d)1, 2 and 3
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2021 · Question 59 · Climate Change
In the context of India’s preparation for Climate-Smart Agriculture, consider the following statements : 1. The ‘Climate-Smart Village’ approach in India is a part of a project led by the Climate Change, Agriculture and Food Security (CCAFS), an international research programme. 2. The project of CCAFS is carried out under Consultative Group on International Agricultural Research (CGIAR) headquartered in France. 3. The International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) in India is one of the CGIAR’s research centres. Which of the statements given above are correct?
Choose your answer(a)1 and 2 only(b)2 and 3 only(c)1 and 3 only(d)1, 2 and 3
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2021 · Question 60 · Ecology
“Leaf litter decomposes faster than in any other biome and as a result the soil surface is often almost bare. Apart from trees, the vegetation is largely composed of plant forms that reach up into the canopy vicariously, by climbing the trees or growing as epiphytes, rooted on the upper branches of trees.” This is the most likely description of
Choose your answer(a)coniferous forest(b)dry deciduous forest(c)mangrove forest(d)tropical rain forest
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2021 · Question 61 · Ecology
The vegetation of savannah consists of grassland with scattered small trees, but extensive areas have no trees. The forest development in such areas is generally kept in check by one or more or a combination of some conditions. Which of the following are such conditions? 1. Burrowing animals and termites 2. Fire 3. Grazing herbivores 4. Seasonal rainfall 5. Soil properties Select the correct answer using the code given below.
Choose your answer(a)1 and 2(b)4 and 5(c)2, 3 and 4(d)1, 3 and 5
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)

‘R2 Code of Practices’ constitutes a tool available for promoting the adoption of

With reference to furnace oil, consider the following statements : 1. It is a product of oil refineries. 2. Some industries use it to generate power. 3. Its use causes sulphur emissions into environment. Which of the statements given above are correct?

What is blue carbon?

In the nature, which of the following is/are most likely to be found surviving on a surface without soil? 1. Fern 2. Lichen 3. Moss 4. Mushroom Select the correct answer using the code given below.

Which one of the following is used in preparing a natural mosquito repellent?

Consider the following kinds of organisms : 1. Copepods 2. Cyanobacteria 3. Diatoms 4. Foraminifera Which of the above are primary producers in the food chains of oceans?

Consider the following animals : 1. Hedgehog 2. Marmot 3. Pangolin To reduce the chance of being captured by predators, which of the above organisms rolls up/roll up and protects/protect its/their vulnerable parts?

Which one of the following is a filter feeder?

In case of which one of the following biogeochemical cycles, the weathering of rocks is the main source of release of nutrient to enter the cycle?

Which of the following are detritivores? 1. Earthworms 2. Jellyfish 3. Millipedes 4. Seahorses 5. Woodlice Select the correct answer using the code given below.

The ‘Common Carbon Metric’, supported by UNEP, has been developed for

Which of the following have species that can establish symbiotic relationship with other organisms? 1. Cnidarians 2. Fungi 3. Protozoa Select the correct answer using the code given below.