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With reference to the water on the planet Earth, consider the following statements :
1. The amount of water in the rivers and lakes is more than the amount of groundwater.
2. The amount of water in polar ice caps and glaciers is more than the amount of groundwater.
Which of the statements given above is/are correct?
UPSC 2021
1 only
2 only
both 1 and 2
neither 1 nor 2
Consider the following statements :
1. In the tropical zone, the western sections of the oceans are warmer than the eastern sections owing to the influence of trade winds.
2. In the temperate zone, westerlies make the eastern sections of oceans warmer than the western sections.
Which of the statements given above is/are correct?
UPSC 2021
1 only
2 only
Both 1 and 2
neither 1 nor 2
"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 climb- ing the trees or growing as epiphytes, rooted on the upper branches of trees."
This is the most likely description of
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coniferious forest
dry deciduous forest
tropical rain forest
mangrove forest
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?
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1 and 2
2 only
3 only
1 and 3
The 'Common Carbon Metric', supported by UNEP, has been developed for
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assessing the carbon footprint of building operations around the world
enabling commercial farming entities around the world to enter carbon emission trading
enabling governments to assess the overall carbon footprint caused by their countries
assessing the overall carbon footprint caused by the use of fossil fuels by the world in a unit time
With reference to 'palm oil', consider the following statements :
1. The palm oil tree is native to Southeast Asia.
2. The palm oil is a raw material for some industries producing lipstick and perfumes.
3. The palm oil can be used to produce biodiesel.
Which of the statements given above are correct?
UPSC 2021
1 and 2 only
2 and 3 only
1 and 3 only
1, 2 and 3
Consider the following rivers :
1. Brahmani
2. Nagavali
3. Subarnarekha
4. Vamsadhara
Which of the above rise from the Eastern Ghats?
UPSC 2021
1 and 2
2 and 4
3 and 4
1 and 3
What is blue carbon?
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Carbon captured by oceans and coastal ecosystems
Carbon sequestered in forest biomass and agricultural soils
Carbon contained in petroleum and natural gas
Carbon present in atmosphere
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?
UPSC 2021
1 and 2 only
2 and 3 only
1 and 3 only
1, 2 and 3
With reference to India, the terms 'Halbi, Ho and Kui' Pertain to
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dance forms of Northwest India
prehistoric cave paintings
tribal languages
musical instruments
With reference to the Indus river system, of the following four rivers, three of them pour into one of them which joins the Indus direct. Among the folowing, which one is such river that joins the Indus direct?
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Chenab
Jhelum
Ravi
Sutlej
With reference to India, Didwana, Kuchaman, Sargol and Khatu are the names of :
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glaciers
Ramsar sites
saline lakes
mangrove areas
The black cotton soil of India has been formed due to the weathering of :
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fissure volcanic rock
granite and schist
shale and limestone
brown forest soil
How is permaculture farming different from conventional chemical farming?
1. Permaculture farming discourages monocultural practices but in conventional chemical farming, monoculture practices are predominant.
2. Conventional chemical farming can cause increase in soil salinity but the occurrence of such phenomenon is not observed in permaculture farming.
3. Conventional chemical farming is easily possible in semi-arid regions but permaculture farming is not so easily possible in such regions.
4. Practice of mulching is very important in permaculture farming but not necessarily so in conventional chemical farming.
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1 and 3
1, 2 and 4
2 and 3
1, 3 and 4
Among the following, which one is the least water-efficient crop?
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Sunflower
Pearl millet
Sugarcane
Red gram
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: