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4392 Previous Year Questions • 2016–2026 • Prelims, Mains, Essay, Optionals
Prelims - Paper 1 (GS)
20 shown2020•Prelims•Paper 1 (GS)•Q.81
If a particular plant species is placed under Schedule VI of The Wildlife Protection Act, 1972, what is the implication?
Environment
2020•Prelims•Paper 1 (GS)•Q.82
With reference to the period of Gupta dynasty in ancient India, the towns Ghantasala, Kadura and Chaul were well known as
History
2020•Prelims•Paper 1 (GS)•Q.83
What is/are the advantage/advantages of zero tillage in agriculture?
1
Sowing of wheat is possible without burning the residue of previous crop.
2
Without the need for nursery of rice saplings, direct planting of paddy seeds in the wet soil is possible.
3
Carbon sequestration in the soil is possible.
Agriculture
2020•Prelims•Paper 1 (GS)•Q.84
According to India's National Policy on Biofuels, which of the following can be used as raw materials for the production of biofuels?
1
Cassava;
2
Damaged wheat grains;
3
Groundnut seeds;
4
Horse gram;
5
Rotten potatoes;
6
Sugar beet.
Environment
2020•Prelims•Paper 1 (GS)•Q.85
Which one of the following statements best describes the term 'Social Cost of Carbon'? It is a measure, in monetary value, of the
Environment
2020•Prelims•Paper 1 (GS)•Q.86
With reference to pulse production in India, consider the following statements:
1
Black gram can be cultivated as both kharif and rabi crop.
2
Green-gram alone accounts for nearly half of pulse production.
3
In the last three decades, while the production of kharif pulses has increased, the production of rabi pulses has decreased.
Agriculture
2020•Prelims•Paper 1 (GS)•Q.87
"The crop is subtropical in nature. A hard frost is injurious to it. It requires at least 210 frost-free days and 50 to 100 centimeters of rainfall for its growth. A light well-drained soil capable of retaining moisture is ideally suited for the cultivation of the crop." Which one of the following is that crop?
Agriculture
2020•Prelims•Paper 1 (GS)•Q.88
With reference to solar water pumps, consider the following statements:
1
Solar power can be used for running surface pumps and not for submersible pumps.
2
Solar power can be used for running centrifugal pumps and not the ones with piston.
Science and Technology
2020•Prelims•Paper 1 (GS)•Q.89
With reference to the current trends in the cultivation of sugarcane in India, consider the following statements:
1
A substantial saving in seed material is made when 'bud chip settlings' are raised in a nursery and transplanted in the main field.
2
When direct planting of setts is done, the germination percentage is better with single-budded setts as compared to setts with many buds.
3
If bad weather conditions prevail when setts are directly planted, single-budded setts have better survival as compared to large setts.
4
Sugarcane can be cultivated using settlings prepared from tissue culture.
Agriculture
2020•Prelims•Paper 1 (GS)•Q.90
In the context of India, which of the following is/are considered to be practice(s) of eco-friendly agriculture?
1
Crop diversification;
2
Legume intensification;
3
Tensiometer use;
4
Vertical farming.
Environment and Sustainable Development
2020•Prelims•Paper 1 (GS)•Q.91
What are the advantages of fertigation in agriculture?
1
Controlling the alkalinity of irrigation water is possible.
2
Efficient application of Rock Phosphate and all other phosphatic fertilizers is possible.
3
Increased availability of nutrients to plants is possible.
4
Reduction in the leaching of chemical nutrients is possible.
GS-III
2020•Prelims•Paper 1 (GS)•Q.92
Consider the following minerals:
1
Bentonite;
2
Chromite;
3
Kyanite;
4
Sillimanite. In India, which of the above is/are officially designated as major minerals?
GS-I
2020•Prelims•Paper 1 (GS)•Q.93
With reference to Ocean Mean Temperature (OMT), which of the following statements is/are correct?
1
OMT is measured up to a depth of 26°C isotherm which is 129 meters in the south-western Indian Ocean during January - March.
2
OMT collected during January - March can be used in assessing whether the amount of rainfall in monsoon will be less or more than a certain long-term mean.
GS-I
2020•Prelims•Paper 1 (GS)•Q.94
With reference to chemical fertilizers in India, consider the following statements:
1
At present, the retail price of chemical fertilizers is market-driven and not administered by the Government.
2
Ammonia, which is an input of urea, is produced from natural gas.
3
Sulphur, which is a raw material for phosphoric acid fertilizer, is a by-product of oil refineries.
GS-III
2020•Prelims•Paper 1 (GS)•Q.95
With reference to India's Desert National Park, which of the following statements are correct?
1
It is spread over two districts.
2
There is no human habitation inside the Park.
3
It is one of the natural habitats of Great Indian Bustard.
GS-III
2020•Prelims•Paper 1 (GS)•Q.96
Siachen Glacier is situated to the
Geography
2020•Prelims•Paper 1 (GS)•Q.97
With reference to the history of India, consider the following pairs:
1
Bhilsa - Madhya Pradesh;
2
Dwarasamudra - Maharashtra;
3
Girinagar - Gujarat;
4
Sthanesvara - Uttar Pradesh.
History
2020•Prelims•Paper 1 (GS)•Q.98
Consider the following statements: 1. 36% of India's districts are classified as "overexploited" or "critical" by the Central Ground Water Authority (CGWA). 2. CGWA was formed under the Environment (Protection) Act. 3. India has the largest area under groundwater irrigation in the world. Which of the statements given above is/are correct?
Environment
2020•Prelims•Paper 1 (GS)•Q.99
Consider the following statements:
1
Jet streams occur in the Northern Hemisphere only.
2
Only some cyclones develop an eye.
3
The temperature inside the eye of a cyclone is nearly 10°C lesser than that of the surroundings.
Geography
2020•Prelims•Paper 1 (GS)•Q.100
Among the following Tiger Reserves, which one has the largest area under "Critical Tiger Habitat"?
Environment