(pdf) Question Paper: UPSC IAS Prelims 2020 GS Paper 1 Question Paper

QUESTION PAPER: UPSC Civil Services (Preliminary) Examination paper, 2020 – GENERAL STUDIES PAPER-I Question Paper Download pdf







1.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.

Reduction in the launching of chemicals 
4. nutrients is possible.

Select the correct answer using the code given below

(a)1, 2 and 3 only

(b) 1, 2 and 4 only

(c) 1, 3 and 4 only

(d) 2, 3 and 4 only

2. 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?

(a)1 and 2 only

(b)

(e)

(d)





4 only

1 and 3 only

2, 3 and 4 only

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.

Select the correct answer using the code given

below:

(a)

(h)

(c)

(d)

1 only

2 only

Both 1 and 2

Neither 1 nor 2

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 by-product of oil refineries. a

Which of the statements given above is/are correct ?

(a) 1 only

(b)

(c)

(d)

2 and 3 only

2 only

1, 2 and 3

5.

With reference to India's Desert National 7. 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 habitat of Great Indian Bustard.

Select the correct answer using the code

below :

(a) 1 and 2 only

(b) 2 and 3 only

(c) 1 and 3 only

(d)

1, 2 and 3

given

With reference to the history of India, consider the following pairs :

Famous Place

1. Bhilsa

2.

Present State

Madhya Pradesh

Dwarasamudra Maharashtra

3. Girinagar

4. Sthanesvara

Gujarat

Uttar Pradesh

Which of the pairs given above are correctly

matched ?

(a)

(b)

(c)

(d)

1 and 3 only

1 and 4 only

2 and 3 only

2 and 4 only

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.

India has the largest area under

8.

3.

groundwater irrigation in the world. Which of the statements given above is/are

correct ?

(a)

1 only

(b) 2 and 3 only

(c)

(d)

2 only

1 and 3 only

6.

Siachen Glacier is situated to the

(a)

(b)

(c)

(d)

HGY-P-JHKI

East of Aksai Chin

East of Leh

North of Gilgit

North of Nubra Valley


9.

Consider the following statements:

1

Jet Streams occur in the Northern

Hemisphere only

Only some cyclones develop an eye.

The temperature inside the eye of a cyclone nearly 10°C less than that of the surroundings

Which of the statements given above is/are 12.

correct?

(a)

1 only

(b) 2 and 3 only

(e) 2 only

(d)

1 and 3 only

11.

If a particular plant species is placed under Schedule VI of The Wildlife Protection Act, 1972, what is the implication ?

(a) A licence is required to cultivate that plant.

(b) Such a plant cannot be cultivated under

(c) (d)

any circumstances, It is a Genetically Modified crop plant. Such a plant is invasive and harmful to

the ecosystem.

With reference to the period of Gupta dynasty in ancient India, the towns Ghantasala,

Kadura and Chaul were well known as

(a)

(b)

ports handling foreign trade capitals of powerful kingdoms

(c) places of exquisite stone art and

architecture (d) important Buddhist pilgrimage centres

13. What is/are the advantage/advantages of zero tillage in agriculture ?

1. Sowing of wheat is possible without

2.

burning the residue of previous crop. 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.

Select the correct answer using the code given below

(a) 1 and 2 only and 3 only

(b) 2

(e)

(d)

3 only

1, 2 and 3

2.

3.

10. Among the following Tiger Reserves, which one has the largest area under "Critical Tiger Habitat"?

(a)

(b)

Corbett

Ranthambore

(c) Nagarjunsagar-Srisailam

(d)

HGY-P-JHKI

Sunderbans