8G) Agriculture and Environment (Prelims PYQs)

1] Which of the following are nitrogen-fixing plants? [2022]
1. Alfalfa
2. Amaranth
3. Chickpea
4. Clover
5. Purslane (Kulfa)
6. Spinach
Select the correct answer using the code given below:

a) 1, 3 and 4 only
b) 1, 3, 5 and 6 only
c) 2, 4, 5 and 6 only
d) 1, 2, 4, 5 and 6

2] “System of Rice Intensification” of cultivation, in which alternate wetting and drying of rice fields is practised, results in: [2022]
1. Reduced seed requirement
2. Reduced methane production
3. Reduced electricity consumption
Select the correct answer using the code given below:

a) 1 and 2 only
b) 2 and 3 only
c) 1 and 3 only
d) 1, 2 and 3

3] In the context of India’s preparation for Climate-Smart Agriculture, consider the following statements: [2021]
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?

a) 1 and 2 only
b) 2 and 3 only
c) 1 and 3 only
d) 1, 2 and 3

4] What is/are the advantage/advantages of zero tillage in agriculture? [2020]
1. Sowing of wheat 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
Select the correct answer using the code given below:

a) 1 and 2 only
b) 2 and 3 only
c) 3 only
d) 1, 2 and 3

5] In the context of India, which of the following is/are considered to be practice(s) of eco-friendly agriculture? [2020]
1. Crop diversification
2. Legume intensification
3. Tensiometer use
4. Vertical farming
Select the correct answer using the code given below:

a) 1, 2 and 3 only
b) 3 only
c) 4 only
d) 1, 2, 3 and 4

6] What is the use of biochar in farming? [2020]
1. Biochar can be used as a part of the growing medium in vertical farming.
2. When biochar is a part of the growing medium, it promotes the growth of nitrogen-fixing microorganisms.
3. When biochar is a part of the growing medium, it enables the growing medium to retain water for longer time.
Which of the statements given above is/are correct?

a) 1 and 2 only
b) 2 only
c) 1 and 3 only
d) 1, 2 and 3

7] With reference to the ‘Global Alliance for Climate Smart Agriculture (GACSA)’, which of the following statements is/are correct? [2018]
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:

a) 1 and 3 only
b) 2 only
c) 2 and 3 only
d) 1, 2 and 3

8] With references to organic farming in India, consider the following statements: [2018]
1. ‘The National Programme for Organic Production'(NPOP) is operated under the guidelines and directions of the Union Ministry Of the Rural Development.
2. ‘The Agricultural and Processed and Products Export Development Authority'(APEDA) functions as the Secretariat for the implementation of NPOP.
3. Sikkim has become India’s first fully organic State.
Which of the following given above is/are correct?

a) 1 and 2 only
b) 2 and 3 only
c) 3 only
d) 1, 2 and 3

9] Which of the following is/are the advantage /advantages of practising drip irrigation? [2016]
1. Reduction in weed
2. Reduction in soil salinity
3. Reduction in soil erosion
Select the correct answer using the code given below.

a) 1 and 2 only
b) 3 only
c) 1 and 3 only
d) None of the above is an advantage of practising drip irrigation

10] Why does the Government of India promote the use of Neem-coated Urea’ in agriculture? [2016]

a) Release of Neem oil in the soil increases nitrogen fixation by the soil microorganisms
b) Neem coating slows down the rate of dissolution of urea in the soil
c) Nitrous oxide, which is a greenhouse gas, is not at all released into atmosphere by crop fields
d) Six is a combination of a weedicide and a fertilizer for particular crops

11] What can be the impact of excessive/inappropriate use of nitrogenous fertilizers in agriculture? [2015]
1. Proliferation of nitrogen-fixing microorganisms in soil can occur.
2. Increase in the acidity of soil can take place
3. Leaching of nitrate to the ground-water can occur.
Select the correct answer using the code given below.

a) 1 and 3 only
b) 2 only
c) 2 and 3 only
d) 1, 2 and 3

12] Consider the following statements: [2015]
1. The Accelerated Irrigation Benefits Programme was launched during 1996-97 to provide loan assistance to poor farmers.
2. The Command Area Development Programme was launched in 1974-75 for the development of water-use efficiency.
Which of the statements given above is/are correct?

a) 1 only
b) 2 only
c) Both 1 and 2
d) Neither 1 nor 2

13] Consider the following statements: [2014]
1. Maize can be used for the production of starch.
2. Oil extracted from maize can be a feedstock for biodiesel.
3. Alcoholic beverages can be produced by using maize.
Which of the statements given above is/are correct?

a) 1 only
b) 1 and 2 only
c) 2 and 3 only
d) 1, 2 and 3

14] What are the significances of a practical approach to sugarcane production known as ‘Sustainable Sugarcane Initiative’? [2014]
1. Seed cost is very low in this compared to the conventional method of cultivation.
2. Drip irrigation can be practiced very effectively in this.
3. There is no application of chemical/inorganic fertilizers at all in this.
4. The scope for intercropping is more in this compared to the conventional method of cultivation.
Select the correct answer using the code given below.

a) 1 and 3 only
b) 1, 2 and 4 only
c) 2, 3 and 4 only
d) 1, 2, 3 and 4

15] Consider the following organisms: [2013]
1. Agaricus
2. Nostoc
3. Spirogyra
Which of the above is/are used as biofertilizer/ biofertilizers?

a) 1 and 2
b) 2 only
c) 2 and 3
d) 3 only

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