Geography

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7 questions

2020 · Question 80 · Agriculture
What is the use of biochar in farming ? 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 ?
Choose your answer(a)1 and 2 only(b)2 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)
2020 · Question 83 · Agriculture
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. Select the correct answer using the code given below :
Choose your answer(a)1 and 2 only(b)2 and 3 only(c)3 only(d)1, 2 and 3
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2020 · Question 86 · Agriculture
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. Which of the statements given above is/are correct ?
Choose your answer(a)1 only(b)2 and 3 only(c)2 only(d)1, 2 and 3
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2020 · Question 87 · Agriculture
“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 ?
Choose your answer(a)Cotton(b)Jute(c)Sugarcane(d)Tea
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2020 · Question 89 · Agriculture
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. Which of the statements given above is/are correct ?
Choose your answer(a)1 and 2 only(b)3 only(c)1 and 4 only(d)2, 3 and 4 only
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2020 · Question 90 · Agriculture
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 Select the correct answer using the code given below :
Choose your answer(a)1, 2 and 3 only(b)3 only(c)4 only(d)1, 2, 3 and 4
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2020 · Question 91 · Agriculture
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. Select the correct answer using the code given below :
Choose your answer(a)1, 2 and 3 only(b)1, 2 and 4 only(c)1, 3 and 4 only(d)2, 3 and 4 only
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)

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 Select the correct answer using the code given below :