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UPSC Exam  >  UPSC Tests  >  Test: Agriculture - 3 - UPSC MCQ

Test: Agriculture - 3 - UPSC MCQ


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10 Questions MCQ Test - Test: Agriculture - 3

Test: Agriculture - 3 for UPSC 2024 is part of UPSC preparation. The Test: Agriculture - 3 questions and answers have been prepared according to the UPSC exam syllabus.The Test: Agriculture - 3 MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Agriculture - 3 below.
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Test: Agriculture - 3 - Question 1
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What is the agricultural practice in which one crop is under sown in a standing crop called?

Detailed Solution for Test: Agriculture - 3 - Question 1
Relay cropping is an agricultural practice where one crop is under sown in a standing crop. It is a form of intercropping, but the key distinction is that the two crops are grown in sequence, with the second crop being planted before the first one is harvested. This practice helps maximize land use efficiency and can provide additional benefits such as weed suppression and improved soil health.
Test: Agriculture - 3 - Question 2
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Which agricultural practice is most suitable for dryland areas with low rainfall and wide variability in precipitation?

Detailed Solution for Test: Agriculture - 3 - Question 2
Dryland farming is the most suitable agricultural practice for dryland areas with low rainfall and wide variability in precipitation. In such regions, where irrigation facilities are limited, dryland farming relies on drought-resistant crop varieties and techniques to maximize productivity.
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Test: Agriculture - 3 - Question 3
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In which climatic region of India does the average temperature range between 18-29?C and receive rainfall of more than 200 cms?

Detailed Solution for Test: Agriculture - 3 - Question 3
The climatic region in India where the average temperature ranges between 18-29?C and receives rainfall of more than 200 cms is known as the "Tropical monsoon region." This region includes areas like the western coastal plains, Assam, and the northeastern states, which experience heavy rainfall during the monsoon season.
Test: Agriculture - 3 - Question 4
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How can the yields from dryland farming be increased?
Detailed Solution for Test: Agriculture - 3 - Question 4
The yields from dryland farming can be increased through a combination of strategies, including better irrigation facilities and water management, cultivating drought-resistant strains of plants, and using fertilizers and high-yielding variety (HYV) seeds. These measures help mitigate the challenges of low rainfall in dryland areas.
Test: Agriculture - 3 - Question 5
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What is the approximate extent of wasteland in India, and which states have the largest wasteland areas?
Detailed Solution for Test: Agriculture - 3 - Question 5
The approximate extent of wasteland in India is approximately 53.3 million hectares. The states with the largest wasteland areas are Jammu and Kashmir and Rajasthan, which together comprise nearly 50% of the total wastelands in India.
Test: Agriculture - 3 - Question 6
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What is the term for fallow land that has the potential for cultivation but is lying unused due to various reasons like waterlogging, salinity, and soil erosion?
Detailed Solution for Test: Agriculture - 3 - Question 6
The term for fallow land that has the potential for cultivation but is lying unused due to various reasons like waterlogging, salinity, and soil erosion is "wasteland." Wasteland can be reclaimed and brought back into productive use by addressing the factors that caused it to become fallow.
Test: Agriculture - 3 - Question 7
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What is the process of converting atmospheric nitrogen into ammonia by nitrogen-fixing microbes called?
Detailed Solution for Test: Agriculture - 3 - Question 7
The process of converting atmospheric nitrogen into ammonia by nitrogen-fixing microbes, such as certain bacteria and blue-green algae, is called "biological nitrogen-fixation."
Test: Agriculture - 3 - Question 8
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What is the term for cost-effective, renewable sources of nutrients that can supplement chemical fertilizers in agriculture?
Detailed Solution for Test: Agriculture - 3 - Question 8
The term for cost-effective, renewable sources of nutrients that can supplement chemical fertilizers in agriculture is "biofertilizers." Biofertilizers are beneficial microorganisms or substances derived from natural sources that enhance soil fertility and plant growth.
Test: Agriculture - 3 - Question 9
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Which agricultural practice involves the growth of earthworms in waste materials, using their excretion as manure?
Detailed Solution for Test: Agriculture - 3 - Question 9
Vermicomposting is the agricultural practice that involves the growth of earthworms in waste materials, using their excretion as manure. Earthworms help in breaking down organic matter and enriching the soil with valuable nutrients.
Test: Agriculture - 3 - Question 10
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What is the term for the process of transferring genes from one organism to another to create genetically modified (GM) crops?
Detailed Solution for Test: Agriculture - 3 - Question 10
The term for the process of transferring genes from one organism to another to create genetically modified (GM) crops is "genetic engineering." Genetic engineering allows scientists to insert specific genes into an organism's DNA to confer desired traits or characteristics.
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