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Crop Production and Management Test - 18

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Crop Production and Management Test - 18
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  • Question 1
    1 / -0
    Which of the following has a high nutrient content but can cause side effect?
    Solution
    • Fertilizers, chemically synthesized substances that are rich in plant nutrients such as NPK. They are artificially made but have a rapid response. 
    • Overuse of fertilizers can cause negative effects like loose soil fertility, bioaccumulation, etc. Therefore, the correct answer is option C.
  • Question 2
    1 / -0
    Large scale storage of grains is done in _______________
    Solution
    • Insects in stored grain can cause much damage. The farmer may lose up to a third of the stored grain. 
    • Large scale storage of grains is done in silos and granaries to protect them from pests like rats and insects.

    Therefore, the correct answer is option B.
  • Question 3
    1 / -0
    Fresh crop has more__________________
    Solution
    • The fresh crop has more moisture. Hence, they should be dried in the sun to reduce moisture before storage because if freshly harvested grains are stored they may get spoilt or attacked by organisms.

    Therefore, the correct answer is option A.
  • Question 4
    1 / -0
    Small scale storage of grains is done in_______________________
    Solution
    • Storage of food crops is an important step of agricultural practices like harvesting because if the grains are not stored properly it may get spoilt or attacked by insects or rats or microorganisms. 
    • Large scale storage of grains is done in granaries or silo. On small scale farmers store their dried grains in jute bags or metallic bins. 

    Therefore, the correct answer is option D.
  • Question 5
    1 / -0
    The initial main purpose of ploughing is ____________
    Solution
    • A plow or plow is a tool used in farming for initial cultivation of soil in preparation for sowing seed or planting to loosen or turn the soil. 

    Therefore, the correct answer is option A.
  • Question 6
    1 / -0
    .......... plants are responsible for fixing of nitrogen.
    Solution
    • In leguminous plants, the nitrogen-fixing bacteria live symbiotically in root nodules. Within these nodules, nitrogen fixation is done by them, and the $$NH_3$$ produced is absorbed by the plant. 
  • Question 7
    1 / -0
    Weeds take up nutrients and ______ the growth of the crop
    Solution

  • Question 8
    1 / -0
    Soil replenishment can also be done by _______________
    Solution
    • Crop rotation is one of the oldest and most effective cultural control strategies. 
    • rotation means growing of different types of crops on the same field in succession which prevents the depletion of nutrients from the soil. It maintains soil fertility.

    Therefore, the correct answer is option A.
  • Question 9
    1 / -0
    Storage of food for longer duration should be prevented from_______________
    Solution
    • The storage of food crops is an important step of agricultural practices. If the crop grains are to be kept for a longer time, they should be prevented from moisture, insects, rats, and microorganisms. 

    Therefore, the correct answer is option C.
  • Question 10
    1 / -0
    Cod liver oil is obtained by which of the following animals?
    Solution
    Fish is the source of cod liver oil which is really good for health, as it is rich in vitamin D.
    So, the correct option is A.
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