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Crop Production and Management Test - 20

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Crop Production and Management Test - 20
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Freshly harvested grains must be dried before storing because:
    Solution
    If the freshly harvested grains are not dried, they might contain moisture. Moisture provides a growth media for various organisms like molds. Drying will delay the spoilage of the grains.
    Thus, the correct answer is option A.
  • Question 2
    1 / -0
    Which among the following fixes atmospheric nitrogen into the soil?
    Solution
    Rhizobium leguminosarum is a bacterium that lives in a mutualistic symbiotic relationship with legumes and has the ability to fix free nitrogen from the air. It attaches to the roots of the leguminous plant and produces nodules. These nodules fix atmospheric nitrogen and convert it into ammonia that can be used by the plant for its growth and development.
    Thus, the correct answer is option C.
  • Question 3
    1 / -0
    Identify the branch of biology based on the information given in the box.

    Solution
    Animal husbandry is defined as the agricultural practice of breeding and raising livestock by providing them with food and shelter. It also includes caring for these animals. Poultry such as chicken, duck, quails, etc are reared for eggs and meat. Animals such as cows and buffaloes are reared for milk. Goats are reared for milk and meat and sheep are reared for meat and wool. Thus the correct answer is option B.
  • Question 4
    1 / -0
    Which of the following crops cannot be grown between October and March?
    Solution
    • Any crop that can be grown between October and March or during winter seasons are called rabi crops such as wheat, cotton, maize, etc., as they do not require more water to grow.
    •  Whereas crops that grow during the rainy season are called kharif crops such as paddy as they require more water to grow. 
    Thus, the correct answer is option A.
  • Question 5
    1 / -0
    Which of the following methods of cultivation makes soil fertile?
    Solution
    Crop rotation is the practice of growing of different types of crops in alternate season. The cash crops grown in one season is replaced by leguminous plants in the other season. The nutrients which are used up by the previous crops are regained by the second crops. So, crop rotation maintains soil fertility and prevents soil erosion.
    So, the correct answer is option C.
  • Question 6
    1 / -0
    Which of the following agricultural implements is used to separate grain seeds from the chaff?
    Solution
    A combine is a machine that is used to harvest a variety of grain crops. The same machine is used for three processes as a single process - reaping, threshing and winnowing. Reaping is cutting of crops. Threshing is the process of separating the grain from the stalk. Winnowing is the process of separating the chaff from the grain.
    So, the correct answer is option D.

  • Question 7
    1 / -0
    Which of the following processes helps to remove the chaff from the grains ?
    Solution
    The process of separating the chaff from the seeds is called threshing. This step is done after harvesting the crops. For this purpose, a machine called combine is used. 
    So, the correct answer is option B.
  • Question 8
    1 / -0
    .......... is the first step to be followed before growing a crop.
    Solution
    Preparation of the soil is the first step before the growing of the crop. It helps to turn the soil and loosen it to allow the roots to penetrate deep into it. The loosening of the soil helps in the growth of several soil microbes, earthworms, etc. which enrich the soil with humus and other essential nutrients. 
    Thus, the correct answer is option A. 
  • Question 9
    1 / -0
    In _________ system of irrigation, water is delivered at or near the roots of the plant drop by drop. 
  • Question 10
    1 / -0
    A high concentration of synthetic auxins is generally used for
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