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Resources and Development Test - 14

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Resources and Development Test - 14
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Which of the following states has laterite soil in abundance?
    Solution
    Karnataka.
  • Question 2
    1 / -0
    Which of the following method is used in Western and Central Himalayas for the soil conservation?
    Solution
    Steps can be cut out on the slopes making terraces. Terrace cultivation restricts erosion. Western and central Himalayas have well developed terrace farming. 
  • Question 3
    1 / -0
    Which of the following is responsible for soil erosion in farms?
    Solution
     Ploughing in a wrong way i.e. up and down the slope. It forms channels for the quick flow of water leading to soil erosion. 
  • Question 4
    1 / -0
    Which is a renewable resource?
    Solution
    The resources which can be renewed or reproduced by physical, chemical or mechanical processes are known as renewable or replenishable resources. For example, solar and wind energy, water, forests and wildlife, etc.
  • Question 5
    1 / -0
    Terracing helps soil conservation in ___________.
    Solution
    A terrace in agriculture is a piece of sloped plane that has been cut into a series of successively receding flat surfaces or platforms, which resemble steps, for the purposes of more effective farming. This method is called terracing. It is very useful in soil conservation in hilly or mountain areas.
  • Question 6
    1 / -0
    Who will maintain the organic matter of the soil?
    Solution
    Bacteria and fungi carry out the decomposition of plant residues, breaking them down and holding the nutrients in their bodies, this prevents the nutrients leaching out into the soil. They hold the nutrients until the nutrients are consumed- by protozoa, nematodes and then release the remaining nutrients in plant available form.
  • Question 7
    1 / -0
    Which of the following promotes soil erosion?
    Solution
    Human activities like deforestation, overgrazing, construction and mining etc. lead to soil erosion. 
  • Question 8
    1 / -0
    Major source of mineral in soil is the ___________.
    Solution
     The burning of fossil fuels like coal natural gas, petroleum in automobiles, industries and thermal plants leads to increase in air pollution.
  • Question 9
    1 / -0
    Soil erosion is caused by _______.
    Solution
    Soil erosion causes by water, mining, air.
  • Question 10
    1 / -0
    The soil is soft during wet and very hard during dry is _______.
    Solution
    The soil is soft during wet and very hard during dry is Black Soil.
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