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Environmental Issues Test - 49

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Environmental Issues Test - 49
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Crop production without using chemicals is called as
    Solution
    Organic farming is a system which involves those practices which maintain the natural fertility of the soil. It avoids or largely excludes the use fertilizers, pesticides, hormones and relies upon crop rotations, crop residues, animal manures and biological system of nutrient mobilization and plant protection.
    Thus, the correct answer is option B.
  • Question 2
    1 / -0
    In organic farming, farmers use Penicillium  for the solubilization of
    Solution
    Phosphorus is one of the important minerals which is required for the growth of the plants. Phosphorus is generally added in the form of fertilizers as complexes which is not readily absorbed by the plants. There are certain organisms like the bacteria and fungi which have the capability to solubilize phosphorus. Bacteria like Pseudomonas and fungi like Penicillium can help in solubilising phosphorus. 
    Thus, the correct answer is option A. 
  • Question 3
    1 / -0
    Carbon dioxide is called a "greenhouse" gas, because
    Solution
    • There are certain gases in the atmosphere of the earth which can trap heat. These gases are called the greenhouse gases,
    • The common gases are carbon dioxide, methane, nitrous oxide, ozone and water vapour. 
    • These gases are able to capture and trap the heat in the atmosphere. The heat is in the form of infrared radiation.
    • This entrapment of the infrared radiations causes rise in the temperature in the earth's atmosphere. 
    Thus, the correct answer is option C. 
  • Question 4
    1 / -0
    Vehicular standard based on European regulation was first introduced in .......... in India.
    Solution
    There are many rules and regulations proposed for the control of the emissions given by the automobile. The standards which were accepted based on the European regulation in India was performed in the year of 2000. The rules have been put forward to minimise the output of the vehicles to reduce the consequences of air pollution. 
    Thus, the correct answer is option A. 
  • Question 5
    1 / -0
    In the long term, which of these saves energy and protect the environment?
    Solution
    Organic farming is the technique which is used for the evolution of the agricultural techniques and increase the production without the use of antibiotics, fertilizers and pesticides. Organic farming is a combination of farming with traditional methods and maintenance of livestock. This livestock includes cattle and other farm animals. This system also uses the microbial culture to enhance the soil quality and fertility. The animals and the microbes are used for the production of crops. There is no problem of pollution or leaching of the chemicals into the water system. This type of farming saves energy and money. There is no harm to the environment due to the activities performed during organic farming. 
    Thus, the correct answer is option C. 
  • Question 6
    1 / -0
    All of the following are associated with organic farming except
    Solution
    Organic farming is the technique which is used for the evolution of the agricultural techniques and increase the production without the use of antibiotics, fertilizers and pesticides. There is combination of farming with traditional methods and maintenance of livestock. There is use of biofertilizers and biopesticides which include the use of live organisms for providing nutrition to the plants. Green manure is used for increasing the soil fertility. This also improves the water-holding capacity of the soil. 
    Thus, the correct answer is option A. 

  • Question 7
    1 / -0
    Identify the integrated farming of crops and livestock.
    Solution
    Organic farming is the technique which is used for the evolution of the agricultural techniques and increase the production without the use of antibiotics, fertilizers and pesticides. Organic farming is a combination of farming with traditional methods and maintenance of livestock. This livestock includes cattle and other farm animals. This system also uses the microbial culture to enhance the soil quality and fertility. 
    Thus, the correct answer is option A. 
  • Question 8
    1 / -0
    Organic farming completely relies on
    Solution
    Organic farming is the technique which is used for the evolution of the agricultural techniques and increase the production without the use of antibiotics, fertilizers and pesticides. The method completely relies on sustainable techniques like microbial inoculation which doesn't pose a threat to the environment. This system uses the microbial culture to enhance the soil quality and fertility. The activity of the microbes adds nutrients to the soil. These nutrients can be used by the plants for growth and development. The technique involves the use of cattle and other farm animals for farming. There is use of green manure, biofertilizers and biopesticides. 
    Thus, the correct answer is option B. 
  • Question 9
    1 / -0
    Government of India has adopted auto fuel policy to effectively cut down 
    Solution
    Government of India has adopted auto fuel policy to effectively cut down sulphur and nitrogen oxides as these are harmful air pollutants and the major cause of acid rain. It affects human health along with other organisms as they lead to eye irritation, suffocation, shortness of breath and death of many bacteria. This norms will cut down these gases to a larger level.
    So, the correct answer is option D.
  • Question 10
    1 / -0
    Bharat norms are applicable to 
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