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Microbes in Human Welfare Test - 16

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Microbes in Human Welfare Test - 16
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Some blue green algae can be used as biofertilizer as they are
    Solution
    Some cyanobacteria can fix atmospheric nitrogen in anaerobic conditions by means of specialized cells called heterocysts. These heterocyst forming species are specialized for nitrogen fixation, and are able to fix nitrogen gas into ammonia, nitrites, or nitrates, which can be absorbed by plants and converted to proteins and nucleic acids as nitrogen cannot be directly absorbed by plants. Therefore, some of the cyanobacterial species are used as biofertilizers. 
    So, the correct answer is 'Capable of fixing nitrogen'
  • Question 2
    1 / -0
    Biofertilizers include
  • Question 3
    1 / -0
    Which one of the following is useful in rice fields?
  • Question 4
    1 / -0
    Primary sludge is used for
  • Question 5
    1 / -0
    Dosa and Idli are preparations of
  • Question 6
    1 / -0
    Antibiotics are drugs commonly used to cure diseases of.
    Solution
    Antibiotics are chemical substances released by one microorganism either to kill or to pacify other microrganisms, in medicine usually this term is associated with curing of bacterial diseases
  • Question 7
    1 / -0
    A fern commonly inoculated to paddy fields is
  • Question 8
    1 / -0
    Sausages are fermented
  • Question 9
    1 / -0
    Microbe yielding 'clot buster' for myocardial infraction is?
    Solution
    Streptomyces produces clot busters helpful for patients who have undergone myocardial infraction.
    Correct answer-C
  • Question 10
    1 / -0
    Which is used as biofertilizer?
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