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Biology & Human...

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  • Question 1
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    Physical removal of large and small particle from the sewage through filtration and sedimentation is called?

     

  • Question 2
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    During anaerobic digestion of organic waste, such as in producing biogas, which one of the following is left undergraded?

     

  • Question 3
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    Which of the following is not related to microbes?

     

  • Question 4
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    Assertion: A small part of activated sludge is pumped back into aeration tank to serve as the inoculum.

    Reason: Remaining part of the sludge is pumped into large tanks called anaerobic sludge digester.

     

  • Question 5
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    Which one is the correct sequence of steps involved in sewage treatment?
    i. Filtration
    ii. Biological treatment
    iii. Sedimentation
    iv. Chlorination

     

  • Question 6
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    Which of the following is not microbe?

     

  • Question 7
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    Symbiotic association of fungi with plant are called as

     

  • Question 8
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    Agriculture by using only biofertilizers is called?

     

  • Question 9
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    Which one of the following is not used in organic farming?

     

  • Question 10
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    Which one of the following is used as biological insecticide?

     

  • Question 11
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    What is the major component of waste-water?

     

  • Question 12
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    What is the full form of STPs?

     

  • Question 13
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    A patient brought to a hospital with myocardial infarction is normally immediately given_______.

     

  • Question 14
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    Azolla is used as a biofertilizers because it

     

  • Question 15
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    Which of the following infectious disease cannot be controlled by antibiotics?

     

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