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Biology Test 3...

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  • Question 1
    4 / -1

    Which of the following manure is prepared from young, green crop plants by ploughing them back into soil?

  • Question 2
    4 / -1

    Identify which one of the below mentioned microbes has never been used as a biofertilizer.

  • Question 3
    4 / -1

    Which of the following organic acids is manufactured at a large scale in pharmaceutical industries, colouring agent forming industries and in plastic industries?

  • Question 4
    4 / -1

    Which of the following statements is false regarding cloning vectors?

  • Question 5
    4 / -1

    Which specie of bacteria, amongst the following produces Streptomycin?

  • Question 6
    4 / -1

    The Shallow water region present on the edge of lake is known as

  • Question 7
    4 / -1

    Which of the following is a conduit for energy transfer across trophic levels?

  • Question 8
    4 / -1

    Read the following statements about decomposition and mark the ‘false’ option:  , 
    a) Decomposer breakdown complex inorganic matter to organic substances.  , 
    b) In fragmentation, detritivores break down detritus into smaller particles.  , 
    c) In catabolism, bacterial and fungal enzymes degrade detritus into simpler inorganic substances. , 
    d) Water-insoluble inorganic nutrients go down into the soil horizon during the process of leaching.

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