Self Studies

Mineral Nutriti...

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  • Question 1
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    In the root nodules of leguminous plants, the pigment, necessary for nitrogen fixation is?

  • Question 2
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    Low concentrations of which of the following elements will lead to delay in flowering?

  • Question 3
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    How is it possible to get a rough idea of the deficiency of an essential element in the soil without doing soil tests?

  • Question 4
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    The association between ants and membrane of family rubiaceae is

  • Question 5
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    Minerals required for synthesis of chlorophyll molecule are

  • Question 6
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    Match the following.

    (A) Nitrobacter (i)  Free living aerobic nitrogen fixing organism
    (B) Clostridium(ii)  Converts nitrite to nitrates
    (C) Nitrosococcus  (iii) Converts ammonia to nitrite
    (D) Azotobacter (iv)  Free living anaerobic nitrogen fixing organism

  • Question 7
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    Which of these plants require vanadium for its growth?

  • Question 8
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    The main constituents of cytoplasm is C, N, O, H. These are derived from-

  • Question 9
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    Which of the following red pigment is associated with bacteria, Rhizobium?

  • Question 10
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    The absorbed phosphorous is often stored in vegetative tissues and seeds in form of

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