• CBSE Sample Papers
  • Boards
  • FAQ
  • Blog
  • My Notes
  • My Testimonials
  • Contact Us
  • Datesheets

MCQ 12.Mineral Nutrition / अध्याय : खनिज पोषण

MCQ Test

  • Q:1

    Q:1

  • A
    i and ii
  • B
    only iv
  • C
    i, ii and iii
  • D
    ii and iv
  • Q:2

    Which is improper pair of the following?

  • A
    Ionic balance in plants - Na
  • B
    Cell wall component - B
  • C
    Activation of Nitrogenase - Cu
  • D
    Required for iron absorption – Ni
  • Q:3

    Which element deficiency shows bronzing leaves?

  • A
    K
  • B
    N
  • C
    Ca
  • D
    S
  • Q:4

    A: Leguminous plants are grown between crops to increase yeild.
    R: Rizobium bacteria are present in the root - nodules of Leguminous plant.

  • A
    Both Aand R are true, & R gives correct explanation of A.
  • B
    Both Aand R are true, but R is not correct explanation of A.
  • C
    Ais true, but R is wrong.
  • D
    Ais wrong, but R is true.
  • Q:5

    Q:5

  • A
    1 - S, 2 - R, 3 - P, 4 - Q, 5 - T
  • B
    1 - S, 2 - R, 3 - T, 4 - P, 5 - Q
  • C
    1 - R, 2 - P, 3 - S, 4 - T, 5 - Q
  • D
    1 - T, 2 - S, 3 - Q, 4 - R, 5 – P
  • Q:6

    The region within the plasma membrane and within the vacuole is called?

  • A
    Nucleus membrane region
  • B
    Passive transport region
  • C
    Cellular region
  • D
    Active transport region
  • Q:7

    Which is the correct sequence of enzymes for protein synthesis during N fixation?

  • A
    Nitrogenase ® Transaminase ® Glutamate dehydrogenase
  • B
    Glutamate dehydrogenase ® Transaminase ® Nitrogenase
  • C
    Hydrogenase ® Glutamate dehydrogenase ® Transaminase
  • D
    Transaminase ® Nitrogenase ® Glutamate dehydrogenase
  • Q:8

    Write an example of bacteria and the process which is responsible for reducing nitrates to gaseous nitrogen?

  • A
    Agrobacteriumand Nitrification
  • B
    Pseudomonas and Agrobacterium
  • C
    Nitrosomonas and Denitrification
  • D
    Agrobacteriumand Denitrification
  • Q:9

    Zinc is a

  • A
    Non-mineral nutrient
  • B
    Macronutrients
  • C
    Trace element
  • D
    None of these
  • Q:10

    Copper acts as activator of………enzyme.

  • A
    Lactic dehydrogenase
  • B
    Tyrosinase
  • C
    Carbonic anhydrase
  • D
    Tryptophanase