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11th Standard Botany - Mineral Nutrition English Medium Free Online Test One Mark Questions 2020 - 2021

11th Standard

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Botany

Time : 00:10:00 Hrs
Total Marks : 10

    Answer all the questions

    10 x 1 = 10
  1. Identify correct match:

    1. Die back disease of citrus (i) Mo
    2. Whip tail disease (ii) Zn
    3. Brown heart of turnip (iii) Cu
    4. Little leaf (iv) B
    (a)

    1(iii) 2 (ii) 3 (iv) 4 (i)

    (b)

    1 (iii) 2 (i) 3 (iv) 4 (ii)

    (c)

    1 (i) 2 (iii) 3 (ii) 4 (iv)

    (d)

    1 (iii) 2 (iv) 3 (ii) 4 (i)

  2. Identify the correct statement
    i. Sulphur is essential for amino acids Cystine and Methionine. 
    ii. Low level of N, K, S and Mo affect the cell division. 
    iii. Non-leguminous plant Alnuswhich contain bacterium Frankia. 
    iv. Denitrification carried out by nitrosomonas and nitrobacter.

    (a)

    I, II are correct

    (b)

    I, II, III are correct

    (c)

    I only correct

    (d)

    all are correct

  3. Which chelating agent found in soil are produced by bacteria?

    (a)

    Siderophores

    (b)

    EDTA

    (c)

    Auxin

    (d)

    Leghaemoglobip

  4. Roots of which plant contain a red pigment Which have affinity for oxygen?

    (a)

    Carrot

    (b)

    Soybean

    (c)

    Mustard

    (d)

    Radish

  5. Which group of plants can grow in nitrogen deficient soil?

    (a)

    Lichen

    (b)

    Gymnosperms

    (c)

    Bryophytes

    (d)

    Insectivorous plants

  6. Minerals that play an important role for activation of enzymes involved in respiration.

    (a)

    Sulphur and Calcium

    (b)

    Calcium and Potassium

    (c)

    Nitrogen and Molybdenum

    (d)

    Magnesium and Manganese

  7. ________  is not a structural component mineral

    (a)

    Carbon

    (b)

    Nitrogen

    (c)

    Oxygen

    (d)

    Magnesium

  8. ___________  is a mineral needed for binding of Ribosomal subunits.

    (a)

    Manganese

    (b)

    Magnesium

    (c)

    Zinc

    (d)

    Molybdenum

  9. Coralloid Roots are seen in  ____________

    (a)

    Cycas

    (b)

    Legume

    (c)

    Alnus

    (d)

    Lichens

  10. A free living anaerobic Nitrogen fixing bacteria __________

    (a)

    Azolla

    (b)

    Klebsiella

    (c)

    Clostridium

    (d)

    Frankia

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