Manganese is absorbed in the form of

  1. Mn+
  2. Mn++
  3. Mn+++
  4. MnO
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Many enzymes of photosynthesis, respiration and nitrogen metabolism are activated by

  1. Ca++
  2. Zn++
  3. Mn++
  4. Oxygen
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Manganese functions in

  1. Splitting of water to liberate oxygen
  2. Transfer of electrones through z scheme
  3. Cyclic Phosphorespiration
  4. Photorespiration
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For the synthesis of Auxin and activation of carboxylase, which of the following ion is involved?

  1. Zn++
  2. Cl-
  3. Ca++
  4. Mn+
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Copper is absorbed in

  1. Cupric form
  2. Cuprous form
  3. CuO
  4. Cu
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Which of the following is not involved in redox reactions?

  1. Cu++
  2. Fe++
  3. Cu+
  4. Cl-
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For the utilization of Ca++ which of the following is used?

  1. B
  2. Cl-
  3. Mo
  4. Cu
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Which of the following is not associated with B?

  1. Membrane functioning, utilization of Ca++
  2. Pollen germination, uptake of Ca++
  3. Cell elongation, catalase activation
  4. Cell differentiation, carbohydrate translocation
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Molybdenum is not a component of

  1. Nitrogenase
  2. Nitrate Reductase
  3. Catalase
  4. Both B and C
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Which of the following is not responsible for anion and cation balance?

  1. Na+
  2. K+
  3. Cl-
  4. Mo++
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