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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Which of the following is not involved in water splitting reaction of photosynthesis?

  1. Cl-
  2. Mn++
  3. Cu
  4. Both A and C
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Critical concentration is the concentration of

  1. Any element below which plant growth is retarded but reproduction is not compromised
  2. Essential element below which plant growth is retarded
  3. Beneficial elements below which plant growth is retarded
  4. Beneficial elements above which plant growth is retarded
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The element which is present below the critical concentration?

  1. Deficient
  2. Efficient
  3. Beneficent
  4. Sufficient
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The elements which are actively mobilizable within the plants and exported to young developing tissues. The deficiency is symptom is observed in

  1. Both in young and old parts
  2. Only in young parts
  3. First in old parts
  4. First in young parts
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The deficiency symptoms of mobilizable substances appear first in Older parts because

  1. In order to mobilize the elements to young part, the biomolecules of older parts are broken down
  2. In order to mobilize the elements the older part becomes weaker
  3. The work of mobilization is random and takes a lot of energy to cause it
  4. All of these
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