For the synthesis of Auxin and activation of carboxylase, which of the following ion is involved?

(1) Zn++

(2) Cl-

(3) Ca++

(4) Mn+

Subtopic:  Mineral Function |
 88%
From NCERT
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Copper is absorbed in

(1) Cupric form

(2) Cuprous form

(3) CuO

(4) Cu

Subtopic:  Mineral Function |
 78%
From NCERT
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Which of the following is not involved in redox reactions?

(1) Cu++

(2) Fe++

(3) Cu+

(4) Cl-

Subtopic:  Mineral Function |
 72%
From NCERT
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For the utilization of Ca++ which of the following is used?

(1) B

(2) Cl-

(3) Mo

(4) Cu

Subtopic:  Mineral Function |
 84%
From NCERT
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Which of the following is not associated with Boron?

(1) Membrane functioning, utilization of Ca++

(2) Pollen germination, uptake of Ca++

(3) Cell elongation, catalase activation

(4) Cell differentiation, carbohydrate translocation

Subtopic:  Mineral Function |
 75%
From NCERT
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Molybdenum is not a component of

(1) Nitrogenase

(2) Nitrate Reductase

(3) Catalase

(4) Both B and C

Subtopic:  Mineral Function |
 69%
From NCERT
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Which of the following is not responsible for anion and cation balance?

(1) Na+

(2) K+

(3) Cl-

(4) Mo++

Subtopic:  Mineral Function |
 80%
From NCERT
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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

Subtopic:  Mineral Deficiency & Toxicity |
 74%
From NCERT
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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

Subtopic:  Mineral Deficiency & Toxicity |
 74%
From NCERT
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The element which is present below the critical concentration?

(1) Deficient

(2) Efficient

(3) Beneficent

(4) Sufficient

Subtopic:  Mineral Deficiency & Toxicity |
 93%
From NCERT
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