Which of the following is not responsible for anion and cation balance?

(1) Na+

(2) K+

(3) Cl-

(4) Mo++

Subtopic:  Mineral Function |
 84%
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 |
 81%
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 |
 78%
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 |
 96%
From NCERT
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The elements which are actively mobilizable within the plant body and are exported to young developing plant parts,  their deficiency symptom will be first observed in

1. Both in young and old parts

2. Only in young parts

3. First in old parts

4. First in young parts

Subtopic:  Mineral Deficiency & Toxicity |
 87%
From NCERT
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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

Subtopic:  Mineral Deficiency & Toxicity |
 66%
From NCERT
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The elements which are not actively mobilizable  or immobilized within the plants . 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

Subtopic:  Mineral Deficiency & Toxicity |
 72%
From NCERT
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The deficiency symptoms of how many elements will be appearing in older tissue first?

N,K,Mg,S,Ca

(1) Zero

(2) Three

(3) Two

(4) Four

Subtopic:  Mineral Deficiency & Toxicity |
 69%
From NCERT
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The deficiency symptoms of S and Ca will appear first in

(1) Both in young and old parts

(2) Only in young parts

(3) First in old parts

(4) First in young parts

Subtopic:  Mineral Deficiency & Toxicity |
 82%
From NCERT
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Why does S and Ca deficiency not found in older parts first?

(1) As they are immobilizable

(2) As they are very abundant in older parts

(3) As newer parts are already deficient

(4) Both A and B

Subtopic:  Mineral Deficiency & Toxicity |
 65%
From NCERT
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