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प्रश्न
Short Answer Question:
Enlist the role and deficiency symptoms of Potassium.
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उत्तर
Potassium:
a. Role: Helps in determining anion- cation balance in cells involved in protein synthesis, involved in the formation of the cell membrane and in opening and closing of stomata; increases hardness; activates enzymes, and helps in the maintenance of turgidity of cells.
b. Deficiency symptom: Yellow edges to leaves, premature death.
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संबंधित प्रश्न
Given statement are true? If false, correct them - Every mineral element that is present in a cell is needed by the cell.
Function of Zinc is ______.
Short Answer Question:
Enlist the role and deficiency symptoms of Phosphorus.
Cell walls become brittle due to lack of ____________ elements.
The dieback of Citrus and reclamation disease of cereals and leguminuous plants is due to the deficiency of ______.
Complete the following box with reference to symptoms of mineral deficiency:
| Abscission | Pre-mature fall of flowers, fruits and leaves |
| ______ | Appearance of green and non-green patches on leaves |
Enlist role and deficiency symptoms of Calcium.
Match the following:
| Column 'A' | Column 'B' (Symptoms observed) |
||
| (1) | Deficiency of Cu | (a) | Malformed leaves |
| (2) | Deficiency of B | (b) | Leaves with yellow edges |
| (3) | Deficiency of Zn | (c) | Brown heart disease |
| (4) | Deficiency of K | (d) | Die back of shoot |
Plants usually absorb Nitrogen in the form of nitrates because Nitrogen is ______.
Which one of the following present in plants is mineral in origin?
