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प्रश्न
Given statement are true? If false, correct them - Every mineral element that is present in a cell is needed by the cell.
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उत्तर
All the mineral elements present in a cell are not needed by the cell. For example, plants growing near radioactive mining sites tend to accumulate large amounts of radioactive compounds. These compounds are not essential for the plants.
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संबंधित प्रश्न
All elements that are present in a plant need not be essential to its survival’. Comment.
following statement are true? If false, correct them: Boron deficiency leads to stout axis.
Given statement are true? If false, correct them: - It is very easy to establish the essentiality of micronutrients because they are required only in trace quantities.
Why Chl-a (Chlorophyll-a) is Called Essential Pigment?
Short Answer Question:
Enlist the role and deficiency symptoms of Nitrogen.
Short Answer Question:
Enlist the role and deficiency symptoms of Potassium.
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 ______.
Abscission means ______.
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 Zinc.
Enlist role and deficiency symptoms of Calcium.
Give the name of the deficiency caused due to sulphur in stem and root.
Give reason: Some deficiency symptoms of mineral are visible in young leaves while some appear in older leaves.
Give observed symptom when the following mineral are deficient.
Deficiency of Cu
Give observed symptom when the following mineral are deficient.
Deficiency of Bo
Give observed symptom when the following mineral are deficient.
Deficiency of Zn
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 |
