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Question:
The characteristic of an essential element is that it
The characteristic of an essential element is that it
Updated On: Apr 18, 2024
- improves health of the plant
- is irreplaceable and indispensable for growth of plants
- is found in plant ash
- is available in the soil
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The Correct Option is B
Solution and Explanation
Essential elements has following characteristics:
(i) It is indispensable for the growth of plants.
(ii) It cannot be replaced by any other element.
(iii) Absence/deficiency produces disorders.
(iv) It has nutritive value.
(i) It is indispensable for the growth of plants.
(ii) It cannot be replaced by any other element.
(iii) Absence/deficiency produces disorders.
(iv) It has nutritive value.
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Concepts Used:
Essential Mineral Elements
Mineral Elements:
A large number of inorganic elements are necessary for all the life processes and hence should be taken into our diets in adequate amounts. Any deficiency in these minerals leads to an abnormality in the metabolic functioning of the body.
Essential Mineral Elements in Plants
There are two types of minerals that are essential for plant growth, such as:
1. Macrominerals
Minerals like Phosphorous, carbon, silicon, magnesium, hydrogen, sodium, nitrogen, potassium, calcium, oxygen, selenium, and sulfur are required in abundance for proper plant growth and are also found abundantly in plant tissues. Hence, they are known as macrominerals.
2. Microminerals
A few minerals like Iron, boron, zinc, cobalt, chlorine, nickel, manganese, copper, molybdenum, etc. are required in lesser quantities for proper growth by the plants and therefore, they are called microminerals. Further they are also called trace elements.
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