Question:
Consider the following statements.
(i) $\quad$Sulphur is present in two amino acids-cysteine and valine.
(ii) $\quad$Low level of N, K, S and Mo causes an inhibition of cell division.
(iii) $\quad$The microbe that produces nitrogen fixing nodules on the roots $\quad$$\quad$$\quad$of non- leguminous plant " Alnus" is Frankia.
(iv)$\quad$ Denitrification is carried by the bacteria Nitrosomonas and$\quad$$\quad$$\quad$ Nitrobacter.
Of the above statements
Consider the following statements.
(i) $\quad$Sulphur is present in two amino acids-cysteine and valine.
(ii) $\quad$Low level of N, K, S and Mo causes an inhibition of cell division.
(iii) $\quad$The microbe that produces nitrogen fixing nodules on the roots $\quad$$\quad$$\quad$of non- leguminous plant " Alnus" is Frankia.
(iv)$\quad$ Denitrification is carried by the bacteria Nitrosomonas and$\quad$$\quad$$\quad$ Nitrobacter.
Of the above statements
Updated On: Jun 6, 2022
- (i) and (ii) alone are correct
- (i) and (iii) alone are correct
- (ii) and (iii) alone are correct
- (ii) and (iv) alone are correct
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The Correct Option is C
Solution and Explanation
Answer (c) (ii) and (iii) alone are correct
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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.