Deficiency of S, Mo and N causes all the following symptoms except
(A) Necrosis
(B) Delay of flowering
(C) Inhibition of cell division
(D) Chlorosis
Answers
Explanation:
Deficiency symptoms- In the absence of any particular element, the plant shows certain morphological changes. These morphological changes are called deficiency symptoms. Five different deficiency symptoms in plants are as follows:
1. Chlorosis- It refers to the loss of chlorophyll causing yellowing of the leaves. This symptom is visible during the deficiency of N, K, Mg, S, Fe, MN, Zn, Mo etc.
2. Necrosis- The term necrosis signifies the death of tissues. Necrosis is seen during the deficiency of Ca, Mg, Cu, K etc.
3. Exanthema- It refers to splitting if skin and exudation of gummy matter. Exanthema is seen due to the deficiency of Cu.
4. Delayed flowering- The flowering is delayed due to the deficiencies of nitrogen, sulphur, and molybdenum.
5. Stunted plant growth- This deficiency symptom caused a decrease in the growth of the stem. Stunted plant growth is a result of the deficiencies of copper and sulphur.