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An essential element is that which

a)

Improves health of the plant

b)

Is irreplaceable and indispensable for growth of plants

c)

Is found in plant ash

d)

Is available in the soil



Question ID - 3984 | SaraNextGen Top Answer

An essential element is that which

a)

Improves health of the plant

b)

Is irreplaceable and indispensable for growth of plants

c)

Is found in plant ash

d)

Is available in the soil

1 Answer
127 votes
Answer Key / Explanation : (b) -

(b)

Essential element has following features:

1.It is indispensable for the growth of plants.

2.Cannot be replaced by any other element.

3.Absence/deficiency produces disorders.

4.Has nutritive value.

5.Necessary for completion of vegetative or reproductive phase.

6.These are- C, H, O, N, P, K, S, Mg, Ca, Fe, B, Mn, Cu, Zn, Mo and Cl.

127 votes


127