Which group of elements is not essential for normal plant growth?

K,Ca,Mg

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Fe, Zn, Mn,Cu

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Pb, N, I, Na

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Mg, Fe, Mo

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Solution

The correct option is C Pb, N, I, Na
Plant nutrients are classified into micronutrients and macronutrients based on the quantity in which they are required. Macronutrients are nutrients needed by the plant in large quantities like nitrogen, phosphorus, and potassium. Micronutrients are nutrients utilized by plants in small quantities like iron, magnesium, and zinc.

Seventeen elements are essential for plant growth. They are as follows: C, H, O, N, P, K, Ca, Mg, S, Fe, Mn, Cu, Mo, Zn, B, Cl, and Ni.

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Similar questions

Q. C,H,O,N,S,B,K,P,Ca,Mg,Fe,Mn,Cu,Zn,Mo,Cl,Ni- are these elements essential for plant growth?

Match the following deficiency symptoms with relevant essential elements:

$\begin{matrix} Column - I & Column - II A . Chlorosis & 1. N, S, Mo B . Necrosis & 2. N, K, S, Mo C . Inhibition of cell division & 3. Ca, Mg, Cu D . Delay of flowering & 4. N, K, Mg, S, Fe, Mn, Zn, Mo \end{matrix}$

Q. Match the columns and choose the correct combination.

	I(Essential Elements)		II(Deficiency Causes)
(a)	N, K, Mg, S, Fe, Mn, Zn and Mo	(i)	Inhibit cell division
(b)	N, K, S and Mo	(ii)	Necrosis
(c)	Ca, Mg, Cu and K	(iii)	Delay in flowering
(d)	N, S and Mo	(iv)	Chlorosis

L i

K

C a

N a

M g

A l

Z n

F e

P b

C u

H g

A g

Which metal will displace hydrogen from acids but not water?

Q. Name the following elements: C, H, O, N, P, S, Na, Cl, Ca, Fe, Cu, Zn, Mg

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