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AIIMS 2007
Exam
AIIMS
Year
2007
Subject
Botany
Chapter
Mineral Nutrition

AIIMS 2007 · Botany · Mineral Nutrition

Which of the following is correct set of micronutrient for plants?

Which of the following is correct set of micronutrient for plants?

Options

  1. A(\mathrm{Mg}, \mathrm{Si} \mathrm{Fe}, \mathrm{Cu} \mathrm{Ca})
  2. B(\mathrm{Cu}, \mathrm{Fe}, \mathrm{Zn}, \mathrm{B}, \mathrm{Mn})
  3. C(\mathrm{Mg}, \mathrm{Fe}, \mathrm{Zn}),
  4. DMo, (\mathrm{Zn}, \mathrm{Cl}, \mathrm{Mg}), Ca

Correct answer

B. (\mathrm{Cu}, \mathrm{Fe}, \mathrm{Zn}, \mathrm{B}, \mathrm{Mn})

Step-by-step solution

Plants require nutrients for proper growth and development. 16 elements are necessary for plants and are called essential elements as (C,H,O,N,P,S,K\mathrm{C}, \mathrm{H}, \mathrm{O}, \mathrm{N}, \mathrm{P}, \mathrm{S}, \mathrm{K}), (Mg,Ca,Fe,Cu,B,Zn,Mn,Mo\mathrm{Mg}, \mathrm{Ca}, \mathrm{Fe}, \mathrm{Cu}, \mathrm{B}, \mathrm{Zn}, \mathrm{Mn}, \mathrm{Mo}) and (Cl\mathrm{Cl}). These essential elements are categorised into 2 groups as macro elements and micro elements. Marco elements are required by plants in larger amounts eg., (C,H,O,N,S\mathrm{C}, \mathrm{H}, \mathrm{O}, \mathrm{N}, \mathrm{S}), (P,K,Ca,Mg\mathrm{P}, \mathrm{K}, \mathrm{Ca}, \mathrm{Mg}). Microelements or trace elements are required by plants in very small amounts ie in traces ege g., (Fe,Cu,B,Mn,Ni\mathrm{Fe}, \mathrm{Cu}, \mathrm{B}, \mathrm{Mn}, \mathrm{Ni}), Mo and (Cl\mathrm{Cl}).
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