Which of the following is not a micronutrient?

Which of the following is not a micronutrient?
| Which of the following is not a micronutrient?

A. Sodium

B. Copper

C. Silicon

D. Calcium

Please scroll down to see the correct answer and solution guide.

Right Answer is: C

SOLUTION

Concept:

  • Micronutrient: A chemical element or substance required in trace amounts for the normal growth and development of living organisms.
  • There are 7 essential plant nutrient elements defined as micronutrients [boron (B), zinc (Zn), manganese (Mn), iron (Fe), copper (Cu), molybdenum (Mo), chlorine (Cl)].
  • They constitute in total less than 1% of the dry weight of most plants.

Explanation:

  • Sodium, copper and calcium are micronutrients, that are very essential for the growth of plants.
  • Silicon is the semiconductor material, which is used in electronics, it is not essential for any biological process.

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