First slide

Essential Mineral Nutrients

Question

Identify the elements having narrow range of concentration at which they are optimum.
i- C
ii- K
iii- Mo
iv- B

Easy

A

i, ii, iii and iv
B

i and ii only
C

iii and iv only
D

i, ii and iii only

Solution

The requirement of micronutrients is always in low amounts while their moderate decrease causes the deficiency symptoms and a moderate increase causes toxicity. In other words, there is a narrow range of concentration at which the elements are optimum.

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