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Question

Identify a common symptom caused by deficiency of essential minerals Cu, Ca, K and Mg in plants.

A
Inhibition of cell division
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B
Formation of anthocyanin
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C
Poor development of vasculature
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D
Appearance of dead necrotic areas
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Solution

The correct option is D Appearance of dead necrotic areas
Necrosis or death of tissue (particularly leaf tissue) is due to the deficiency of Ca, Mg, Cu, K. Common symptom caused by deficiency of essential minerals Cu, Ca, K and Mg in plants is appearance of dead necrotic area.

Deficiency of N, K, S and Mo causes stunted growth because of inhibition of cell division.

Anthocyanin accumulation in tissues leads to such a typical red-purple leaf phenotype. Nitrogen deficiency can also cause anthocyanin synthesis.

Boron (B) is crucial for the development of the vascular tissue in many dicotyledonous plants.

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