First slide
Essential Mineral Nutrients
Question

Which is essential for the growth of root tip?

Moderate
Solution

Root tip is characterised by meristematic activity. Meristem is dividing tissue so spindle formation is essential event and Ca is essential for polymerisation of tubulin units. So Ca is essential for growth of root tip. Zn, Fe & Mn haven’t any direct role in cell division so not essential for growth of root tip.

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