Which of these are false statements about calcium?

I. It is required during the formation of the cell wall.
II. It accumulates in younger leaves.
III. Spindle fibres can't be formed without it.
IV. It is absolutely necessary for the synthesis of auxins.

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TestHub · Accepted Answer

Calcium is required during the formation of the cell wall as calcium pectinate in the middle lamella. It is also required by dividing cells as it helps in the formation of spindle fibres. It is an immobile element and is accumulated in older leaves. Zinc is required for the synthesis of auxins.

Botany - Mineral Nutrition Question with Solution | TestHub

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