Question

Write a paragraph on how I grown a plant

Answer 1

Answer:

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Answer 2

Answer:

It is impossible to under­stand plant growth without a sound knowledge of the basic facts of absorption, transport of materials such as minerals to the place of synthesis and metabolism itself. Besides these processes other factors specific to growth and development such as hormones must be mentioned. The advances made in this field during the previous 30 or 40 years have really been tremendous.

Growth may be defined as a permanent and irreversible change in any dimension of an organism.

Three main changes occur in meristems:

Cell division, cell enlargement and cell differentiation.

The growth of a plant may be due either to cell division or to cell enlargement.

This is possible only because the two daughter cells produced, enlarge to the approximately same size of the mother cell, before they divide again. Thus the growth of a plant or plant organ is essentially an increase in size due to an enlargement of cells and this cell enlargement must be irreversible and not simply a reversible increase due to normal increase in hydrostatic pressure, caused by turgour.

In classical concept of cell growth, the causative force is turgour pressure. Yet it is a fact that mature cells have higher turgour pressure than younger meristematic cells. The mature cells, however, have more rigid cell walls but the growing cells stretch more readily.

Explanation:

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