NEET • Biology

Plant Growth and Development

18 revision cards

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concept

Growth

Growth is an irreversible permanent increase in size of an organ or its parts or an individual cell.

Recall Question

Why is plant growth generally indeterminate?

Reveal Answer

Because plant growth continues throughout life due to the presence of meristems.

Recall cueSource-backed detail

Energy

Growth involves metabolic processes that consume energy.

Indeterminate growth

Plant growth continues throughout life due to meristems.

Open form of growth

New cells are always added to plant body by meristems.

Primary growth

Root apical meristem and shoot apical meristem; elongation along axis.

Secondary growth

In gymnosperms and dicots; lateral meristems, vascular cambium and cork-cambium increase girth.