Which one of the following tissues is involved in growth?
A
Xylem
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B
Blood
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C
Meristem
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D
Root hair
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Solution
The correct option is B Meristem
Meristematic cells are isodiametric, compactly arranged with dense cytoplasm, large nucleus, and small vacuoles or without vacuoles. Cell walls are thin and they are at a constant state of division.
Meristematic cells give rise to various organs of the plant and keep the plant growing.
The shoot apical meristem (SAM) gives rise to organs like the leaves and flowers, while the root apical meristem (RAM) provides the meristematic cells for the future root growth. Xylem, blood and root hairs does not involve in growth.