Write the precise function of

$(a)$ Sieve tube

$(b)$ Interfascicular cambium

$(c)$ Collenchyma

$(d)$ Aerenchyma

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$(a)$ Sieve tube : It is located in phloem tissue.It's function is to transport synthesized food into whole plant body.

$(b)$ Interfascicular cambium : It's function is to make secondary growth in dicot stem and root. It is a type of secondary meristematic tissue located between vascular bundles.

$(c)$ Collenchyma : It's function is to provide support to growing of tender parts of the plants. Angular thickening is seen at the corners of cells.

$(d)$  Aerenchyma: It provides buyoncy in aquatic plants.It is a special type of parenchyma. That contains large air spaces.

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$(1)$ The meristem which present at the tips of roots and shoots are called apical meristem

$(2)$ Apical meristem are secondary meristem

$(3)$ Intercalary meristem is the meristem that occurs in the mature region of roots and shoots of many plants and appear later than primary meristem :

$(4)$ Fascicular vascular cambium and interfascicular cambium are lateral meristem

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Assertion : In angiosperms, the conduction of water is more efficient because their xylem has vessels.
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