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.

946-s72

Similar Questions

Definitions / Explanation :

$(i)$ Conjoint vascular bundles

$(ii)$ Secondary growth

In stems, the protoxylem lies towards the _____________ and the metaxylem lies towards the ____________ of the organ

  • [AIIMS 2017]

Axillary bud and terminal bud are derived from the activity of

$(i)$ The ...$a$... help in maintaining the pressure gradient in the sieve tubes

$(ii)$ Stomata regulate the process of ....$b$..... and gaseous exchange

Match the following:

Column $- I$ Column $- II$
$(1)$ Monocot stem $(a)$ Bulliform cells
$(2)$ Monocot root $(b)$ Casperian strips
$(3)$ monocot leaf $(c)$ Polyarch xylem bundles
$(d)$ Vascular bundles conjoint and closed