What is present on the surface of the leaves which helps the plant prevent loss of water but is absent in roots?
What is present on the surface of the leaves which helps the plant prevent loss of water but is absent in roots?
$\Rightarrow$ Cuticle is a wax like covering on whole surface of plant. It is absent in roots. It prevents loss of water by the surface of the plant.
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Select correct features w.r.t. trichomes in shoot system
$(a)$ Usually unicelled
$(b)$ Branched or unbranched
$(c)$ May be secretory
$(d)$ Soft or stiff
$(e)$ Helps against transpiration
Select correct features w.r.t. trichomes in shoot system
$(a)$ Usually unicelled
$(b)$ Branched or unbranched
$(c)$ May be secretory
$(d)$ Soft or stiff
$(e)$ Helps against transpiration
Distinguish between the following : Stem hair and root hair
Distinguish between the following : Stem hair and root hair
In monocotyledons, they do not form secondary phloem and xylem why?
In monocotyledons, they do not form secondary phloem and xylem why?
The cells without nuclei are present in
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Write a note on the Vascular Tissue System.
Write a note on the Vascular Tissue System.