Explain the basic characteristics for the classification of permanent tissues in plants.
(N/A) $(1)$ Composition: Whether the tissue is made up of one type of cell (simple) or more than one type of cells (complex).
$(2)$ Function: Whether the tissue is supportive (parenchyma),protective (epidermis),or conducting (xylem and phloem).
$(3)$ Cell wall structure: Whether the cell wall is thick or thin.
$(4)$ Viability: Whether the cells are living or dead at maturity.
$(2)$ Function: Whether the tissue is supportive (parenchyma),protective (epidermis),or conducting (xylem and phloem).
$(3)$ Cell wall structure: Whether the cell wall is thick or thin.
$(4)$ Viability: Whether the cells are living or dead at maturity.
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$(i)$ Draw a diagram of the epidermis of a leaf showing the surface view and label the stomata,guard cells,and epidermal cells.
$(ii)$ Answer the following:
$(a)$ How is the epidermis of plants living in very dry habitats adapted?
$(b)$ Write the functions of guard cells of stomata in the leaf.
$(ii)$ Answer the following:
$(a)$ How is the epidermis of plants living in very dry habitats adapted?
$(b)$ Write the functions of guard cells of stomata in the leaf.
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$(a)$ Meristematic cells have a prominent nucleus and dense cytoplasm but they lack vacuoles.
$(b)$ Intercellular spaces are absent in sclerenchymatous tissues.
$(c)$ We get a crunchy and granular feeling when we chew pear fruit.
$(d)$ Branches of a tree move and bend freely in high wind velocity.
$(e)$ It is difficult to pull out the husk of a coconut.
$(a)$ Meristematic cells have a prominent nucleus and dense cytoplasm but they lack vacuoles.
$(b)$ Intercellular spaces are absent in sclerenchymatous tissues.
$(c)$ We get a crunchy and granular feeling when we chew pear fruit.
$(d)$ Branches of a tree move and bend freely in high wind velocity.
$(e)$ It is difficult to pull out the husk of a coconut.
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View SolutionThe girth of the stem or root increases due to
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