Question

20. Read the following and answer any four questions from 20 (1) 10 20 (v).
Like all other organisms in all plants, cells of similar origin are grouped together to
perform some specific functions. Such a group of cell is called tissue. Each tissue,
has a specific, function to perform but at the same time different type of tissues of a
plant function in coordination with one another plant tissues are of two main types
meristematic and permanent
20. (i) Mohit was asked to draw a diagram of sclerenchyma as seen in longitudinal section
and labelit. His figure is as shown. Find out the mistake he has made in the diagram
Lumen
Simple pit pair
Ligned thick wall
(a) The pit pair is bordered not simple
(b) The cell walls are not lignified in sclerenchyma
(c) The nucleus and cytoplasm are not shown
(d) It is a transverse section and not the longitudinal section
20. (ii) A long tree has several branches. The tissue that helps in the side ways conduction of
water in the branches is
(a) collenchyrna
(b) xylem parenchyma
(c) parenchyma
(d) xylem vessels​

Answer 1

Answer:

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