Q1 of 386 Page 163

Cuboidal : Epithelial :: Cardiac : .............

(a) nervous (b) connective


(c) epithelia (d) muscular

Cardiac muscles are exclusively found in the heart and show rhythmic contraction and relaxation throughout life.

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(a) Identify figures A and B.


(b) Label X, Y and Z.


(c) Which one act as impulse booster?


(d) Which one is under control our will?

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(a) Identify the figure

(b) Label W, X, Y and Z


(c) What is chemical composition of material of the figure


(d) What of the function of X?


 2

Cork cells are dead cells so ......have no ......spaces and the cell walls are heavily thickened by the deposition of .............

 1


Xylem consists of mainly dead elements.