Tissue Class 9

Q1) The branch of Biology that deals with the study of tissue is called :-

Q2) The flexibility in plants is due to a tissue called :-

Q3) In hydrophytic plants , what provides buoyancy ?

Q4) The cells of cork are dead and have ______ in their walls that makes them impervious to gases and water.

Q5) The dead cells of Sclerenchyma posess a water-proof material called :-

Q6) Determing the age of a tree, by counting the number of annual rings is called :-

Q7) Which of these is not a function of epithelial tissue :-

Q8) The size of the stem increases in the width due to the presence of :-

Q9) Which type of Epithelial cells help in the movement of solid particles (eg. mucus), through a rythmic, concerted beating of the thread-like structures in its outer lining ?

Q10) What is the white and yellow fibres of the Areolar connective tissue made of ?