In hydrophytic plants , what provides buoyancy ?
The branch of Biology that deals with the study of tissue is called :-
The cells of cork are dead and have ______ in their walls that makes them impervious to gases and water.
The dead cells of Sclerenchyma posess a water-proof material called :-
The matrix of cartilage has a delicate network of collagen fibres and _______ :-
A. Elastin fibres
Heart and intestinal muscles are :-
A. Non-smooth muscles
B. Voluntary muscles
C. Non-striated muscles
D. Striated muscles
What is the branch of medicine devoted to the study of blood ?
Determing the age of a tree, by counting the number of annual rings is called :-
If a person has a dislocated bone , what could be the possible reason for it ?
B. Tendon slip
C. Ligament tear
The size of the stem increases in the width due to the presence of :-
A. Intercalary meristems
B. Lateral meristems
C. Apical meristems
D. Primary meristems
The flexibility in plants is due to a tissue called :-
What is the white and yellow fibres of the Areolar connective tissue made of ?
A. Elastin , Collagen
B. Pectin , Matrix
C. Collagen , Elastin
D. Lignin , Cutin
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 ?
A. Squamous epithelial tissue
B. Cuboidal epithelial tissue
C. Columnar epithelial tissue
D. Ciliated epithelial tissue
Which of these is not a function of epithelial tissue :-
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