Q. No.The secretion of glands which pour them directly into fluid bathing gland without the aid of any duct is called as :
(1) Mucus
(2) Saliva
(3) Hormone
(4) Sebum
Epithelium consisting of more than one layer stacked one over the another is :
(1) Columnar
(2) Cuboidal
(3) Compound
(4) Both (1) and (3)
Which of the following statement is incorrect regarding the epithelium made of more than one layer of cells ?
(1) Cover moist surface of buccal cavity
(2) Lines inner surface of ducts of salivary glands
(3) They cover the dry surface of skin
(4) Their major role is secretion and absorption
Which among the following is not the function of gap junction ?
(1) Rapid transfer of ions.
(2) To stop leakage across a tissue.
(3) Connects cytoplasm of adjacent cells.
(4) Facilitate communication between adjacent cells.
Functions of 1, 2, 3, 4 and 5 respectively is:
|
|
Cell |
|
Function |
|
1 |
Squamous epithelium |
I |
Help to stop substances from leaking across a tissue. |
|
2 |
Cuboidal epithelium |
II |
Move particles or mucus in a specific direction over the epithelium. |
|
3 |
Ciliated epithelium |
III |
Allow rapid transfer of ions, small molecules and sometimes big molecules. |
|
4 |
Tight junctions |
IV |
Perform function of cementing to keep neighbouring cells together. |
|
5 |
Adhering junctions |
V |
They form diffusion boundary. |
|
6 |
Gap junctions |
VI |
Secretion and absorption in glandular ducts and nephrons. |
(1) I, II, V, III, IV, VI
(2) V, VI, II, I, IV, III
(3) II, VI, V, I, III, II
(4) VI, III, IV, II, I, V
Which among the following is incorrect regarding connective tissue ?
(1) They are named so because they link and support other tissues of the body.
(2) They are most abundant tissue in the body of complex animals.
(3) Adipose tissue is a type of dense connective tissue.
(4) All connective tissues except blood secrete collagen or elastin.
Which type of tissue cells secrete fibres of structural proteins called collagen or elastin ?
(1) Loose connective tissue
(2) All connective tissues
(3) Blood
(4) All connective tissues except blood
Strength, elasticity and flexibility to tissues is provided by the fibres of :
(1) Elastin
(2) Adipose tissue
(3) Elastin and collagen
(4) Areolar tissue
Modified polysaccharides in between cells which act as matrix are secreted by :
(1) Blood cells
(2) Elastin
(3) Mast cells of areolar tissue
(4) All connective tissues except blood
Which of the following statement is incorrect regarding areolar tissue?
(1) It serves as a supporting framework for epithelium.
(2) The cells and fibres are loosely arranged in a semi-fluid ground substance.
(3) The collagen fibres are present in rows between many parallel bundles of fibres.
(4) Mast cells, fibroblasts and macrophages are its components.
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