Ncert Exercises & Solutions

Write the appropriate type of tissues in column II according to the functions mentioned in column I.

Column I

Column II

A. Secretion and absorption

B. Protective covering

C. Linking and supporting framework

1. ................

2. ................

3. ................

(a) Simple Columnar Epithelium This epithelium lines the stomach, intestine, gall bladder etc. It forms goustric and intestinal glands, where it has a secretory role and is called as glandular epithelium. In intestinal mucosa, this epithelium has microvilli which increase the absorptive surface area and is called brush bordered columnar epithelium.

(b) Stratified Epithelium These are made up of more than one layer of epithelial cells (also called compound epithelium). They are the only cells of the deepest layer and rest on the basement membrane they cover the surface where constant wear and tear take place. They mainly function as a protective epithelium.

(c) Connective Tissue It is the tissue which connects different tissues or organs and provides support to various structures of animal body. These tissues are mesodermal in origin and consist of living cells and extra cellular matrix, e.g., blood is a fluid or vascular connective tissue.

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