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Tissues — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceTissues3 Marks
Question
  1.  

  1.  

  1. Identify figures A and B.
  2. Which is called tesselated and payement epitheliurn?
  3. Which one lines the gastrointestinal tract and epiglottis?
  4. Which one allows diffusion of substances?
✓

Answer

  1. Figure A: squamous epithelium.

Figure B: columnar epithelium.

  1. Squamous epithelium is also known as tesselated epithelium or pavement epithelium.
  2. Simple columnar epithelium lines the gastrointestinal tract and epiglottis.
  3. Simple squamous epithelial cells are extremely thin and flat which allows diffusion of substances through it.

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