NCERT Important Questions Class 9 Science biology Chapter 6
Important NCERT Extra Questions
Chapter 6 Tissues
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board
Give one example each of (a) Squamous epithelium; (b) Columnar epithelium.
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(a) Lung alveoli; (b) Alimentary canal.