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Cancers arising from epithelial and glandular tissues, making up about 85% of tumours, are called:
ASarcomas
BLeukaemias
CCarcinomas
DBenign tumours
Answer & Solution
Correct answer: C. Carcinomas
1. Cancers are classified by the tissue of origin.
2. Carcinomas arise from epithelial and glandular tissues and form about 85% of tumours.
3. Sarcomas arise from connective and muscular tissue, and leukaemia is blood cancer, so A and B are traps.
4. Hence the answer is C.
_Source: Samacheer Kalvi (TN SCERT) Class 10 Science, Unit "Health and Diseases", p.316_
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