MALT constitutes about ___________ percent of the lymphoid tissue in human body.
Answer: (A) 50%. Answer: (A) 50% Solution: NCERT directly states that the mucosa-associated lymphoid tissue (MALT), located within the lining of the major (respiratory, digestive and urogenital) tracts, constitutes about 50 per cent of the lymphoid tissue in the human body.
- A.50%✓
- B.20%
- C.70%
- D.10%
Correct Answer
(A) 50%
Solution & Explanation
Answer: (A) 50% Solution: NCERT directly states that the mucosa-associated lymphoid tissue (MALT), located within the lining of the major (respiratory, digestive and urogenital) tracts, constitutes about 50 per cent of the lymphoid tissue in the human body. Why not the others: The values 20%, 70% and 10% are not given by NCERT; the only figure stated for MALT is about 50%. NCERT Reference: NCERT Ch7, p.138, lines 27-30: "mucosa-associated lymphoid tissue (MALT). It constitutes about 50 per cent of the lymphoid tissue in human body"