Which of the following tissue constitutes about 50 % of the lymphoid tissue in human body? (a) Spleen (b) Mucosa associated lymphoid tissue (c) Lymph nodes (d) None of these
Option B. Explanation:- MALT ( Mucosa associated lymphoid tissue ) constitute about 50% of the lymphoid tissue in human body. They are located mainly in the lining of the major tract i.e. Respiratory, digestive and urogenital tract.