Assertion(A): MALT constitutes about 50% of the lymphoid tissue in human body.
Reason(R): Lymphoid tissue is located within the lining of the major tracts like respiratory, digestive and urinogenital tract.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.