List-I | List-II |
(a) Cellular barrier | (i) Interferons |
(b) Cytokine barrier | (ii) Mucus |
(c) Physical barrier | (iii) Neutrophils |
(d) Physiological barrier | (iv) HCI in gastric juice |
(a) | (b) | (c) | (d) | |
1. | (ii) | (iii) | (iv) | (i) |
2. | (ii) | (iii) | (i) | (iv) |
3. | (iii) | (iv) | (ii) | (i) |
4. | (iii) | (i) | (ii) | (iv) |
MALT constitutes about __________percent of the lymphoid tissue in human body.
1. | 50% | 2. | 20% |
3. | 70% | 4. | 10% |