Match List-I with List-II
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
Choose the correct answer from the options given below:
(a) (b) (c) (d)
1. (ii) (iii) (iv) (i)
2. (ii) (iii) (i) (iv)
3. (iii) (iv) (ii) (i)
4. (iii) (i) (ii) (iv)
Subtopic:  Human Immune System |
 88%
Level 1: 80%+
NEET - 2022
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MALT constitutes about __________percent of the lymphoid tissue in human body.

1. 50% 2. 20%
3. 70% 4. 10%
Subtopic:  Human Immune System |
 90%
Level 1: 80%+
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