Question

1. Allergy is an example of (a) communicable disease (b) non-communicable disease c) both of them (d) none of them 2 Perennial allergy may occur (a) at any time of the year (b) only in summer months (c) only in winter months (d) according to the season 3. Chemicals that the immune cells release are called (a) histamines (b) antihistamines (c) secretions (d) fluids 4. Oarskin makes the (a) mechanical defence system (b) physical defence system (c) chemical defence system (d) environment defence system 5. Pollens, animal fur and house dust are the examples of (a) air-borne allergens (b) drug allergens (c) insect allergens (d) none of them 5​

Answer 1

Answer:

1. B)non-communicable Diseases

2. A) Any time of the year

3. A)Histamines

4.  D)enviornmtental defence

5. A) Airborne Allergens

Explanation: