a. | All parasites are pathogens as they cause harm to the host. |
b. | Pathogens have to adapt to life within the environment of the host. |
c. | Pathogen of dysentery lives in the gut of host organism. |
d. | Pathogens can enter human body by various means causing functional damage but do not interferes with normal vital activities. |
(a) | Hippocrates considered health as a state of body and mind where there was a balance of certain ‘humors’. |
(b) | Willian Harvey proved the ‘good humor’ hypothesis of health by using an experimental method and the demonstration of normal body temperature in persons with blackbile. |
(c) | Earlier, it was thought that persons with ‘blackbile’ belonged to hot personality and would have fevers. |
Match the disease in column-I with the appropriate items (pathogen/prevention/treatment) in column-II.
Column I | Column II | ||
A. | Amoebiasis | 1. | Treponema pallidum |
B. | Diphtheria | 2. | Use only sterilized food and water |
C. | Cholera | 3. | DPT vaccine |
D. | Syphilis | 4. | Use oral rehydration therapy |
1. A-1 B-2 C-3 D-4
2. A-2 B-4 C-1 D-3
3. A-2 B-1 C-3 D-4
4. A-2 B-3 C-4 D-1