Class 9 - Biology - Why Do We Fall Ill?
Worksheet
Fill in the banks with suitable word(s)
1. Pathogens causing diseases like common cold, influenza, dengue fever, AIDS are ________.
2. Pathogens causing diseases like typhoid, cholera, antrax, tuberculosis are _________.
3. Pathogens causing diseases like skin infections are __________.
4. Pathogens causing diseases like malaria, kala-azar are _________.