Pathogen

Q.

Causal organism of any disease is called as_________.

Q.

How do pathogens cause disease?

Q. Disease causing organisms are called .

1. bacteria
2. protozoans
3. pathogens
4. viruses

Q.

The organisms which cause diseases in plants and animals are called:

1. Pathogens

2. Vectors

3. Insects

4. Worms

Q. Choose the most appropriate option:

1. All bacteria are pathogenic
2. All viruses are pathogenic
3. Some bacteria and all viruses are pathogenic
4. Both bacteria and viruses are non-pathogenic