Which among the following statements are correct?

Diseases caused by pathogens are infectious.

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Infectious diseases can be communicable.

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Diseases caused by pathogens are non-infectious.

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Infectious diseases can be non-communicable.

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Solution

The correct options are
A Diseases caused by pathogens are infectious.
B Infectious diseases can be communicable.
D Infectious diseases can be non-communicable.
Infectious diseases are those which are caused by pathogenic microorganisms like virus, bacteria, fungi, and protozoa. These diseases can be communicable or non-communicable. They are transmitted by animals, humans or insects. On the other hand, non-infectious diseases are generally caused due to internal factors, genetic abnormalities, etc.

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Non-infectious diseases are not caused by pathogens.

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