Which of the following is true for a pathogen?

Disease causing microorganism

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External agent

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Infects and multiplies within the host

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All of the above

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Solution

The correct option is D All of the above
A pathogen is a microorganism capable of causing disease. It infects a multicellular organism and multiplies within it. Since it is not present within the organism that it infects, but is an outsider, it is called an external agent.

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Which of the following is true for a pathogen?

The correct option is D All of the aboveA pathogen is a microorganism capable of causing disease. It infects a multicellular organism and multiplies within it. Since it is not present within the organism that it infects, but is an outsider, it is called an external agent.

The correct option is D All of the above
A pathogen is a microorganism capable of causing disease. It infects a multicellular organism and multiplies within it. Since it is not present within the organism that it infects, but is an outsider, it is called an external agent.