A non-infectious unnatural and unusual reaction of a person to any substance or condition for which he is hypersensitive is termed as

A noninfectious unnatural and unusual reaction to a substance or condition is

A non-infectious, unnatural and unusual reaction to a substance/condtion is called

An_________is an unusual reaction to a particular substance.

For a reaction to be spontaneous at any temperature, the conditions are

For a reaction to be spontaneous at any temperature, the conditions are

This is an unusual hypersensitivity of the body tissues to certain substances.

A person shows strong unusual hypersensitive reaction when exposed to certain substance present in air. Mention the term used for these substances.

A person shows strong unusual hypersensitive reaction when exposed to certain substance present in air. Mention the term used for these substances.