Biology
Define the terms infection, pathogen, incubation period and allergen.
Diseases
55 Likes
Answer
Infection — The transmission of diseases from one person to another is called infection.
Pathogen — A pathogen is a disease-causing micro-organism.
Incubation period — Incubation period is the period between the entry of germs and appearance of the first symptoms of the disease. All infectious diseases have a certain incubation period.
Allergen — An antigenic substance capable of producing immediate hypersensitivity allergy is called an allergen.
Answered By
38 Likes
Related Questions
Distinguish between Pathogen and Vector.
Write five important preventive measures advised by WHO to minimise the chances of getting COVID-19.
The diagram given below represents a kind of microorganism. Study the same and answer the following questions:
(a) Identify the microorganism.
(b) To which category of microorganisms does it belong ?
(c) Label the guidelines 1, 2 and 3.
(d) Does it cause any disease? If yes, name the disease.
(e) Mention two ways by which it can be transmitted from one person to another.
The figure shown below represents an animal. Answer the following questions.
(a) Identify and name the animal.
(b) Write the phylum to which it belongs.
(c) Name the disease caused by this animal.
(d) Write its scientific name.
(e) Mention two common hosts (animals) for this parasite.