Biology
Answer
(a) Infection — The transmission of diseases from one person to another is called infection.
(b) Pathogen — A pathogen is a disease-causing micro-organism.
(c) Incubation — 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.
(d) Disease — Disease is a departure from normal health through structural or functional disorder of the body.
(e) Vaccine — Vaccine is a biological formulation that consist of dead or weakened disease causing organism that provides active acquired immunity to a particular infectious disease.
Related Questions
The first pair indicates the kind of relationship that exists between the first two terms. Rewrite and complete the second pair on a similar basis:
(a) April 7 : World health day :: December 1 : ……………
(b) Malaria: Plasmodium :: Filariasis : ……………
(c) Hepatitis: Liver :: Tuberculosis : ……………
(d) Mumps: Viral disease :: Typhoid : ……………
(e) Covid- 19: Pandemic :: Yellow fever : ……………
Choose the odd one out and write the category for the remaining terms:
(a) Cholera, Typhoid, Malaria, Tuberculosis
(b) Hepatitis, Ascariasis, Chicken pox, Poliomyelitis
(c) Elephantiasis, Ascariasis, Taeniasis, Hepatitis
(d) Depression, Beri-beri, Scurvy, Night-blindness
(e) Malaria, Amoebiasis, Sleeping sickness, Cataract
Write the scientific names of the causative organisms for the following, diseases :
(a) Cholera
(b) Typhoid
(c) Tuberculosis
(d) Taeniasis
(e) Filariasis
Name the causative germ of AIDS. How is this disease transmitted?