Question

State the causative micro-organisms and modes of transmission of the following human diseases :
(i) Tuberculosis
(ii) Measles
(iii) Chickenpox
(iv) Polio
(v) Cholera
(vi) Typhoid
(vii) Hepatitis B
(viii) Malaria
(ix) Dengue

Answer 1

Answer:

(i) bacteria. it is transmitted through air

(ii) virus. by cough or by sneeze

(iii) virus. when the healthy person get closed to the infected person.

(iv) virus. by stool of infected person.

(v) bacteria. by taking contominated food or water.

(iv) bacteria. by intake of contominated food or water.

(vii) virus.

(viii) protozoan. by mosquito.

(ix) virus. by mosquito.

Answer 2

Causative micro-organisms and modes of transmission

Explanation:

(i) Tuberculosis - caused by bacteria - transmitted through air.

(ii) Measles - caused by virus - transmitted by air.

(iii) Chickenpox - caused by virus - transmitted by contact.

(iv) Polio - caused by virus - transmitted by feces of infected person.

(v) Cholera - caused by bacteria - transmitted by contaminated food or water.

(vi) Typhoid - caused by bacteria - transmitted by contaminated food or water.

(vii) Hepatitis B - caused by virus - transmitted by blood, semen and body fluids.

(viii) Malaria - caused by protozoan - transmitted by mosquitoes

(ix) Dengue - caused by virus - transmitted by mosquitoes