Class 12 Biology - Chapter Human Health and Disease NCERT Solutions | How does the transmission of each of the
How does the transmission of each of the following diseases take place?
(a) Amoebiasis
(b) Malaria
(c) Ascariasis
(d) Pneumonia
|
|
Disease |
Causative organism |
Mode of transmission |
|
a. |
Amoebiasis |
Entamoeba histolytica |
It is a vector-borne disease that spreads by the means of contaminated food and water. The vector involved in the transmission of this disease is the housefly. |
|
b. |
Malaria |
Plasmodium sp. |
It is a vector-borne disease that spreads by the biting of the female Anopheles mosquito. |
|
c. |
Ascariasis |
Ascaris lumbricoides |
It spreads via contaminated food and water. |
|
d. |
Pneumonia |
Streptococcus pneumoniae |
It spreads by the sputum of an infected person. |
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