Question

Name a human disease, its causal organism , symptoms *(any three) and vector spread by intake of water and food contaminated by human faecal matter.


class 12th CBSE Biology sample paper

Answer 1

Disease name :Amoebiasis
Causal organism : protozoa
Symptoms :Constipation, abdominal pain, stools with excess
Mucus vector : Houseflies

Answer 2

Amoebiasis is a disease spread by intake of water and food contaminated by human faecal matter. Amoebiasis, also known amoebic dysentery.

Amoebiasis is caused by Entamoeba Histolytica.

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symptoms of amoebic dysentery are:

1)abdominal pain

2)constipation with cramps

3)faeces with excess mucus

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Vector carrier or vector of pathogen is house fly