Entamoeba Histolytica

Question 1

Entamoeba histolytica

Answer 1

Protozoan disease
Amoebic dysentery or amoebiasis
Affects the large intestine
Excess mucous and blood clots with the passage of stool, constipation
Drinking water and contaminated food
Housefly and cockroach act as mechanical carrier

Question 2

Infective stage of entamoeba to human

Answer 2

Matured Quadinucleate cyst

Question 3

Life cycle

Answer 3

Trophizoite- cartwheel nucleus, engulfed RBC,
In the large intestine undergo binary fission and enters into lumen of large intestine and develop a cyst around themselves to survive in adverse conditions. Binucleate cyst is formed and then the matured tetra nucleate cyst (infective) stage is formed . Ex-cystation
Meta cyst produces 8 daughter cells

Question 4

Mono genetic

Answer 4

Whole life cycle in one host

Question 5

Mechanical carrier

Answer 5

Cockroach and housefly