Home
Class 12
BIOLOGY
Contamination of water sewage is indicat...

Contamination of water sewage is indicated by cysts of

A

Escherichia

B

Entamoeba

C

Pseudomonas

D

Leishmania

Text Solution

Verified by Experts

The correct Answer is:
B
Contamination of water with sewage is indicated by cysts of Entamoeba histolytica. E. histolytica causes infection by ingestion of mature cysts from faecal contaminated water and causes amoebiasis in human.
Promotional Banner

Similar Questions

Explore conceptually related problems

Wilting of plants noticed under the condition of water scarcity is an indication of

Treatment of sewage involves

What are the various constituents of domestic sewage ? Discuss the effects sewage discharge on a river .

A lake with an inflow of domestic sewage rich in organic waste may result in

The amount of biodergradable organic matter in sewage water can be estimated by measuring

Assertion : Secondary treatement of sewage is also called biological treatment while primary treatment is called physical treatment. Reason : Primary sewage treatment depends only upon sedimentation properties of materials present in sewage and filtration.

A river with an inflow-of domestic sewage rich in organic-waste may result in:

Assertion : There is a sharp decline in dissolved oxygen downstream from the point of sewage discharge. Reason : Microoganisms ionvolved in biodegradation or organic matter in the receiving water body consume a lot of oxygen.