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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.
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NCERT FINGERTIPS-ENVIRONMENTAL ISSUES-Environmental Issues
  1. Given below are four statements each with two blanks. Select the optio...

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  2. Escherichia coli is used as an indicator organism to determine polluti...

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  3. Contamination of water sewage is indicated by cysts of

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  4. Phosphate pollution is brought about by

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  5. Match column I with column II and select the correct option from the g...

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  6. Minamata disease was caused due to the consumption of

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  7. A disease caused by eating fish contaminated by industrial waste, cont...

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  8. Fluride pollution initially affects

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  9. A dental disease characterised by mottling of teeth is due to the pres...

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  10. DDT residues are rapidly passed through food chain causing biomagnific...

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  11. Given figure represents biomagnification of DDT in an aquatic food cha...

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  12. Which of the following statements is not correct regarding biomagnific...

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  13. Which among the following is likely to have the highest levels of DDT ...

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  14. Accelerated eutrophication occurs due to

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  15. High concentration of nutrients especially nitrates and phosphates in ...

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  16. Which of the following statements regarding eutrophication are correct...

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  17. Which of the following statements is correct ?

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  18. Match column I with column II and select the correct option from the g...

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  19. Match column I with column II and select the correct option from the g...

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  20. Some statements are given below each with one or two blanks. Select th...

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