Question : Which of the following weeds has been found useful to check water pollution caused by industrial affluents?
Option 1: Parthenium
Option 2: Elephant grass
Option 3: Water hyacinth
Option 4: Both (1) and (2) above
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Correct Answer: Water hyacinth
Solution : The correct option is - Water hyacinth.
Water hyacinth is a perennial free-floating aquatic plant that scavenges organic and inorganic water contaminants and grows rapidly. The plant can clean up to 40% of contaminated water. Waste water from dairy facilities, tanneries, sugar mills, pulp and paper manufacturers, distilleries, palm oil mills, etc. is treated using water hyacinth.
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Question : Which one among the following industries is the maximum consumer of water in India ?
Question : Arsenic problem in India is primarialy due to
Question : What is the priority zone of the AMRUT (Atal Mission for Rejuvenation and Urban Transformation) mission, which was launched by the Government of India in 2015?
Question : Which of the following can be found as pollutants in the drinking water in some parts of India?
select the correct answer using the code given below?
A] Arsenic
B] Sorbitol
C] Fluoride
D] Formaldehyde
E]
Question : The waste water management technique that involves the use of micro - organisms to remove or neutralize pollutants from contaminated site is called:
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