हिंदी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Ganga has recently been declared the national river. Discuss the implication with respect to pollution of this river.

Advertisements
Advertisements

प्रश्न

Ganga has recently been declared the national river. Discuss the implication with respect to pollution of this river.

दीर्घउत्तर
Advertisements

उत्तर

The Ganga is the largest river in India with an extraordinary religious ‘ importance for Hindus. Situated along its banks are some of the world’s oldest inhabited cities like Varanasi and Patna. It provides water to about 40% of India’s population across 11 states, serving an estimated population of 500 million people or more, which is larger than any other river in the world.

A number of initiatives have been undertaken to clean the river but failed to deliver desired results. After getting elected, India’s Prime minister Narendra Modi affirmed to work for cleaning the river and controlling pollution. Subsequently, Namami Ganga project was announced by the Government in July 2014 budget. An estimated Rs 2,958 crores have been spent till July 2016 in various efforts to clean up the river.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 10: Microbes in Human Welfare - LONG ANSWER [पृष्ठ ७४]

APPEARS IN

एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 12
अध्याय 10 Microbes in Human Welfare
LONG ANSWER | Q 2.(b) | पृष्ठ ७४

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

Explain the function of “anaerobic sludge digester” in a sewage treatment plant.


Three water samples namely river water, untreated sewage water and secondary effluent discharged from a sewage treatment plant were subjected to BOD test. The samples were labelled A, B and C; but the laboratory attendant did not note which was which. The BOD values of the three samples A, B and C were recorded as 20 mg/L, 8 mg/L and 400 mg/L, respectively. Which sample of the water is most polluted? Can you assign the correct label to each, assuming the river water is relatively clean?


Removal of large pieces of floating debris, oily substances, etc. during sewage treatment is called _______________.


Which of the following occurs during tertiary treatment?


In the process of biogas production which of the following anaerobic bacteria are used?


Into which of the following the sewage water is pumped after preliminary treatment?


What happens during the course of sewage decomposition?


Study the following statements regarding tertiary treatment of sewage and choose the correct option.

i. It produces methane gas.

ii. The effluents formed from these plants undergo chlorination.

iii. BOD is significantly increased at this step.

iv. It includes screening and passage of effluent through grit chamber.


After which of the following treatment BOD of the effluent is significantly reduced?


Which of the following process is a part of preliminary treatment of sewage?


Nitrogen fixation by organisms requires conditions that are:


During sewage, treatment biogas is produced wits which include:


Name the states involved in Ganga action plan.


Explain the steps involved in preliminary treatment of sewage.


What is the major component of municipal wastewater (sewage)?


What happens to the polluting potential of wastewater as its Biochemical Oxygen Demand (BOD) increases?


Which mixture of gases is collectively produced as biogas during anaerobic sludge digestion?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×