Which river is not part of the Indian river system?

The ideal pH of drinking water should be:

Which parameter indicates the presence of organic pollutants in water?

Which technique helps conserve groundwater by collecting rooftop water?

Eutrophication is mainly caused by:

Which organization is responsible for water pollution control in India?

The permissible TDS in drinking water is:

Thermal pollution is associated with:

Drip irrigation is effective for:

Which of the following acts governs water pollution in India?

What is the process of adding chlorine to water called?

Which state pioneered rooftop rainwater harvesting?

What does BOD stand for?

Groundwater depletion is caused by:

Which of these is not a source of groundwater pollution?

Which method is not used for wastewater treatment?

Which form of water resource is most accessible to humans?

Which of the following is not a use of water?

Which cycle describes the movement of water through evaporation, precipitation, and runoff?

Which of the following is a major cause of water-borne diseases?

Cholera is caused by which microorganism?

What is the primary symptom of typhoid fever?

Which of the following water-borne diseases is caused by a virus?

What is the primary mode of prevention for water-borne diseases?

Dental fluorosis affects which part of the body?

The safe limit of fluoride in drinking water as per WHO is:

Which technique is commonly used for defluoridation in rural India?

Which of the following is NOT a symptom of skeletal fluorosis?

Guinea worm disease is caused by:

Which of these states is highly affected by fluoride contamination?

Which nutrient reduces fluoride absorption in the human body?

Which of the following water-borne diseases causes jaundice?

What is the main reason for water contamination in rural India?

Fluoride contamination occurs mainly due to:

Which method is widely used in households to remove fluoride?

What is the main source of fluoride in groundwater?

A disease caused by ingestion of contaminated water with Salmonella typhi is:

What color discoloration is typically seen in dental fluorosis?

One of the most effective public health measures for controlling water-borne diseases is:

Which of the following is a non-renewable source of energy?

What is the primary source of wind energy?

Which device is used to convert wind energy into electrical energy?

Hydrogen is considered a clean fuel because:

Which of the following is not an advantage of wind energy?

The most abundant element in the universe, used as an alternative fuel, is:

Which process is commonly used to produce hydrogen from water?

Which is not a limitation of hydrogen fuel?

What is the main environmental benefit of using hydrogen as fuel?

What is the average capacity factor of wind energy systems?

Which country is the global leader in wind energy production?

Wind energy is best harnessed in:

The main disadvantage of wind power is:

Which of the following energy types has the least environmental impact?

What is a common use of hydrogen fuel today?

Which form of energy does wind energy primarily convert?

What is a fuel cell?

What is the primary component of a wind turbine?

The biggest challenge in hydrogen fuel technology is:

Hydrogen can be obtained from: