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ScienceHard
Environmental
Pollution

Which of the following metals is associated with 'Blackfoot disease'?

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ScienceEasy
Environmental
Pollution

What is the pH level of 'Acid Soil'?

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ScienceMedium
Environmental
Pollution

Which of the following is used as a 'Primary Treatment' in sewage treatment plants?

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ScienceEasy
Environmental
Pollution

High noise levels can cause which of the following physiological effects?

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ScienceEasy
Environmental
Pollution

Which of the following acts as a natural 'sink' for Carbon Dioxide?

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ScienceMedium
Environmental
Pollution

What is the main chemical component of 'Oil Slick' on water?

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ScienceMedium
Environmental
Pollution

Which of the following is NOT a greenhouse gas?

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ScienceMedium
Environmental
Pollution

The destruction of the ozone layer is most intense over which region?

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ScienceMedium
Environmental
Pollution

Which of the following is a greenhouse gas released from paddy (rice) fields?

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ScienceEasy
Environmental
Pollution

What is the typical pH value of 'pure' water?

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ScienceEasy
Environmental
Pollution

Which of the following is a source of CFCs in the atmosphere?

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ScienceEasy
Environmental
Pollution

Incineration is the process of waste disposal that involves:

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ScienceHard
Environmental
Pollution

Which of the following pollutants is known to cause 'Global Dimming'?

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ScienceHard
Environmental
Pollution

What is the result of 'thermal pollution' on the metabolic rate of aquatic organisms?

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ScienceEasy
Environmental
Pollution

Which of the following is a major contributor to 'Air Pollution' in the Kathmandu Valley?

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ScienceHard
Environmental
Pollution

In the environment, 'BOD' is usually measured over a period of how many days?

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ScienceEasy
Biology
Ecology

What is the study of the relationship between living organisms and their environment called?

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ScienceEasy
Biology
Ecology

Which of the following is an abiotic component of an ecosystem?

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ScienceEasy
Biology
Ecology

Organisms that prepare their own food using sunlight are known as:

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ScienceEasy
Biology
Ecology

What is the primary source of energy for all living organisms on Earth?

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