Question Bank
Search, filter, and explore every MCQ across all subjects and topics.
The increase in global temperature due to the greenhouse effect is known as:
Lichens are used as a biological indicator for which type of pollution?
Which of the following is NOT a major greenhouse gas?
The unit 'Dobson' is used to measure the thickness of:
Which of the following describes 'Biochemical Oxygen Demand' (BOD) best?
What is the effect of 'thermal inversion' on air pollution?
Which of the following is an example of 'point source' water pollution?
Groundwater contamination by arsenic is a major problem in which region of Nepal?
Which gas has the highest 'Global Warming Potential' (GWP) among the following?
Which heavy metal is most likely to be found in batteries and is highly toxic to soil?
Oil spills in the ocean are typically cleaned using which method?
According to Nepal's standards, what is the maximum permissible noise limit in a silent zone during the day?
Which of the following is an effect of acid rain on aquatic life?
What is 'leachate' in the context of environmental pollution?
The process of using worms to decompose organic waste into nutrient-rich compost is called:
Which gas is the main component of 'Biogas' produced from waste?