Environmental
Practice Environmental MCQs from the Science syllabus.
Which of the following is a primary source of Nitrous Oxide (N2O) emissions?
Which phenomenon causes the warming of the central and eastern tropical Pacific Ocean?
What is the pH level typically associated with acid rain?
Which of these describes the 'Positive Feedback Loop' in the context of melting Arctic ice?
What is the main chemical reaction by which CFCs destroy ozone?
What is the primary cause of 'Thermal Expansion' in oceans?
Which wavelength of light is primarily trapped by greenhouse gases?
In Nepal, what is the most significant threat of climate change in the Himalayan region?
Which of the following gases has the longest atmospheric lifetime?
What happens to the concentration of Oxygen as we go higher into the atmosphere?
Which type of radiation is blocked by a healthy ozone layer?
What is the term for the movement of carbon between the atmosphere, oceans, and living organisms?
Which international agreement aims to keep global warming well below 2 degrees Celsius?
What is the main driver of the 'Thermohaline Circulation' in the oceans?