Environmental
Practice Environmental MCQs from the Science syllabus.
How does volcanic ash affect climate in the short term?
Which of the following is a 'proxy' indicator used by scientists to study past climates?
What is the unit used to measure the concentration of Ozone in the atmosphere?
Which gas has the highest concentration in the atmosphere after Nitrogen and Oxygen?
Which of the following is a direct consequence of ocean acidification?
What is the main reason why the 'hole' in the ozone layer is mostly over Antarctica?
How do aerosols generally affect the Earth's energy balance?
Which of the following describes the relationship between CO2 concentration and global temperature?
According to the Stefan-Boltzmann law, the total energy radiated per unit surface area of a black body is proportional to which power of its absolute temperature?
Which of the following molecules has the highest Global Warming Potential (GWP) per molecule over a 100-year horizon?
The 'Keeling Curve' represents the measurement of which gas in the atmosphere?
Which carbon isotope is preferred by plants during photosynthesis, often used by scientists to track fossil fuel emissions?
What is the 'Precession' component of the Milankovitch cycles?
Which of the following is a 'negative feedback' mechanism in the climate system?
What is the chemical formula for the ozone-depleting substance commonly known as Freon-12?