Target: 10 questions in 10 minutes

1. Which conditions will favour peat formation?

A Alkaline Wet
B Aerobic Dry
C Acidic Dry 
D Anaerobic Wet 

2. The anthropogenic greenhouse effect is caused by which of the following?

I. Fossil fuel combustion
II. Volcanic activity
III. Intensive agriculture
  • A. I only
  • B.  I and III only
  • C.  II and III only
  • D. I, II and III

Q3&4. The graph shows atmospheric carbon dioxide levels and temperature over time.

atmospheric carbon dioxide levels and temperature over time

 NOAA (Public domain)
3. How would this atmospheric carbon dioxide data have been obtained?
  • A. Direct measurement
  • B. Estimations based on historical data
  • C. Using air trapped in ice cores
  • D. Using water trapped in ice cores
4. What can be concluded from the graph above?
  • A. There is a positive correlation between carbon dioxide levels and temperature.
  • B. High carbon dioxide levels cause higher temperatures.
  • C. The Earth has never been hotter than it is currently.
  • D. There is a negative correlation between carbon dioxide and temperature.

5. Which of the following scenarios demonstrates positive feedback cycles that exacerbate global warming?

I. Methane release from melting permafrost
II. Afforestation increasing rates of photosynthesis 
III. Melting of ice and snow impacting reflection of solar radiation
IV. Forest fires
  • A. I and III only
  • B. I, II and IV only
  • C. I, III and IV only
  • D. II, III and IV only
6. Which of the following applies to the early breakout of landfast ice in the Antarctic and its impact on emperor penguins (Aptenodytes forsteri)?
  • A. Increased food availability
  • B. Improved breeding success
  • C. Loss of breeding grounds
  • D. Enhanced habitat stability

7. The image shows the process of upwelling.

the process of upwelling

  
If global warming reduces upwelling, what would be the initial consequence for ocean ecosystems?
  • A. Increase in primary production
  • B. Decrease in primary production
  • C. Loss of biodiversity
  • D. Increase in secondary production
8. What does the term "upslope range shift" refer to in the context of species' distribution and habitat?
  • A. The change of a species' range to higher elevations in response to environmental changes.
  • B. The movement of a species to lower elevations to avoid unfavourable conditions at higher altitudes.
  • C. The change in allele frequency in a population to better adapt to changing environments
  • D. The contraction of a species' habitat range to a smaller area within its historical distribution.

Q9&10. The image shows bleached coral.

biomagnification of mercury in a food chain

 Acropora at English Wikipedia
c.c. BY-SA 3.0
9. How does increased atmospheric carbon dioxide concentration contribute to the process above?
  • A. By increasing Zooxanthellae photosynthesis rate
  • B. By increasing water temperature
  • C. By reducing light penetration
  • D. By increasing water salinity
10. How does increasing ocean acidification affect the ability of corals to build and maintain their calcium carbonate skeletons?
  • A. Increased availability of carbonate ions promotes faster calcification in corals.
  • B. Higher levels of dissolved CO2 provide more carbon for coral photosynthesis and growth.
  • C. The decrease in pH and free carbonate ions makes it more difficult for corals to calcify.
  • D. Ocean acidification has no significant impact on the calcification process in corals.