Environment Ecology and Biodiversity MCQ2 Test

1. Which of the following concepts can be used to study the rate of acceleration of the Universe? 1.Supernovae Explosions. 2.Dark Matter. 3.Dark Energy. 4.Black Holes.
1 & 3 only.
1 & 2 only.
2, 3 & 4 only.
1, 3 & 4 only.
2. Which of the following can be a trigger for Coral Bleaching? 1.Increase in ocean temperature. 2.Decrease in ocean temperature. 3.Decline in Zooplankton levels. 4.Changes in salinity. 5.Elevated sea levels due to global warming.
All except 2.
All except 2 & 4.
All except 5.
None of the above options are correct.
3. The Basel Convention on the Control of Trans boundary Movements of Hazardous Wastes and Their Disposal, usually known as the Basel Convention: 1.It is an international treaty that was designed to reduce the movements of hazardous wastes from developed to less developed countries. 2.It does not address the movement of radioactive waste.
1 only.
2 only.
Both.
None.
4. Which of the following statements are correct with regard to Red tide – a term used to describe Harmful Algal Blooms (HABs) in marine coastal areas. 1.These blooms are not associated with tides. 2.HABs tint the seawater to a reddish color. 3.Not all algal blooms are harmful, even those involving red discoloration.
1 & 3 only.
1 & 2 only.
2 & 3 only.
1, 2 & 3.
5. Which of the following statements is/are correct: 1.Ozone Depletion causes reduction in stratospheric and upper tropospheric temperatures. 2.Increase in Green House Gases causes reduction in stratospheric and upper tropospheric temperatures.
1 only.
2 only.
Both.
None.
Score =
Correct answers: