Biology Practice: Pollution (Mock Test 5 - Ultimate Comprehensive Mastery)
1. The addition of harmful substances into the environment which causes damage to life and property is:
2. Which gas is known as the "Universal Pollutant" and a major contributor to global warming?
3. Acid rain is primarily a combination of which two acids?
4. The ozone layer acts as a shield protecting Earth from:
5. "Biological Magnification" implies that the highest concentration of toxins will be found in:
6. Eutrophication in a lake eventually leads to the death of fish due to the lack of:
7. Which gas is responsible for "Greenhouse Effect" and is released during the decay of organic matter in swamps?
8. The unit used to measure noise levels is:
9. Which of the following is a non-biodegradable waste?
10. 'Smog' is most commonly formed in cities during which season?
11. Which pollutant causes the 'Minamata' disease?
12. The increase in concentration of non-degradable pollutants at each trophic level is:
13. Which chemicals used in refrigerators are responsible for Ozone depletion?
14. Soil pollution is mainly caused by the excessive use of:
15. The 'Green Belt' around factories is planted to:
16. Which radioactive pollutant was released in the Chernobyl disaster?
17. 'BOD' stands for:
18. Oil spills in the sea can be cleared by using bacteria in a process called:
19. Which of the following is a physical effect of noise pollution?
20. The primary cause of the 'Greenhouse Effect' on Earth is the trapping of ________.