Biology Practice: Waste Management (Mock Test 1 - Basic Concepts)
1. Any unusable or unwanted substance or material expelled from a system is called:
2. Wastes that can be broken down into simpler, harmless substances by microorganisms are called:
3. Which of the following is an example of non-biodegradable waste?
4. The "3 Rs" of waste management stand for:
5. "Composting" is a method primarily used to treat:
6. Low-lying areas used for the disposal of waste by burying it under layers of soil are called:
7. Which gas is a major byproduct of anaerobic decomposition in landfills?
8. The process of burning waste at very high temperatures in a furnace is known as:
9. Which of the following categories includes discarded mobile phones, computers, and batteries?
10. Using an empty jam jar to store spices is an example of which 'R'?
11. Segregation of waste means:
12. Biomedical waste (used bandages, syringes) should ideally be disposed of by:
13. Which of the following is a direct impact of open waste dumping?
14. Scrap metal can be melted and molded into new products. This process is:
15. The toxic liquid that seeps out from a landfill and can pollute soil is called:
16. Fly ash is a major waste product of which industry?
17. Which 'R' involves buying products with less packaging to minimize waste production?
18. The dark, organic substance formed after composting is called:
19. Heavy metals like Lead and Mercury are common in which type of waste?
20. What is the main goal of Waste Management?
