Biology Practice: Pollution (Mock Test 2 - Water, Soil, and Noise Pollution)
1. The process by which a water body becomes overly enriched with nutrients, leading to excessive growth of algae, is:
2. Minamata disease in Japan was caused by the consumption of fish contaminated with:
3. The increase in the concentration of a toxic substance (like DDT) at successive trophic levels is called:
4. Which of the following is a major source of marine pollution?
5. "Noise" is technically defined as sound that is:
6. The unit used to measure the intensity of sound is:
7. Itai-Itai disease is caused by chronic poisoning of:
8. Which of the following can lead to soil pollution?
9. BOD (Biochemical Oxygen Demand) is an indicator of:
10. Permanent hearing loss can occur if a person is exposed to noise levels above:
11. Sewage treatment plants help in reducing water pollution by:
12. "Thermal Pollution" is caused by the release of ________ into water bodies.
13. Which of the following is a physical effect of noise pollution on humans?
14. Fly ash is a pollutant generated by:
15. The use of 'Lead-free petrol' helps in reducing the amount of lead in:
16. Non-ionizing radiation like UV rays can cause:
17. Which process is used to remove suspended particles from industrial smoke?
18. Soil erosion is accelerated by:
19. Radioactive pollution can cause which of the following long-term effects?
20. The logical outcome of 'Acid Rain' on aquatic life is:
