1. Aluminium has gained popularity as a substitute for which four metals in a number of industries?

2. To reduce particulate matter in the air, factories can fit smoke stacks with electrostatic precipitators, fabric filters, scrubbers, and:

3. Air pollution is caused by the presence of a high proportion of undesirable gases, such as sulphur dioxide and:

4. A major impact of the Information Technology and Electronics Industry has been on:

5. Which component of complex fertilizers is entirely imported by India because the country does not have any reserves of commercially usable compounds in any form?

6. Which city has emerged as the electronic capital of India?

7. Fly ash, phospho-gypsum, and iron and steel slags are categorized as major:

8. Which major power providing corporation in India is highlighted for its proactive approach to environmental preservation and holds ISO certification for EMS 14001?

9. The healthy growth of the Automobile Industry, including passenger cars, two and three-wheelers, was stimulated by:

10. Where and when was the first cement plant set-up in India?

11. According to the source, every litre of waste water discharged by industry pollutes how many times the quantity of fresh water?

12. Thermal pollution of water occurs when hot water from factories and thermal plants is drained into rivers and ponds before:

13. Primary treatment of industrial effluents is done by mechanical means involving:

14. Organic chemicals, including petrochemicals, are used for manufacturing synthetic fibers, plastics, dye-stuffs, and:

15. The continuing growth in which two sectors is the key to the success of the IT industry in India?

16. The electronics industry covers a wide range of products including transistor sets, television, telephones, radars, computers, and:

17. After which major development did the fertilizer industry expand to several parts of the country?

18. Name one major centre where automobiles (trucks, buses, cars, etc.) are manufactured in India:

19. Noise pollution can cause physiological effects such as hearing impairment and:

20. Organic chemical plants are generally located near:

21. Industries are responsible for four types of pollution. Which of the following is NOT one of those types listed?

22. The Cement Industry requires bulky and heavy raw materials such as limestone, gypsum, and:

23. Which inorganic chemical is used to manufacture glass, soaps and detergents, and paper?

24. Besides Bengaluru, Noida, Mumbai, Chennai, and Hyderabad, which other city is noted as a major industrial concentration for the electronics and IT industry?

25. Water pollution is caused by organic and inorganic industrial wastes discharged into rivers. Name two examples of heavy metals released by industries into water bodies: