Samacheer Kalvi 12th Economics – Chapter 10: Environmental Economics Book Back Answers
Samacheer Kalvi 12th Standard New Economics Book Back 1 Mark and 2 Mark Questions with Answers PDF uploaded and available below. Tamil Nadu Class 12 New Syllabus Economics Chapter 10 – Environmental Economics Book Back Solutions 2022 available for English medium students. TN Samacheer Kalvi 12th Std Economics Book Portion consists of 12 chapters. Check chapter-wise and Full Class 12th Economics Book Back Answers/ Guide 2022 PDF format for free download. 12th Economics Chapter 10 – Environmental Economics Book Back Answers below:
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English Medium 12th Samacheer Kalvi Economics Book Subject One Mark, Two Mark Guide questions and answers are available below. Take the printout and use it for exam purposes.
12th Economics – Chapter 10: Environmental Economics Book Back Answers
1. The term environment has been derived from the French word ________.
a. Environ b. Environs c. Environia d. Envir
2. The word biotic means environment ____________.
a. living b. non-living c. physical d. None of the above
3. Ecosystem is smallest unit of _________.
a. Ionosphere b. Lithosphere c. Biosphere d. Mesosphere
4. Who developed Material Balance Models?
a. Thomas and Picardy b. AlenKneese and R.V. Ayres c. Joan Robinson and J.M. Keynes
d. Joseph Stiglitz and Edward Chamberlin
5. Environmental goods are _________.
a. Market goods b. Non-market goods c. Both d. None of the above
6. In a pure public good, consumption is _________.
a. Rival b. Non-rival c. Both d. None of the above
7. One of the most important market failures is caused by _________.
a. Positive externalities b. Negative externalities c. Both d. None of the above
8. The common source of outdoor air pollution is caused by combustion processes from the following_________.
a. Heating and cooking b. Traditional stoves c. Motor vehicles d. All the above
9. The major contributor of Carbon monoxide is _________.
a. Automobiles b. Industrial process c. Stationary fuel combustion d. None of the above
10. Which one of the following causes of global warming?
a. Earth gravitation force b. Oxygen c. Centripetal force d. Increasing temperature
11. Which of the following is responsible for protecting humans from harmful ultraviolet rays?
a. UV-A b. UV-C c. Ozone layer d. None of the above
12. Global warming also refers to as
a. Ecological change b. Climate Change c. Atmosphere change d. None of the above
13. Which of the following is the anticipated effect of Global warming?
a. Rising sea levels b. Changing precipitation c. Expansion of deserts d. All of the above
14. The process of nutrient enrichment is termed as _________.
a. Eutrophication b. Limiting nutrients c. Enrichment d. Schistosomiasis
15. Primary cause of Soil pollution is _________.
a. Pest control measures b. Land reclamation c. Agricultural runoff d. Chemical fertilizer
16. Which of the following is main cause for deforestation?
a. Timber harvesting industry b. Natural afforestation c. Soil stabilization d. Climate stabilization
17. Electronic waste is commonly referred as _________.
a. solid waste b. composite waste c. e-waste d. hospital waste
18. Acid rain is one of the consequences of _________ Air pollution
a. Water Pollution b. Land pollution c. Noise pollution
19. Sustainable Development Goals and targets are to be achieved by _________.
a. 2020 b. 2025 c. 2030 d. 2050
20. Alkali soils are predominantly located in the _________ plains?
a. Indus-Ganga b. North-Indian c. Gangetic plains d. All the above
Other Important Links for 12th Samacheer Kalvi Book Back:
For Chapter 11 Economics of Development and Planning Book Back Click Here – Chapter 11 Economics of Development and Planning Book Back
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