ISC Board Question Paper Environmental Education Class XII, 2009

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Environmental Education

ISC Board Question Paper 2009

(Science Group)

Class – XII

General Instruction:

(i). Section – A are compulsory.

(ii). Section – B are answer any five questions.

SECTION – A

Q1. (20 marks)

(i). What is ‘Captive breeding’? 1

(ii). Define a food chain. 1

(iii). Name a Biofertilizer that is essential for the healthy growth of a crop. 1

(iv). Name the NGO that is working in Andhra Pradesh to promote self sustenance in the region. 1

(v). Name a National Park in India aimed at protection of wild life. 1

(vi). Give an example of ‘Symbiosis’ in animals. 1

(vii). What is an ‘Ecomark’ scheme? 1

(viii). What are ‘Threatened Species’? 1

(ix). Mention any one legislation in India that is in force for managing the environment. 1

(x). State one application of Biodiversity in the field of medicine. 1

(xi). Define ‘Sustainable development’. 2

(xii). State any two economic value of biodiversity. 2

(xiii). Mention of the name of any two natural pest predators. 2

(xiv). State any two adverse effect of using chemical fertilizers. 2

(xv). Explain in brief the concept of a ‘Seed bank’ 2

SECTION – B (50 marks)

Q2. (i). What is ‘Biodiversity’? Discuss any three reasons for conserving biodiversity ? 5

(ii). ‘Loss of biodiversity disturbs the ecological balance on the planet.’ List any five implications of the loss of biodiversity. 5

Q3. (i). Explain the role of wildlife sanctuaries in conservation of biodiversity. 5

(ii).What is a ‘buffer zone’? Explain its role in mitigating the people – wildlife conflict. 5

Q4. (i). Discuss the various social aspects of environmental management. 5

(ii). Explain in brief the concept of sustainable consumption with suitable examples. 5

Q5. (i). What are the different aspect to be consider in providing a support base for sustainable development? Explain any two in detail. 5

(ii). Explain the role of skilled manpower in promoting a sustainable development highlighting the various fields where it is required. 5

Q6. (i). Explain the role of soil micro-organisms in maintaining the health of the soil. 5

(ii). State one reason adopting immediate measures for increasing soil fertility. Explain in detail any two method by which soil fertility can be improved. 5

Q7. (i). Explain the various threads associated with the use of modern methods of pest control in agriculture. 5

(ii). What is farmyard manure? Mention any three uses of farmyard manure. 5

Q8. (i). Explain the role of alternate technology in environmental management. 5

(ii). Highlight any two problems associated with movement of agriculture goods form the producers to the consumers. Suggest any three methods for solving those problems. 5

Q9. (i). What is mixed farming ? Mention any three advantages of mixed farming. 5

(ii). Explain the benefits of applying Integrated Post Management Practices an agricultural crops. 5

Q10. (i). Environment should be viewed as a capital rather than as a recourse. 5

(ii).Discuss the need for judicious use of chemical fertilizers. 5

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