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SMT.SULOCHANDEVI SINGHANIA SCHOOL, THANE Class 10 Subject EVS Exam Prelim II Date 31.01.201 7 Marks 80 Time 2 hrs No.of sides 2 SECTION A [40 MARKS] Attempt all questions from this Section Question 1. a. b. c. d. e. How is the use of CNG beneficial? Mention any two salient features of Rio Earth Summit of June 1992. State two disadvantages of dam constructions. What is wildlife management? Name two fuels produced from biomass. [2] [2] [2] [2] [2] Question 2. a. What is reforestation? [2] b. State the difference between the core zone and buffer zone of a Tiger reserve. [2] c. Mention one cause and one effect of indoor pollution. [2] d. List two reasons leading to the decrease in the level of water table. [2] e. Grazing is going to be a complex pattern Justify the statement giving two reasons. [2] Question 3. a. b. c. d. What is demographic transition? [2] Enlist the measures that strengthen rural urban linkage. [2] How is tillage farming beneficial to the crops? [2] Mention one point of difference between renewable and non-renewable form of energy. [2] e. What are extinct species? Give one reason for their extinction. [2] Question 4. a. Write short note on Ramsar Convention on Wetlands. b. Mention any two important functions of a NGO in environmental protection. c. List the main objectives of MAB? d. What are the advantages of incineration? e. State the effect of acid rain on the environment. [2] [2] [2] [2] [2] SECTION B [40 MARKS] Answer any four questions from this Section Question 5. a. Remote sensing satellites have played an important role in collecting information over the past few decades. Suggest five reasons for the popularity of this form of technology. [5] b. The Earth Summit recently organized was not successful in its objectives. Briefly explain the conflict between the developed and developing nations in context to above statement. [5] Question 6. a. What is Integrated Pest Management? State its importance to agriculture. b. Distinguish between National Parks and Wildlife Sanctuaries. [5] [5] Question 7. a. Describe five ways by which the Public transport system can help to preserve the environment. [5] b. Briefly explain the Silvicultural system. [5] Question 8. a. Explain the role of Biotechnology in achieving global food security. b. What is biodiversity? Explain the reasons for the loss of Biodiversity. [5] [5] Question 9. a. Explain the ecological significance of coastal ecosystem. b. What is Inter cropping? Explain its advantages. [5] [5] Question 10. a. What is Trickle Drip Irrigation? State its advantages and disadvantages. b. What is Social mobilization? Mention its features. [5] [5]
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