Previous year question paper for EVS (B-TECH electronics and communication engineering 6th)

Environmental science

Previous year question paper with solutions for Environmental science from 2005 to 2014

Our website provides solved previous year question paper for Environmental science from 2005 to 2014. Doing preparation from the previous year question paper helps you to get good marks in exams. From our EVS question paper bank, students can download solved previous year question paper. The solutions to these previous year question paper are very easy to understand.

Unit 1 : The Multidisciplinary nature of environmental studies

Definition, scope and importance

(2 Lectures)

Need for public awareness.

Unit 2 : Natural Resources :

Renewable and non-renewable resources :

Natural resources and associated problems.

a) Forest resources : Use and over-exploitation, deforestation, case studies. Timber

extraction, mining, dams and their effects on forests and tribal people.

b) Water resources : Use and over-Utilization of surface and ground water, floods,

drought, conflicts and water, dams-benefits and problems.

c) Mineral resources : Use and exploitation, environmental effects of extracting and

using mineral resources, case studies.

d) Food resources : World food problems, changes caused by agriculture and

overgrazing, effects of modern agriculture, fertilizer-pesticide problems, water

logging, salinity, case studies.

e) Energy resources : Growing energy needs, renewable and non renewable energy

sources, use of alternate energy sources. Case studies.

f) Land resources : Land as a resource, land degradation, man induced landslides, soil

erosion and desertification.

• Role of an individual in conservation of natural resources.

• Equitable use of resources for sustainable lifestyles.

 

Unit 3 : Ecosystems

• Concept of an ecosystem. 

• Structure and function of an ecosystem.

• Producers, consumers and decomposers.

• Energy flow in the ecosystem.

• Ecological succession.

• Food chains, food webs and ecological pyramids.

• Introduction, types, characteristic features, structure and function of the following ecosystem :-

a. Forest ecosystem

b. Grassland ecosystem

c. Desert ecosystem

d. Aquatic ecosystems (ponds, streams, lakes, rivers, oceans, estuaries)

(6 lectures)

Unit 4 : Biodiversity and its conservation

• Introduction – Definition : genetic, species and ecosystem diversity.

• Biogeographical classification of India

• Value of biodiversity : consumptive use, productive use, social, ethical, aesthetic and option

values

• Biodiversity at global, National and local levels.

• India as a mega-diversity nation

• Hot-spots of biodiversity.

• Threats to biodiversity : habitat loass, poaching of wildlife, man-wildlife conflicts.

• Endangered and endemic species of India

• Conservation of biodiversity : In-situ conservation of biodiversity. 

Unit 5 : Environmental Pollution

Definition

• Causes, effects and control measures of :-

a. Air pollution

b. Water pollution

c. Soil pollution

d. Marine pollution

e. Noise pollution

f. Thermal pollution

g. Nuclear hazards

• Solid waste Management : Causes, effects and control measures of urban and industrial

wastes.

• Role of an individual in prevention of pollution.

• Pollution case studies.

• Disaster management : floods, earthquake, cyclone and landslides.

(8 lectures)

Unit 6 : Social Issues and the Environment

• From Unsustainable to Sustainable development

• Urban problems related to energy

• Water conservation, rain water harvesting, watershed management

• Resettlement and rahabilitation of people ; its problems and concerns. Case studies.

• Environmental ethics : Issues and possible solutions.

• Climate change, global warming, acid rain, ozone layer depletion, nuclear accidents and

holocaust. Case studies.

• Wasteland reclamation.

• Consumerism and waste products.

• Environment Protection Act.

• Air (Preventation and Control of Pollution) Act.

• Water (Prevention and control of Pollution) Act 

• Wildlife Protection Act

• Forest Conservation Act

• Issues involved in enforcement of environmental legislation.

• Public awareness.

(7 lectures)

Unit 7 : Human Population and the Environment

• Population growth, variation among nations.

• Population explosion – Family Welfare Programme.

• Environment and human health.

• Human Rights.

• Value Education.

• HIV / AIDS

• Women and Child Welfare.

• Role of Information Technology in Environment and human health.

• Case Studies.

Unit 8 : Field work

• Visit to a local area to document environmental and river forest grassland hill mountain.

• Visit to a local polluted site – Urban / Rural / Industrial / Agricultural

• Study of common plants, insects, birds.

• Study of simple ecosystems-pond, river, hill slopes, etc. (Field work Equal to 5 lecture hours) 

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