( PART : B DESCRIPTIVE )

Transcription

1 EVSC/IV/04 ( 2 ) ( 4th Semester ) ENVIRONMENTAL SCIENCE Paper : EVS 401 ( Environmental Monitoring and Control Technology ) Full Marks : 55 Time : 2½ hours ( PART : B DESCRIPTIVE ) ( Marks : 35 ) The figures in the margin indicate full marks for the questions 1. What are the compositions and characteristics of solid waste? Discuss the elements of waste management and current management practices. 3+4=7 Or Define biomedical wastes. Describe the strategies for biomedical waste management Give a detailed account of the monitoring technique of air pollution. 7 G16/268a ( Turn Over ) Or Give detailed accounts of the following instruments : 3½ 2=7 (a) Electrostatic precipitators (b) Scrubbers 3. Discuss in detail the physicochemical parameters for testing of water quality. 7 Or Write short notes on the following : 3½ 2=7 (a) Waste water treatment process (b) Conservation and management of water 4. Define composting. Discuss in detail the steps involved in composting. 2+5=7 Or Write short notes on the following : (a) Physical parameters of soil (b) Vermi-composting 3½ 2=7 5. Define environmental monitoring. Describe, in detail the biological monitoring programme. Add a note on bioindicators =7 Or Give detailed accounts of the following : 3½ 2=7 (a) Benefits of environmental monitoring (b) Phytoremediation G16 150/268a EVSC/IV/04

2 Subject Code : EVSC/IV/04 Booklet No. A To be filled in by the Candidate Date Stamp DEGREE 4th Semester (Arts / Science / Commerce / ) Exam., Subject... Paper... INSTRUCTIONS TO CANDIDATES 1. The Booklet No. of this script should be quoted in the answer script meant for descriptive type questions and vice versa. 2. This paper should be ANSWERED FIRST and submitted within 45 minutes of the commencement of the Examination. 3. While answering the questions of this booklet, any cutting, erasing, overwriting or furnishing more than one answer is prohibited. Any rough work, if required, should be done only on the main Answer Book. Instructions given in each question should be followed for answering that question only. To be filled in by the Candidate DEGREE 4th Semester (Arts / Science / Commerce /... ) Exam., 2016 Roll No.... Regn. No.... Subject... Paper... Descriptive Type Booklet No. B... Signature of Scrutiniser(s) Signature of Examiner(s) Signature of Invigilator(s) /268

3 EVSC/IV/ ( 4th Semester ) ENVIRONMENTAL SCIENCE Paper : EVS 401 ( Environmental Monitoring and Control Technology ) ( PART : A OBJECTIVE ) ( Marks : 20 ) The figures in the margin indicate full marks for the questions SECTION A ( Marks : 5 ) I. Put a Tick ( ) mark against the correct answer in the brackets provided : 1 5=5 1. Bioremedial waste is generated in (a) hospitals ( ) (b) municipalities ( ) (c) academic institutions ( ) (d) industries ( ) /268

4 ( 2 ) 2. The National Ambient Air Quality Standards in 2009 was notified by (a) Indian Institute of Technology (IIT), Kanpur ( ) (b) Central Pollution Control Board (CPCB) ( ) (c) World Health Organization (WHO) ( ) (d) Ministry of Environment and Forest (MOEF) ( ) 3. Water becomes more acidic, when the ph value (a) increases ( ) (b) decreases ( ) (c) neutral ( ) (d) None of the above ( ) EVSC/IV/04/268

5 ( 3 ) 4. The mass per unit volume of the soil is called (a) specific gravity ( ) (b) bulk density ( ) (c) water holding capacity ( ) (d) soil moisture content ( ) 5. The use of living organisms for removal of pollutant from biosphere is called (a) biodegradation ( ) (b) bioremediation ( ) (c) phytoremediation ( ) (d) bioaugmentation ( ) EVSC/IV/04/268

6 ( 4 ) SECTION B ( Marks : 15 ) II. Write short notes on the following : 3 5=15 1. Hazardous Waste Management EVSC/IV/04/268

7 ( 5 ) 2. Concentration of particulates and NO x in ambient air EVSC/IV/04/268

8 ( 6 ) 3. Purification process of drinking water EVSC/IV/04/268

9 ( 7 ) 4. Soil Organic Carbon EVSC/IV/04/268

10 ( 8 ) 5. Bioremediation G16 150/268 EVSC/IV/04

11 Subject Code : EVST/IV/A11 Booklet No. A To be filled in by the Candidate Date Stamp DEGREE 4th Semester (Arts / Science / Commerce / ) Exam., Subject... Paper... INSTRUCTIONS TO CANDIDATES 1. The Booklet No. of this script should be quoted in the answer script meant for descriptive type questions and vice versa. 2. This paper should be ANSWERED FIRST and submitted within 1 (one) Hour of the commencement of the Examination. 3. While answering the questions of this booklet, any cutting, erasing, overwriting or furnishing more than one answer is prohibited. Any rough work, if required, should be done only on the main Answer Book. Instructions given in each question should be followed for answering that question only. To be filled in by the Candidate DEGREE 4th Semester (Arts / Science / Commerce /... ) Exam., 2016 Roll No.... Regn. No.... Subject... Paper... Descriptive Type Booklet No. B... Signature of Scrutiniser(s) Signature of Examiner(s) Signature of Invigilator(s) /272

12 EVST/IV/A ( 4th Semester ) ENVIRONMENTAL STUDIES Paper : EVS I ( PART : A OBJECTIVE ) ( Marks : 25 ) The figures in the margin indicate full marks for the questions Answer all questions SECTION A ( Marks : 10 ) Tick ( ) the correct answer in the brackets provided : 1 10=10 1. In 1972, the UN Conference on Human Environment was held in (a) Rio de Janeiro ( ) (b) New Delhi ( ) (c) Johannesburg ( ) (d) Stockholm ( ) /272

13 ( 2 ) 2. The term ecosystem was coined and introduced by (a) R. Misra ( ) (b) E. P. Odum ( ) (c) Charles Darwin ( ) (d) A. G. Tansley ( ) 3. A food chain is usually (a) unbreakable ( ) (b) linear ( ) (c) circular ( ) (d) pyramidal ( ) 4. A species in immediate danger of extinction is (a) threatened ( ) (b) vulnerable ( ) (c) rare ( ) (d) endangered ( ) EVST/IV/A11/272

14 ( 3 ) 5. The biogeographical region of India is divided into (a) 15 regions ( ) (b) 10 regions ( ) (c) 5 regions ( ) (d) 7 regions ( ) 6. Conservation is (a) protection of natural resources ( ) (b) management of natural resources ( ) (c) judicious use of natural resources ( ) (d) All of the above ( ) 7. Which of the following NGOs is associated with Chipko Movement? (a) Narmada Bachao Andolan ( ) (b) Centre for Science and Environment ( ) (c) Dasholi Gram Swarajya Mandal ( ) (d) Kalpavriksh ( ) EVST/IV/A11/272

15 ( 4 ) 8. Energy flow through the ecosystem is (a) linear and one-way ( ) (b) linear and two-way ( ) (c) cyclic ( ) (d) both cyclic and linear ( ) 9. The zero population growth due to equal birthrate and death rate is called (a) fertility rate ( ) (b) replacement level ( ) (c) demographic transition ( ) (d) natural increase ( ) 10. The Environment (Protection) Act was enacted in India from the year (a) 1974 ( ) (b) 1981 ( ) (c) 1980 ( ) (d) 1986 ( ) EVST/IV/A11/272

16 ( 5 ) SECTION B ( Marks : 15 ) Write notes on the following : 3 5=15 1. Acid rain EVST/IV/A11/272

17 ( 6 ) 2. Biotic and abiotic components of an ecosystem EVST/IV/A11/272

18 ( 7 ) 3. Rainwater harvesting EVST/IV/A11/272

19 ( 8 ) 4. Deforestation EVST/IV/A11/272

20 ( 9 ) 5. Difference between renewable and nonrenewable resources with examples G /272 EVST/IV/A11

21 EVST/IV/A11 ( 2 ) ( 4th Semester ) ENVIRONMENTAL STUDIES Paper : EVS I Full Marks : 75 Time : 3 hours ( PART : B DESCRIPTIVE ) ( Marks : 50 ) The figures in the margin indicate full marks for the questions UNIT I 1. What do you understand by the term environment? Why is public awareness necessary for our environment? 2+8=10 Or Define surface water and groundwater. Is land a renewable or a nonrenewable resource? Explain your answer. 2+8=10 G16/272a ( Turn Over ) UNIT II 2. Define ecosystem. Explain energy flow in an ecosystem. 2+8=10 Or Briefly describe the structure and functions of ecosystem. 10 UNIT III 3. Define endangered species. What kinds of threat to the biodiversity may lead to its loss? 2+8=10 Or Give accounts on any two of the following : 5 2=10 (a) (b) Ex situ or In situ conservation Habitat loss (c) Concept and criteria of biodiversity hot spots UNIT IV 4. What is air pollution? Write a note on the causes and control measures of air pollution. 2+8=10 G16/272a ( Continued )

22 ( 3 ) Or Write notes on any two of the following : 5 2=10 (a) (b) Earthquake Landslide (c) Control Measures of Urban and Industrial Wastes (d) Causes of Soil Pollution UNIT V 5. Write notes on any two of the following : 5 2=10 (a) (b) (c) (d) Watershed Management Chipko Movement Carrying Capacity of Environment Population Explosion Or Define shifting cultivation. What are the major impacts of shifting cultivation on land degradation? 2+8=10 G /272a EVST/IV/A11