UGC NET Solved Question Paper II in Environmental Sciences { 2013 June }

1. Assertion (A): Every country should integrate the principles of sustainable development into its policies and programmes.

Reason (R): Environmental resources are a Nation’s wealth.

Choose the correct code from the following:

(A) Both (A) and (R) are true and (R) is the correct explanation of (A).

(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A).

(C) (A) is true, but (R) is false.

(D) (A) is false, but (R) is true.

Answer: (B)

2. Wind rose represents statistical distribution of

(A) Wind velocity in vector form

(B) Wind speeds in scalar form

(C) Wind speeds in π diagram

(D) Wind speeds in the form of histograms

Answer: (A)

3. In the redox reaction given below, which one of the substrates in forward reaction is oxidized? 2Fe3+ + H2 → 2Fe2+ + 2H+

(A) Fe3+

(B) H2

(C) H+

(D) Fe2+

Answer: (B)

4. If soil in a given area is wetted and allowed to drain till percolation is stopped, the amount of water thus retained is called

(A) Storage capacity

(B) Capillary capacity

(C) Hygroscopic capacity

(D) Field capacity

Answer: (D)

5. Quantity of 5M HCl required for preparing 1000 ml of 0.1 M HCl is,

(A) 20 ml

(B) 2 ml

(C) 200 ml

(D) 100 ml

Answer: (A)

6. The method which can be used for the softening of water having high calcium, high magnesium-carbonate hardness and some noncarbonated hardness

(A) single-stage line process.

(B) Excess lime process.

(C) Single stage lime-soda ash process.

(D) Excess lime-soda ash process.

Answer: (D)

7. Spotted deer, Asiatic wild ass, Black buck are,

(A) Endangered species

(B) Vulnerable species

(C) Threatened species

(D) Key species

Answer: (B)

8. Specific mortality of members of a population is expressed by

(A) Life table

(B) Survivorship curve

(C) Rate of mortality

(D) Rate of fecundity

Answer: (B)

9. Which group of vertebrate comprises maximum number of endangered species?

(A) Fish

(B) Amphibia

(C) Reptiles

(D) Birds

Answer: (D)

10. Under anaerobic condition denitrifying Pseudomonas changes,

(A) Nitrate to molecular nitrogen

(B) Nitrate to ammonia

(C) Nitrate to Nitrite

(D) Nitrite to Nitrate

Answer: (A)

11. The Phenomenon of having higher number of species in Eco tone is called

(A) Dominance effect

(B) Edge effect

(C) Abundance

(D) Frequency

Answer: (B)

12. Which specific common feature is not found in zooplankton and rabbit?

(A) Both are animals

(B) Both are primary consumers

(C) Both are carnivores

(D) Both are herbivores

Answer: (C)

13. The following exogenous and endogenous factors are the cause of extinction of animal species:

I. Ecological niche

II. Decrease in reproductive potency.

III. Lesser adaptability to fluctuating environment.

Choose the correct answer from the codes given below:


(A) I only

(B) II only

(C) I and II

(D) I, II and III

Answer: (D)

14. Positive mass balance of glaciers has been recently reported from

(A) Eastern Himalayas

(B) Nepal Himalayas

(C) Western Himalayas

(D) Karakoram

Answer: (D)

15. Which of the following will lead to reduction in greenhouse gases in atmosphere?

(A) Increased chemical weathering of rocks.

(B) Volcanic eruption

(C) Lowering of mean sea level

(D) An increase in melting of glacial ice

Answer: (A)

16. The unconsolidated material with highest permeability is

(A) Landslide with clayey component

(B) Altered volcanic ash

(C) Well sorted alluvial sand

(D) Buried mud flows

Answer: (C)

17. Which of the following component of cryosphere has the longest life?

(A) Sea ice

(B) Icebergs

(C) Valley glaciers

(D) Ice sheets

Answer: (D)

18. Aerobic bacteria is most active in

(A) Moist and saturated soil

(B) Moist and non-saturated soil

(C) Alluvial soil

(D) Permafrost

Answer: (B)

19. Andisols are formed by

(A) Biological activity

(B) Erosion by wind

(C) Erosion by waves

(D) Volcanoes

Answer: (D)

20. In case of photovoltaic cell, the maximum theoretical efficiency of conversion is

(A) ~ 45 %

(B) ~ 30 %

(C) ~ 25 %

(D) ~ 50 %

Answer: (A)

21. Consider an ideal wind power generator of the wind speed increases 3 times, the power output would increase by how many times?

(A) 3

(B) 9

(C) 27

(D) 81

Answer: (C)

22. Identify the correct sequence in increasing order of total CO2 emissions from various countries at present.

(A) Britain < India < China < USA

(B) India < Britain < China < USA

(C) Britain < USA < India < China

(D) Britain < India < USA < China

Answer: (D)

23. Arsenic compounds cause

(A) Dwarfism

(B) Dermatitis

(C) Thyrotoxicosis

(D) Wilson’s disease

Answer: (B)

24. What is the pE value in an acid mine water sample having [Fe2+] = 7.03 × 10–3 M and [Fe3+] = 3.71 × 10–4 M

(A) 10.5

(B) 12.5

(C) 14.5

(D) 18.5

Answer: (C)

25. Assertion (A): Chronic exposure to ozone is a possible contributor to forest decline.

Reason (R): Surface ozone is a greenhouse gas.

Identify the correct code:

(A) Both (A) and (R) are true and (R) is the correct explanation of (A).

(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A).

(C) (A) is true, but (R) is false.

(D) (A) is false, but (R) is true.

Answer: (B)

26. Identify the most dominant pollutant in terms of its concentration levels in urban atmosphere.

(A) Oxides of nitrogen

(B) Oxides of sulphur

(C) Particulate matter

(D) Carbon monoxide

Answer: (D)

27. The main constituents of photochemical smog are

(A) Oxides of sulphur and CO

(B) Oxides of sulphur and hydrocarbons

(C) Oxides of nitrogen and CO

(D) Oxides of nitrogen, hydrocarbons and ozone

Answer: (D)

28. The air borne fraction of carbon is

(A) ~ 0.72

(B) ~ 0.62

(C) ~ 0.46

(D) ~ 0.38

Answer: (C)

29. The noise index Leq is used for noise standards in ambient environment of urban areas. The prescribed duration of the integration associated with Leq is

(A) 12 hours

(B) 8 hours

(C) 1 hour

(D) 30 minutes

Answer: (B)

30. In alkaline soils, which of the following is not present in soluble state?

(A) Phosphorous

(B) Calcium

(C) Nitrates

(D) Potassium

Answer: (A)

31. Which one of the following is not a post audit activity under environmental audit process?

(A) Review of draft report by Law department.

(B) Issue of final report to functional specialist.

(C) Develop action plan to establish responsibility.

(D) Report audit findings.

Answer: (D)

32. Which one of the following pairs is correctly matched?

(A) Specification for environmental management system ISO 14001

(B) Environmental performance evaluation ISO 14040

(C) Guidelines for environmental auditing ISO 14000

(D) Environmental labels and declaration ISO 14004

Answer: (A)

33. In accordance with the Indian EIA notification 2006, within how many days if Environmental Appraisal Committee does not specify the Terms of Reference, the proponent can go ahead with its own Terms of Reference.

(A) 15 days

(B) 45 days

(C) 60 days

(D) 90 days

Answer: (C)

34. Which is the correct sequence for impact assessment process in EIA?

(A) Description of Environment → Identification of impacts → Prediction of impacts → Evaluation of impacts → Identification of mitigation needs.

(B) Identification of impacts → Prediction of impacts → Evaluation of impacts →Identification of mitigation needs.

(C) Identification of impacts → Description of Environment → Prediction of impacts → Evaluation of impacts → Identification of mitigation needs.

(D) Prediction of impacts → Identification of impacts → Description of environment → Evaluation of impacts → Identification of mitigation needs.

Answer: (A)

35. Quantifying the energy and raw material requirement as a part of life cycle assessment, is termed as

(A) Life Cycle improvement analysis.

(B) Life Cycle impact analysis.

(C) Life Cycle inventory.

(D) Life Cycle pre-requisites.

Answer: (C)

36. Which of the following pertains to “high-waste approach” in dealing with the solid and hazardous wastes?

(A) Burying and burning

(B) Recycling

(C) Composting

(D) Reusing

Answer: (A)

37. Assertion (A): Dumping of sewage to river water may decrease oxygen even below 4 mg/l.

Reason (R): Dumping of sewage pollutes river water heavily.

Identify the correct answer:

(A) Both (A) and (R) are true with (R) being the correct explanation.

(B) Both (A) and (R) are true, but (R) is not the correct explanation.

(C) (A) is true, but (R) is wrong.

(D) Both (A) and (R) are wrong.

Answer: (A)

38. In most of the studies, a large sample size is anticipated to

(A) Get a low level of precision.

(B) Maximize the sampling error.

(C) Get a high level of precision.

(D) Maximize the standard deviation.

Answer: (C)

39. The geometric mean of 4, 8 and 16 is

(A) 9.3

(B) 8.0

(C) 4.8

(D) 10.2

Answer: (B)

40. The covariance between two data of N observations each represented by variables X and Y is given by 

Answer: (A)

41. The mean and standard deviation of a Binomial distribution are 9 and 1, respectively. The first moment of the distribution is

(A) 9

(B) 3

(C) 1

(D) 0

Answer: (D)

42. Which one of the following is used in manufacturing flexible plastic bags and sheets?

(A) Polystyrene (PS)

(B) Polyethylene terephthalate (PET)

(C) Low density polyethylene (LDPE)


Answer: (C)

43. Which one of the following is a non-formal environment education and awareness programme?

(A) Environmental appreciation courses.

(B) National Environment Awareness Campaign.

(C) Environmental Education in school system.

(D) Environmental Management Business Studies.

Answer: (B)

44. Bio parks are conceived, developed and managed with a goal of conservation of biodiversity through,

(i) Development of educational and scientific activities.

(ii) Promoting silviculture and monoculture.

(iii) Promoting local community welfare without harming the natural habitat.

Choose the correct answer from the codes:


(A) (i) and (ii)

(B) (ii) and (iii)

(C) (i) and (iii)

(D) (i), (ii) and (iii)

Answer: (C)

45. In about a 7 metre deep pond the series of vegetation development will be

(A) Submerged → Floating → Reed → Herb

(B) Floating → Submerged → Reed → Herb

(C) Floating → Reed → Submerged → Herb

(D) Submerged → Reed → Floating → Herb

Answer: (A)

46. In terrestrial ecosystems, roughly how much NPP ends up being broken down by decomposers?

(A) 90 %

(B) 70 %

(C) 50 %

(D) 10 %

Answer: (A)

47. Which of the following BOD level waste water is permitted to be released inlands by industries under water (Prevention and Control of Pollution) Act, 1974?

(A) 30 mg/l

(B) 80 mg/l

(C) 100 mg/l

(D) 150 mg/l

Answer: (A)

48. Hydraulic conductivity is a function of

(A) medium alone

(B) Fluid alone

(C) Either fluid or medium

(D) Both fluid and medium

Answer: (D)

49. Dachigan sanctuary is associated with

(A) Hangul

(B) Rhinoceros

(C) Barking deer

(D) Leopard

Answer: (A)

50. Rio+20 summit was held in

(A) Durban

(B) Johannesburg

(C) Rio de Janeiro

(D) Cancun

Answer: (C)

Related Posts

Post a Comment


Jobs Alert TNPSC General Knowledge Current Affairs General Studies Tamilnadu Jobs Group IV Dinamani News State Govt. Jobs. Central Govt. Job VAO Current Affairs - 2016 Group 2 General Tamil Current Affairs - 2020 UPSC Current Affairs Mock Test Group 1 Assistant Current Affairs - 2019 TET Current Affairs - 2018 Mock Test Librarian Vacancy SSC Teaching Current Affairs - 2017 PAPER - I TRB Civics History dinamalar News Admission Science Dinamalar Group 4 Indian Constitutions Dinamalar Group 2 Library Science Quiz RRB Mathematics Officers Library and Information Science Paper II Online Quiz Anna University Jobs Dinamani GT Computer Science Quiz Dinaethal TNPSC History Quiz TNPSC Jobs TNPSC Result Dinamalar TNPSC Group 2 A Model Questions General English Research Methodology Librarian Jobs NEET 2017 Model Questions Police Model Questions Free Coaching Class TNTET - Dinamalar Technician Dinakaran Group 4 Geography Current Affairs - 2015 TN Police Model Questions Current Affairs in English 6th Standard General News Answer Key Computer Science Library and Information Science Teaching Aptitude Project Assistant 10th Standard Computer Science PAPER - III History Paper II Managers RESULT 6th Tamil Results Dinathanthi News RRB Model Question Engineers 9th Standard Railway Jobs UGC NET Clerk Group 2 A Hall Ticket Computer Science PAPER - II Current Affairs - 2022 Current Affairs - June 2016 Research Assistant Driver Library and Information Science Paper III tnpsc group IV Aavin Jobs Economics Exam Tips Office Assistant PAPER - II 10th Science Bank Exam General Science Mock Test Life Science Quiz TN Aided School Jobs 6th Standard Science Scientist TNPSC Trics TNTET UGC-NET QUIZ Accountant Trainee Jobs 7th Standard 9th Science Dinamani Group 2 Nobel Awards Nurses CBSC NET History Mock Test PAPER - III Bank Jobs CSIR-NET Medical Physicist STATE GOVT. JOBS 8th Standard Political Science Mock Test Private Jobs Typist Current Affairs - May 2016 Economics Paper II Physics Political Science Paper II TNPSC Annual Planner +2 Result 8th Science INM NEET Online Model Test Security Stenographer commerce Quiz 7th Tamil Attendant Commerce Commerce Paper-2 Economics Paper III Free download History Paper III Indian National Movement NCERT Text Book Political Science Paper III Reasoning Solved Paper - I What Today Adult Education Paper II Adult Education Paper III General Tamil Quiz Home Science Paper II Kerala Jobs Labour Welfare Paper III Professional Assistant Psychology Paper II Sociology Paper - II Sociology Quiz TNPSC Group 2 A UGC NET Result 11th Standard 8th Tamil Anthropology Paper II Anthropology Paper III Arab Culture and Islamic Studies Paper II Arab Culture and Islamic Studies Paper III Archaeology Paper II Archaeology Paper III Biology Civic Comparative Literature Paper II Comparative Literature Paper III Comparative Study of Religions Paper II Comparative Study of Religions Paper III Criminology Paper II Criminology Paper III Current Affairs - April 2016 Defence and Strategic Studies Paper II Defence and Strategic Studies Paper III Education Paper - II Education Paper - III English Paper - II English Paper - III Environmental Sciences Paper - II Environmental Sciences Paper - III Forensic Science Paper II Forensic Science Paper III Geography Paper II Geography Paper III Home Science Paper III Human Rights and Duties Paper II Human Rights and Duties Paper III ISRO Jobs Indian Culture Paper - II Indian Culture Paper - III International and Area Studies Paper II International and Area Studies Paper III Labour Welfare Paper II Law Paper - II Law Paper - III Management Paper - II Management Paper - III Mass Communication Paper II Mass Communication Paper III Museology and Conservation Paper II Museology and Conservation Paper III Music Paper II Music Paper III Performing Arts Paper II Performing Arts Paper III Philosophy Paper II Philosophy Paper III Physical Education Paper - II Physical Education Paper - III Police Political Science Quiz Politics Population Studies Paper II Population Studies Paper III Psychology Paper III Public Administration Paper - II Public Administration Paper - III Sociology Paper - III TNPSC Old Questions TNPSC Syllabus Tamilnadu Tourism Administration and Management Paper II Tourism Administration and Management Paper III UGC NET Exam News Visual Arts Paper II Visual Arts Paper III Women Studies Paper II Women Studies Paper III 10th Result 10th Tamil 12th Standard Administrator Anthropology Quiz Commerce Paper-3 Constable Current Affairs - March 2016 Current Affairs - November-2015 Current Affairs - September Current Affairs English January 2019 Folk Literature Paper II Folk Literature Paper III Geography Mock Test Inspector Librarian Private Jobs Linguistics Paper II Linguistics Paper III News Clipping TN TET TNPSC News Text Books Tribal and Regional Language Paper II 12th Result 7th Science 9th Tamil B.Ed Admission Chemistry Current Affairs - 2021 Current Affairs English Dinathanthi Group 4 Geography Quiz Group-I Jailor Model Questions Lab Assistant Model Questions NIOS - Political Science New Delhi Jobs Success Tips TNPSC Departmental Exam TRB Annual Planner Tribal and Regional Language Paper III tnpsc old questions mcq 11th Tamil 6th Standard History 7th Tamil Mock Test 9th standard Tamil Quiz CSIR-NET - Chemistry Current Affairs - 2023 Current Affairs - December-2015 Foreign Jobs Latest News Paper I Physics Paper II Question Bank TNPSC Cut-off Marks TNPSC Language Test Tamil Nadu GK Telangana Jobs VAO Exam Tricks 12th Revaluation Admission Military College CTET Coaching Class Computer Science Video Current Affairs - GK Video Current Affairs - January 2016 Dinamani Group 4 Model Questions Group 8 Karnataka Jobs Mathematics Paper II Model Test for PAPER - I NEET Exam October-2015 Paper II Pharmacist Police Constable Questions SSC Annual Planner SSLC Tamil Syllabus TN PSC Jobs TN Police Original Questions TNPSC - Synonyms TNPSC Question Bank TNPSC youtube Video TNSET Tamil Paper II The Hindu Group 4 Model Question UGC NET Exam UGC NET Syllabus Who's Who gk 10th Revaluation 8th Standard Tamil About NTA Andhra Pradesh Jobs Antonyms Assistant Jailor Exams Block Health Statistician CESE CMAT & GPAT CSIR-NET - Physics Civil Engineer Mock Test Computer Science Paper II Counselling Current Affairs - Augst 2016 Current Affairs - February 2016 Current Affairs - January 2019 Current Affairs January 2019 Dinamalar Group 4 2019 Disclaimer General Knowledge Mock Test Geology Group VIII Group-II ITI Jobs Interview Questions JEE Exam January Current Affairs - 2016 KVS Teaching LIS Questions Legal Jobs Library Science Paper II Life Science Life Science Paper II Match the following Words Mathematics Quiz Mode of UGC NET Exam NTA NET Exam Paper I November-2015 Online Test Political Science Politicsa Reasoning and Logical Reasoning Scholarship South India Govt. Jobs Statistician TN EB Assessor Exam Model Questions TNPSC EO Exam TNUSRB Questions TRB QUESTIONS Tamil UGC NET Exam Syllabus International and Area Studies UGC NET Exam Syllabus Paper I UGC NET Exam Women Studies Syllabus UGC NET Notifications UGC NET Syllabus for Computer Science Paper II UGC NET Syllabus for Criminology UGC NEt Answer Keys UGC-NET Exam Date UPSC Annual Planner UPSC Old Questions United Nations centr
Subscribe Our Posting