1. In which part of the atmosphere the momentum, heat flux and moisture content are conserved

Surface Boundary Layer

Mesosphere

Troposphere

Stratosphere

2. The soil type which is good for agriculture is

Podozols

Latosols

Serpent soil

Solonachak

3. A local laboratory analyzed a water sample and determined that it contained a total solid content of 132 mg/L and a conductivity of 112 µS/cm. The total suspended solid content of water will be

57

75

32

120

4. The settling of discreet, non flocculating particle in a dilute suspension is known as

Class-I sedimentation

Class-II sedimentation

Class-III sedimentation

Compression

5. The theoretical oxygen demand for a solution containing 500 mg/L of phenol will be

298 mg/L

596 mg/L

1191 mg/L

2382 mg/L

6. The compound p-dichlorobenze has been found to have KOM 625. For a soil containing 1.6% organic matter, the distribution coefficient will be

2

5

10

20

7. Which one of the following is the single most important reactive intermediate species in atmospheric chemical processes

OH.

O2

ROO.

OH-

8. As per Indian Standards for drinking water desirable limit for total hardness as CaCO3 is

100 mg/l

200 mg/l

300 mg/l

400 mg/l

9. Flue gas laden with fine particles from a thermal power plant with a volume flow rate of 100 m3/second passes through an electrostatic precipitator having 5000 m2 of collector plate area. If the particle collection efficiency of the ESP is the drift velocity of the flue gas must be

0.052 m/s

0.078 m/s

0.15 m/s

1.5 m/s

10. Molar extinction coefficient of malondialdehyde is 0.155 mM-1 Cm-1. The concentration of malondialdehyde in a solution having an absorbance of 0.31 is

2 mM

0.31 mM

0.155 mM

1.55 mM

11. Removal of top fertile soil by water is called



Leaching

Siltation

Weathering of soil

Soil erosion



12. The rate of settling of air-borne particles in the atmosphere varies with their aerodynamic diameter



ALPHA d

ALPHA d2

ALPHA d3

ALPHA d½



13. The smokestack plumes exhibit 'coning' behaviour when

stable atmospheric conditions exist

atmosphere is unstable

the height of the stack is below the inversion layer

inversion exists right from the ground surface above



14. Among total dissolved matter in marine water, chlorine accounts for

30%

55%

12%





15. Photodissociation of NO2 occurs in the presence of photons of wavelength,

0.39 µm

0.5 0.6 µm

0.6 0.65 µm

0.65 0.7 µm



16. Peroxyacetyl Nitrate is formed by oxidation of

Hydrocarbons
Isoprene
Terpene
Arsenic Choose the correct answer from the codes Codes

and

and

and

and



17. The evolution of genetic resistance to antibiotics among disease-carrying bacteria is an example of

Directional natural selection

Stabilizing natural selection

Diversifying natural selection

Convergent natural selection



18. Pulmonary oedema is caused by

Carbon monoxide

Sulphur dioxide

Nitrous oxide

Methane



19. What is the half life of 131I

60 days

8 days

12 years

30 days



20. Which one of the following makes blood toxic, after combining with haemoglobin

CO2

CO

SO2

CH4



21. Respiratory electron transport chain can be inhibited by

ADP

Phosphate

H2S

CO2



22.

Assertion Oil slick in the ocean causes mass scale death of fish.

Reason The gills of fish get clogged. Point out the correct one of the following

Both and are true with being the correct explanation.

Both and are true but is not the correct explanation.

is true, but is wrong.

Both and are wrong.



23. Chaparral, Maquis, Encinous, Melleseab are important areas of

Tropical evergreen woodland

Temperate evergreen woodland

Tropical deciduous woodland

Temperate deciduous woodland



24. The Keystone predator species maintain diversity in a community by

preying on community's dominant species

allowing immigration of other predators

competitively excluding other predators

coevolving with their prey



25. Which of the following is not an external factor controlling an ecosystem

Climate

Topography

Parent material forming soil

Microbes



26. Which of the following food chain is correct

Phytoplankton Zooplankton
Turtle Crabs

Phytoplankton Zooplankton
Crab Turtle

Turtle Crab Zooplankton
Phytoplankton

Zooplankton ->Turtle ->Crab

Phytoplankton

27. Which of the following is not categorized as an internal factor of an ecosystem

Decomposition

Succession

Root competition

Bedrock



28. Two species cannot remain in same place according to

Allen's law

Gause hypothesis

Doll's rule

Weismann's theory



29. Identify the correct pair

Ecotope Transition between two ecosystems .

Edaphic Saline soil

Heliophytes Photophilic plants

Ecotone Particular type of soil



30. Based on the number arrange the following group of endemic vertebrate species of India in descending order
Mammals
Birds
Reptiles
Amphibians

Choose the correct answer from the following

Amphibians, Reptiles, Birds and Mammals.

Reptiles, Amphibians, Birds and Mammals.

Mammals, Birds, Amphibians and Reptiles.

Birds, Mammals, Reptiles and Amphibians


31. Freshwater ecosystems are nutritionally limited by

Phosphorous and Iron

Phosphorous and Carbon

Iron and Nitrogen

Nitrogen and Calcium


32. 'Threshold of Security refers to the population level at which

Parasites damage the host body but do not cause immediate mortality.

Predators no longer find it profitable to hunt for the prey species.

Functional response of the predator is very high.

The balance between parasite and host is disturbed as the host produces antibodies.



33. "Bermuda grass allergy" is a type of

Airborne allergy

Contact allergy

Hydroborne allergy

Soilborne allergy



34. Parasites which initiate production of antibodies within hosts are termed as

Endoparasites

Pathogenic parasites

Zooparasites

Homoparasites



35. Which of the following material is not easily broken down

Cellulose

Hemicellulose

Chitin

Amino acids



36. Melting of polar ice is expected to cover a sea level rise of approximately

10 metre

20 metre

60 metre

100 metre



37. Pleistocene represents period of

Cold climate

Warm climate

Alteration of cold and warm climate with high proportion of cold period

Alteration of cold and warm climate with very high proportion of warm period



38. GIS is applied to study

View shed analysis

Environmental Impact Assessment

Wildlife habitat analysis and migration routes planning

All of the above



39. Tectonic control in landscape evolution is manifested by

Tilted river terraces

Alluvial forms

Increased boulder proportions in the river belt

River meandering



40. Difference between mineral resource and reserve is

Reserve implies high degree of economic viability

Resource implies high degree of geological knowledge

Reserve implies high degree of economic viability and high degree of geological knowledge

Resource implies high degree of economic viability and high degree of geological knowledge



41. Characteristic difference between two polar Ice Caps is

Arctic Ice Cap is on land

Antarctic Ice Cap is on land

Both are on land but Antarctic Ice Cap is thicker

Both are on sea but Arctic Ice Cap is thicker



42. Laterite represents

Regolith soil

Glacial soil

Black cotton soil

Red soil



43. In a whole-rock chemical analysis the dividing criterion between major and trace element on weight percent basis is

1

0.1

0.01

0.001



44. The mineral, most resistant to chemical weathering is

Olivine

Quartz

K-feldspar

Biotite



45.
Assertion Phosphorus cycle is not an exogenic elemental cycle.

Reason Phosphorus cycle does not have a gaseous component. Choose correct answer

Both and are true and is the correct explanation of

Both and are true, but is not correct explanation of

is true, but is false.

is false, but is true.



46. The El Nino disappears in March and re-appears in

May

August

October

December



47. The elemental composition of earth's crust in the descending order of weight percent is

Silicon Aluminium Iron Calcium

Aluminium Iron Calcium Silicon

Iron Calcium Silicon Aluminium

Calcium Silicon Aluminium Iron



48. Bio-oil can be obtained from lignocellulose by

Combustion

Fast pyrolysis

Gasification

Transesterification



49. For an ideal Magneto-hydrodynamic power generator, the power output varies with the hot fuel velocity u as

P alpha u

P alpha u2

p alpha u3/2

p alpha u3

50. Assuming that due to large scale change in land use pattern of the world, the earth's albedo changes from 0.32 to 0.3. If the climate 2sensitivity factor is 0.5 °C w-1 the change in surface temperature of earth will be (take solar constant S 1400

3.5 °C

0.25 °C

7.0 °C

1.5 °C



51. Global Warming Potential of a greenhouse gas is a factor comparing the global warming impacts of

1 m3 of GHG with 1 m3 of CO2

1 kg of GHG with 1 kg of CO2

1 gram mole of GHG with 1 gram mole of CO2

1 kg of GHG with 1 mole of CO2



52. The energy released during combustion of methane is 900 kJ/mol. The carbon intensity of methane is

0.05 gram C/kJ

0.013 gram C/kJ

0.018 gram C/kJ

1.08 gram C/kJ



53. The term B10 implies

Blending of 10 percent biodiesel with 90 percent conventional diesel.

Blending of 90 percent biodiesel with 10 percent conventional diesel.

Blending of 50 percent biodiesel with 50 percent conventional diesel.

Blending of 1 percent biodiesel with 10 percent conventional diesel.



54. The validity period of Environmental Clerance after Environmental Impact Assessment is least for

Mining projects

River valley projects

Harbour projects

Area development projects



55. In Environmental assessment study, interpretation and evaluation should consider

Uncertainty of possible impacts

Significance of measured impacts

Comparison of alternatives

All of the above



56. Who are responsible for the public consultation process of EIA

State Pollution Control Board

State Pollution Control Board and District Collector

State Pollution Control Board and CPCB Chairman

State Pollution Control Board and Civil Society


57. Arrange the following components of an environmental management system in a sequential order. Choose the correct answer from the codes given below

I. Planning
II. Environmental policy
III. Implementation
IV. Monitoring
V. Review

Codes

II, III, IV

II, III, IV, V

III, II, IV, V

III, II, IV



58. Match List I with List II and choose the correct answer from the codes given below

List I List II

a. Life Cycle 1. 14010 Assessment series
b. Environmental 2. 14030 Auditing series
c. Environmental 3. 14040 Performance series Evaluation
d. Environmental 4. 14020 Labelling series

Codes a b c d

1 4 3 2

3 1 2 4

2 3 4 1

4 2 1 3



59. Which statement is not correct for hazardous wastes

They contain one or more of 39 toxic compounds

They catch fire easily

They are non reactive and stable

They are capable of corroding metal containers



60. Right to clean environment is guaranteed in Indian Constitution by

Article 14

Article 19

Article 21

Article 25



61. National Ambient Air Quality Standards for major pollutants were notified by CPCB in

1994

1984

2004

1974



62. Public Liability Insurance Act came into existence in the year

1986

1989

1991

1995



63. The eigen value of the matrix
0 is

0

1

2

3

64. The standard deviation of weights of certain 1 kg packets of milk is 10 grams. A random sample of 20 packets showed a standard deviation of 15 grams. The value of statistic for the sample is
30

45

1.5

0.66
65.

Assertion According to Gaussian Plume Model, the downward concentration of pollutant appears to be inversely proportional to average wind speed at effective stack height.

Reason Plume rise does not depend on wind speed. It only depends on buoyancy flux parameter. Identify the correct answer

Both and are true and is the correct explanation of

Both and are correct and is not the correct explanation of

is true, but is false.

is false, but is true.


66. The population of an urban area increased from 5 million to 15 million over a period of 50 years. If the growth of population has been exponential at a constant rate over this period, the growth rate is

0.693

1.2

1.38

2.2


67. A random sample of size 26 has a mean of 20. The sum of squares of the deviations taken from the mean is 200. If the population mean is 18, what is the value of t-statistic

0.9

2.1

3.6

5.2



68. In Y-shaped energy flow model, one arm represents herbivore and the other

Carnivore

Decomposer

Omnivore

Secondary consumer



69. The population of a certain fish species in a pond follows logistic dN equation dt aN ßN2. When a 0.5 and ß 0.01, the maximum sustainable yield is

25

50

20

5



70. A change in a population's gene pool over time is called

Microevolution

Macroevolution

Chemical evolution

Inorganic evolution



71. The scale length of variation of pressure in vertical direction in atmosphere is

2.5 km

5 km

7 km

8.5 km



72.
Assertion Planetary, synoptic and mesoscale motions in earth's atmosphere are essentially quasi-horizontal.

Reason The vertical component of wind velocity is more than an order of magnitude smaller than its horizontal component for all motions in atmosphere. Identify the correct answer

Both and are true and is the correct explanation of

Both and are true and is not the correct explanation of

is true, but is false.

is false, but is true.

73. GLOBE stands for

Global Leading Occupations to Benefit the Environment

General Learning and Observations to Benefit the Environment

Global Learning and Observations to Benefit the Environment

Global Leaders and their Observations to Benefit the Environment



74. Which one of the following is not the goal of sustainable agriculture in India

Maintaining productive topsoil

Reduce the use of chemical fertilizer and pesticides

Mechanised farming

Keep farms economically viable



75. The term of Kyoto Protocol has been extended beyond December 2012 by

5 years

7 years

8 years

3 years