MAHA SET 2015 Question Paper 2 Environmental Sciences

Test Booklet No.
F
ENVIRONMENTAL SCIENCE
Signature and Name of Invigilator Seat No.
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(Name) ................................................ OMR Sheet No.
AUG - 31215 (To be filled by the Candidate)
Time Allowed : 1¼ Hours] [Maximum Marks : 100
Number of Pages in this Booklet : 16 Number of Questions in this Booklet : 50
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Environmental Science
Paper II
Time Allowed : 75 Minutes] [Maximum Marks : 100
Note : This Paper contains Fifty (50) multiple choice questions. Each question
carries Two (2) marks. Attempt All questions.

3. Production of wealth and providing
1. The clouds and the weather systems
jobs for human society without
are mostly observed in which part degrading the environment is

of the atmosphere ? termed as :

(A) Sustainable economy
(A) Troposphere
(B) Green revolution

(B) Ionosphere (C) Environmental conservation

(D) Community
(C) Mesosphere
4. The mean annual temperature of
(D) Exosphere two stations at different elevation,
located at the same latitude, both
2. The flux of radiation from black body
away from the coast will be :
is directly proportional to :
(A) Higher for the station with
higher elevation
(A) T
(B) Lower for the station with
(B) T 4 lower elevation

(C) Same for the two stations
(C) T 2
(D) Lower for the station with
(D) 1/T higher elevation

3 [P.T.O.

5. The ionosphere which extends up
7. Which of the following is correct form
to 500 km above the earth surface

is characterised by : of Bragg’s equation ?

(A) Steady decreasing temperature n
(A) = 2d sin
with height from mesosphere

(B) Steady temperature increase (B) n = sin

with height from mesopause

(C) n – = 2d sin
(C) Constant temperature along

with increasing height from sin
(D) n =
2d
stratosphere

(D) Steady temperature increase 8. Which of the following is the correct

with height from stratosphere
equation for Gibbs’ energy ?
6. 25 mg of KCl is dissolved in

100 mL of water. What will be its (A) G = H – T S
concentration in PPM ?

(B) G = H + T S
(A) 0.25

(B) 2.5 H
(C) G = – S
T
(C) 25
S
(D) G = H –
(D) 250 T
4

9. Fluoride pollution mainly affects 11. Consumer organisms that feed on

which of the following ? dead organic plant and animal

(A) Kidney matter are known as :

(B) Teeth (A) Detrivores

(C) Brain
(B) Autotrophs

(D) Heart
(C) Heterofeeders

10. Which of the following elements
(D) Chemotrophs
cannot be determined using
12. The Gaia hypothesis was proposed
Flame Atomic Absorption Spectro-

by :
photometer ?

(A) Swaminathan
(A) Iodine

(B) Maurice Strong
(B) Potassium

(C) Zinc (C) Brutland

(D) Copper (D) James Lovelock

5 [P.T.O.

13. The highest level of species richness 15. Ecological niche refers to :

is observed in : (A) Functional attribute of

(A) Temperate grasslands organism

(B) Tropical rain forest (B) Morphological attribute of

(C) Coniferous forest organism

(D) Alpine forest (C) Biomass of organism

14. How the biological oxygen demand (D) Biochemical properties of

gets affected with the increased organism

presence of organic matter in 16. Geopressurized have huge potential

water ? reserves of :

(A) It increases (A) Petroleum

(B) It decreases (B) Oil shale

(C) It remains unchanged (C) Natural gas

(D) It first increases, then decreases (D) Kerosene

6

17. Land Evaluation is the process of : 19. Tropical cyclones are low pressure

(A) Valuation of mineral resources areas with winds exceeding at

least :
(B) Assessment of land for a

specific purpose (A) 15 kts

(C) Assessment of land market of (B) 20 kts

an area (C) 27 kts

(D) Evaluation of biodiversity (D) 33 kts

18. Onset of South West Monsoon over 20. Nearly .................... of the annual

the Indian subcontinent occurs rainfall over Indian subcontinent

generally during the month of : occurs during S.W. Monsoon.

(A) July (A) 50%

(B) May (B) 70%

(C) June (C) 80%

(D) April (D) 95%

7 [P.T.O.

21. .......................... is an example of 23. Wind mills are most suited to

which of the following locations or
Biomass Energy conversion system.

regions :
(A) Pyrolytic (Thermal) gasifier
(A) Off-shore

(B) Heat extractor
(B) Lands

(C) Electrical cutter
(C) High altitude

(D) Kerosene stove (D) Deserts

22. Which of the following is an example 24. Solar energy in the infrared range

is about ...................% of the total
of perpetual source of energy ?

solar.
(A) Nuclear energy
(A) 50

(B) Fossil fuel
(B) 46

(C) Biomass energy
(C) 60

(D) Wind energy (D) 40

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25. Photosphere is situated at the 27. If exposure of 90 dB of noise for

8 hours means 100% noise dose, a
................... of the Sun.

person being subjected to a noise of
(A) Outer layer
96 dB for 4 hours is having an

(B) Middle part exposure to noise dose of :

(C) Central region (A) 50%

(B) 100%
(D) Outer Edge

(C) 200%
26. Which one of the following is a

(D) 150%
primary as well as secondary

28. The soil erosion that occurs due to
pollutant ?
overgrazing by cattle is :
(A) NO
(A) Gully erosion

(B) CH4
(B) Rill erosion

(C) CO 2
(C) Sheet erosion

(D) H2S (D) Soil mulching

9 [P.T.O.

31. To start with the industry, project
29. To maintain constant inflow of
proponents are required to furnish
effluent for treatment of wastewater
NOC from ............................. for

there is a unit known as : environmental appraisal.

(A) Central Pollution Control
(A) Sedimentation tank
Board

(B) Preclarifier
(B) Ministry of Environment and

Forest
(C) Equalization tank
(C) State Pollution Control Board
(D) Anaerobic digester
(D) State Government

30. Which of the following acids is 32. Which of the following is not an

objective of EIA ?
associated with soil ?

(A) Risk analysis and disaster
(A) Acetic acid
management

(B) Nitric acid (B) Recycling and reduction of

waste
(C) Hydrochloric acid
(C) Risk reduction

(D) Humic acid (D) Assessment of funds spent

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33. “Appiko Movement” from 35. Network method of impact

Karnataka State is related to : identification is based on the

(A) Protection of trees ................... of relationships in

(B) Protest against the use of Environmental systems.

plastics (A) Simple Web

(C) Movement for water conservation
(B) Food Chain

(D) Protection of rivers and streams
(C) Complex Web

34. Chairperson or the Vice-Chairperson
(D) Energy Web
of National Environment Tribunal
36. The name of the World Commission
shall be appointed after consultation
on Environment and Development
with :
is :
(A) Prime Minister

(A) Zakaria Commission
(B) Minister of Environment and

Forests (B) Brundtland Commission

(C) Chief Justice of India (C) Planning Commission

(D) Governor of State (D) Mitchel Resource Commission

11 [P.T.O.

37. Dumping of biomedical waste 39. The provision for the establishment

of State Advisory Board for the
without any treatment into any

wildlife is provided in :
water body may result into :

(A) The Biodiversity (Conservation)
(A) Destruction of toxicants
Act, 2006

(B) Spread of drug resistant
(B) The Forest (Conservation) Act,
microbes
1980

(C) Development of nitrogen (C) The Wildlife (Protection) Act,

fixtures 1972 (Amended in 91)

(D) Stabilization of phosphate (D) The Indian Forest Act, 1927

40. Infectious wastes among hospital
38. The three ‘R’ of waste management
wastes are normally collected in the
hierarchy are :
containers having .................... colour.
(A) Regain, Recycle and Resend
(A) Yellow

(B) Reuse, Reimburse and Regain
(B) Black

(C) Reduce, Reuse and Recycle
(C) White

(D) Reduce, Redox and Reoxidation (D) Blue
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41. An example of the non-probability 43. In regression analysis, for the null
sampling is :
hypothesis to be rejected, the value
(A) Random sampling
of t-statistic for degrees of freedom
(B) Stratified sampling
> 30 and 95% confidence limit should
(C) Cluster sampling
be approximately :
(D) Correlation
(A) > 2
42. The average length of stay in a
hospital is useful for planning. The (B) < 2
following is the distribution of the
(C) < 1
length of stay in a hospital :

Days Prob. (D) > 1

2 .05 44. According to Gaussian Plume model

3 .20 for a point source, the ground level

4 .40 concentration is :

5 .20
(A) Proportional to source strength
6 .15
(B) Inversely proportional to height
The average length of stay is :
of the stack
(A) 3.3
(C) Proportional to wind speed
(B) 4.0

(C) 4.2 (D) Inversely proportional to

(D) 4.7 mixing height

13 [P.T.O.

45. Mode of a distribution of a data is 48. Solar radiation is measured by :
equal to :
(A) Pyranometer
(A) arithmetic mean
(B) Thermocouple
(B) geometric mean

(C) 2(median) – mean (C) Photocell

(D) 3(median) – 2(mean) (D) Anemometer
46. Which of the following conventions
49. Conservation of Western Ghats is
is related to protection and
imperative from the viewpoint of :
conservation of Wetlands ?

(A) Vienna Convention (A) Historic importance

(B) Basel Convention (B) Rich biodiversity
(C) Ramsar Convention
(C) Tourism potential
(D) CITES
(D) Mineral deposits
47. Ethics is a :
50. Agenda 21 which is known as
(A) Developed tool to control
human activities blueprint for sustainable

(B) Adopted social legislation development was the outcome of :
for controlling human
(A) UN Conference on Human
environmental activities
Environment
(C) Term that guides one to moral
behaviour, which is basic to (B) UN Johannesburg Summit
distinguishing ‘right from
(C) UN Conference on Environment
wrong’
and Development
(D) Adopted social regulation for
controlling humans activities (D) UNDP-Report on Environment

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ROUGH WORK

15 [P.T.O.

ROUGH WORK

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