MAHA SET 2018 Question Paper 2 Environmental Science

Test Booklet Code & Serial No.
A
ENVIRONMENTAL SCIENCE
Signature and Name of Invigilator Seat No.
1. (Signature) ......................................... (In figures as in Admit Card)
(Name) ................................................ Seat No. ..............................................................
2. (Signature) ......................................... (In words)

(Name) ................................................ OMR Sheet No.
JAN - 31218 (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
Instructions for the Candidates
1. Write your Seat No. and OMR Sheet No. in the space provided 1.
on the top of this page.
2. This paper consists of 50 objective type questions. Each question
will carry two marks. All questions of Paper-II will be compulsory, 2.
covering entire syllabus (including all electives, without options).
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A B D
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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.

1. UNEP Headquarters is situated in 3. ‘‘Itai Itai’’ disease spread was due to

which city ? water contamination by which metal ?

(A) Mercury
(A) Rome
(B) Lead
(B) Kyoto
(C) Cadmium

(C) Beijing (D) Arsenic

(D) Nairobi 4. As per the notification, the coastal
land upto how many meters from a
2. First U.N. Conference on Man &
stage along the banks of creeks,
Environment was held in which city estuaries, backwater and rivers

and year ? subject tidal fluctuations, is called
the Coastal Regulation Zone :
(A) London, 1962
(A) 500 m
(B) Stockholm, 1972
(B) 300 m

(C) Rio de Janeiro, 1992 (C) 200 m

(D) Paris 1982 (D) 100 m

3 [P.T.O.

5. Tiger is protected animal in which 7. The simple harmonic motion is

represented by an elementary type
Schedule of the Wildlife Protection

of vibration with a..............frequency.
Act ?

(A) Duel
(A) Schedule 1
(B) Single

(B) Schedule 2
(C) Multiple

(C) Schedule 3
(D) Intermittant

(D) Appendix 8. What is incorrect about the

mechanism of organic matter
6. The sound velocity in the air at 0°C

conversion to biogas in anaerobic
is :
digestion system ?
(A) 1269 m/s
(A) Hydrolysis process

(B) 331 m/s
(B) Methanogenesis process

(C) 1435 m/s
(C) Acetogenesis process

(D) 5130 m/s (D) Methane oxidation process

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11. Stratosphere is known to protect life
9. Which of the homoacetogenic
on earth from harmful radiation
bacteria utilize H2 and CO2 during
from sun is found between :

anaerobic digestion of feedstock ? (A) Mesosphere & Thermosphere

(B) Thermosphere & Ionosphere
(A) Methanosarcina mazei
(C) Toposphere & Mesosphere

(B) Acetobacterium woodii
(D) Ionosphere & Exosphere

(C) Pseudomonas carboxydovorans 12. Eutrophication is caused due to :

(A) Transport emissions
(D) Escherichia coli
(B) Industrial emissions

10. Correct order of wavelength in (C) Biomass burning emissions

(D) Agricultural run off and
shorter to longer manner is :
domestic sewage

(A) IR > microwave > UV > Vis
13. The pH of 10–2 M KOH will be :

(B) Microwave > UV > Vis > IR (A) –2

(B) 2
(C) UV > Vis > IR > microwave
(C) –12

(D) Vis > UV > microwave > IR (D) 12

5 [P.T.O.

14. Dispersion of pollution from stack is 16. Dry adiabatic lapse rate is about

...............°C/km.
a function of...................
(A) 7
(A) stability, wind and stack height
(B) 4·5

(B) stability, wind and stack (C) 9·8

diameter (D) 12

17. Which of the following is not a
(C) stability, wind and Air pollution
green-house gas ?
control equipments
(A) O3

(D) stability, wind and stack (B) Ar

attachment (C) CO 2

(D) CH4
15. The height of tropopause over the
18. Wetlands located in the low-laying
equator is about..........km.
depressions and flood plains

(A) 10 associated with :

(A) Lakes
(B) 8
(B) Ponds

(C) 16
(C) Dammed water

(D) 12 (D) River

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21. In economics service is provided by
19. Fluoride in water mainly affects :
economic capital, then what will be

(A) Teeth in ecology ?

(A) National capital
(B) Brain
(B) Exponential expansion

(C) Muscles
(C) Disposal

(D) Kidney (D) Manufacturing

22. Levels of organization is seen in an
20. ...............are genetically differentiated
ecological spectrum :

subspecies that are well adapted to (A) Gene Cell Organs

Organism Population
the particular set of environmental
Communities
condition :
(B) Cell Gene Organism

Communities and Population
(A) Ecotypics

(C) Organism Organ Cell
(B) Species
Gene Population

Communities
(C) Genera
(D) Communities Population

(D) Bioacous Gene & Cells

7 [P.T.O.

25. Three basic processes are involved
23. In a waste water treatment plant,
in the overall anaerobic digestion of
the removal of setteleable solid and
sewage sludge following any of the

floating matter is done in a : sequence :

(A) Primary classifiers (A) Hydrolysis Fermentation

Methanogenesis
(B) Grit chamber
(B) Fermentation Hydrolysis

(C) Bar screen Methanogenesis

(D) Equalization tank (C) Hydrolysis Methanogenesis

Fermentation
24. In an activated sludge method used
(D) Methanogenesis Fermentation
for sewage treatment aeration is
Hydrolysis

done by : 26. In a nitrogen cycle denitrification

is :
(A) Natural aeration

(A) Organic matter Ammonia
(B) Surface mechanical aeration
(B) Ammonia Nitrites

(C) No aeration is required
(C) Nitrites Nitrates

(D) Surface and diffuse aeration (D) Nitrates Nitrogen

8

27. A regression line passing through 29. Tropical storms (cyclones) over the

Bay of Bengal & the Arabian Sea
zero will have intercept value of :
have a bimodal frequency having
(A) + 1
peaks during :

(B) + ·05 (A) Jan.-Feb. & March-May

(C) Zero (B) Dec.-Jan & March-April

(C) March-May & Oct.-Nov
(D) – 1

(D) July-August & April-May
28. A combination of numbers has
30. On the west coast the rainfall is
geometric mean as 6·0 and
heavy during south west monsoon

arithmetic mean as 6·3. These due to :

numbers are : (A) Decreases as we move westwards

(A) 6, 6, 6 (B) Increases over the Ghats & then

decreases westwards
(B) 5, 6, 8
(C) Increases westwards uniformly
(C) 4, 6, 9
(D) Decreases over the Ghats &

(D) None of the above then increases westwards

9 [P.T.O.

33. The Diluvial theory identified which
31. Severe thunderstorm known as

of the following factors as
Norwesters are common in............
responsible for the shaping of
during pre monsoon season.
today’s earth surface :

(A) Uttar Pradesh (A) Plate Tectonics

(B) Rajasthan (B) Glaciers

(C) The nature of the Earth’s orbit
(C) Assam & Bengal
around the sun

(D) Konkan & Goa
(D) Floods

32. Which one of the following is a
34. In oceanic oxygen isotope data,

strong electrophile ? more oxygen 18 indicates which of

the following conditions ?
(A) NO

(A) Warm temperatures
(B) NO+
(B) Cold temperatures

(C) NO2
(C) Snow enriched in oxygen 18

(D) NO2+ (D) Windy conditions

10

35. Activity of methanogens in 37. Which of the following may be

biomethanation digester is totally
responsible for a widening of recent

inhibited due to :
tree rings ?

(A) More oxygen (8 ppm)
(A) Aging of trees
(B) Neutral pH (6·8-7·2) of feedstock
(B) Increasing dry conditions
slurry

(C) Later, cooler springs
(C) Presence of syntrophic microbes

(D) Absence of oxygen (D) Increased atmospheric CO2

36. In order to use Tree rings to 38. The period during which the sun

reconstruct past environmental
lacned sun spots is referred to as

conditions, which of the following
the :
scales must be developed ?
(A) Milankovitch Mechanism
(A) Delta PDB

(B) Maunder Minimum
(B) Delta SMOW

(C) Year without a summer
(C) GISP Core

(D) Calibration Interval (D) Last ICE AGE

11 [P.T.O.

39. Passive solar heating technique can 41. Monsoon Depressions which are

common during S-W Monsoon
be used in building design in mid
season :
by latitude having :
(A) Form over NE Bay of Bengal
(A) Large windows facing South
(B) Form over Arabian sea

(B) Large windows facing North
(C) Form over South-East Bay of

(C) Small windows facing South Bengal

(D) Form over North Maharashtra
(D) Windows facing East or West
Gujrat coast

40. Arrange the following Greenhouse
42. The elongated and streamlined

gases in the increasing order of their ridges that look like an overturned

contribution to global warming : ship’s hull that are created by wind

abrasion are called :
(A) CH4, CO2, NOX
(A) Yardangs
(B) CH4, NOX, CO2
(B) Pediments

(C) NOX, CH4, CO2
(C) Inselbergs

(D) CO2, CH4, NOX (D) Buffes
12

43. The greatest recorded mass 45. The zone above water table that

extinction to affect Earth occurred contains both water and air within

at the end of................period.
the spore spaces of the rock sediment

(A) Cretaceous or soil is termed as :

(B) Tertiary
(A) zone of accumulation

(C) Peronian
(B) zone of saturation

(D) Jurassic
(C) zone of aeration

44. A beveled surface that slopes gently
(D) zone of wastage
seaward, formed by erosion and
46. The on-site monitoring data is
landward retreat of a sea cliff is

known as...................data.
termed as :

(A) secondary
(A) Plateau

(B) Wave-cut platform (B) primary

(C) Wave base (C) tertiary

(D) Table land (D) numerical

13 [P.T.O.

47. Which of the biota will suffer in the 49. Which of the following is not correct

for a major project ?
anoxic situation of the lake ?

(A) Substantial capital investment
(A) Floating
(B) Cover large area

(B) Surface
(C) Wide range impacts

(C) Benthic (D) Employ less numbers

(D) Peripheral 50. Which Article of the Indian

Constitution mentioned about the
48. Socio-economic Impact Assessment
ownership and control of the land
of proposed project can be best
resources of the country should be

interpreted by : so distributed as best to serve the

common good ?
(A) Absolute threshold value (ATV)

(A) Article 51
(B) Rational threshold value (RTV)
(B) Article 31

(C) Critical threshold value (CTV)
(C) Article 39

(D) Normal threshold value (NTV) (D) Article 21

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ROUGH WORK

15 [P.T.O.

ROUGH WORK

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