MH SET 2011: 7 August, Paper II, Environmental Sciences
Text of page 1
AUG - 31211/II
Environmental Science
Paper II
Time Allowed : 75 Minutes] [Maximum Marks : 100
Note : This Paper contains Fifty (50) multiple choice questions, each question
carrying Two (2) marks. Attempt All questions.
1. In terms of concentration by volume, 4. Trade winds are found :
which of the following gases is more (A) between pole and 30º latitude
abundant in atmosphere :
(B) between pole and 60º latitude
(A) Ar
(C) between equator and 30º
(B) CO2 latitude
(C) NO2 (D) between 30º and 60º latitudes
(D) CH4 5. The most commonly used method for
2. Primary climatic zones are formed desalination/desalting of water
on the basis of : is :
(A) Temperature and rainfall (A) distillation
(B) Relative humidity (B) electrodialysis
(C) Range of temperature (C) flash evaporation
(D) Rainfall (D) reverse osmosis
3. The average value of solar insolation 6. The biggest source of hydrocarbons
(W/m2) at the earth’s surface is : in the atmosphere is :
(A) ~ 550 (A) petroleum burning
(B) ~ 250 (B) coal consumption
(C) ~ 350 (C) refuse burning
(D) ~ 1450 (D) wood burning
1 [P.T.O.
Text of page 2
AUG - 31211/II
7. Iodometry titration is used in 10. The metal considered as most toxic
estimation of : and most hazardous of the non-
radioactive substances used in the
(A) Total hardness
industry is :
(B) Dissolved oxygen
(A) Beryllium
(C) COD
(B) Chromium
(D) Chlorides
(C) Selenium
8. Hollow cathode lamp is used in
(D) Cadmium
which of the following analytical
11. Which of the following ecosystems
instruments :
has inverted ecological pyramid of
(A) HPLC biomass ?
(B) XRF (A) Forest
(C) GC (B) Pond
(D) AAS (C) Desert
9. Which one is not a biochemical (D) Soil
action of arsenic in human body ? 12. Which of the following is autotroph ?
(A) Coagulation of proteins (A) Aspergillus
(B) Complexation with enzymes (B) Plasmodium
(C) Uncoupling of phosphorylation (C) Spirogyra
(D) Inhibition of oxygen transport (D) Amoeba
2
Text of page 3
AUG - 31211/II
13. Translocation of carbonates in 16. The tropical cyclones are associated
with :
laterite soil is due to :
(A) Clockwise circulating strong
(A) Shrubs
winds in northern hemisphere
(B) Herbs (B) Storm surge
(C) Trees (C) Anti-clockwise circulating light
winds in southern hemisphere
(D) Grass
(D) Light and variable winds
14. The most important forest-product
17. Earthquake related damage is
for neighbouring population is :
mainly due to :
(A) Timber
(A) Body waves
(B) Grass (B) S-waves
(C) Gum (C) Surface waves
(D) Fruits (D) P-waves
18. Nearly....................of the global
15. Which of the following organisms is
fresh water is frozen in ice
nodulating nitrogen fixer ?
caps.
(A) Azotobacter
(A) 90%
(B) Rhizobium (B) 98%
(C) Anabaena (C) 80%
(D) Azospirillum (D) 95%
3 [P.T.O.
Text of page 4
AUG - 31211/II
22. 1 ppm rise in CO 2 levels in
19. Landslides are reported in Western
atmosphere corresponds to how
Ghats which are caused due to :
much carbon content ?
(A) Hot summer winds
(A) 1.2 Gtonnes
(B) Sea breeze
(B) 2.12 Gtonnes
(C) Heavy rains (C) 4.6 Gtonnes
(D) Land breeze (D) 11.2 Mtonnes
20. The term TM refers to : 23. For an ideal wind turbine the power
output varies with wind speed V as
(A) Thematic Mapping
proportional to :
(B) Temperature Mapping
(A) V
(C) Temperature Monitoring (B) V 2
(D) Total Mapping (C) V 3
21. The maximum theoretical efficiency (D) V 3/2
of a photo-voltaic (PV) cell is 24. Which of the following areas have
approximately : a maximum potential for geothermal
energy in India ?
(A) 5%
(A) Western Ghats
(B) 10%
(B) Ladakh
(C) 25%
(C) Punjab
(D) 45% (D) Pondicherry
4
Text of page 5
AUG - 31211/II
25. Biofuels are being increasingly used 28. Osmosis means :
as these are : (A) Flow of water from high to low
concentration of solute
(A) Less polluting and renewable
(B) Flow of solute from low
(B) More affordable
concentration to high
(C) Having more energy content concentration
(C) Flow of water from low to high
(D) Water efficient
concentration of solute
26. Which of the following indices is
(D) Flow of solute from high
employed in noise standards ? concentration of solute to low
concentration of solute
(A) L 10
29. Aceticlastic bacteria produce
(B) L eq
methane from :
(C) L dn (A) CO2
(D) L 90 (B) CH3COOH
27. The microbes inhabit marine (C) CO2 and H2
habitat due to their ability to grow (D) H2 and CO
at : 30. Which of the following is unique
parameter of biomass ?
(A) Neutral pH
(A) MLVSS
(B) Low water activity
(B) Sludge
(C) Low temperature (C) MLSS
(D) Alkaline pH (D) Total Solids
5 [P.T.O.
Text of page 6
AUG - 31211/II
31. ‘Leopold’ is an example of.............. . 34. The National Committee on
(A) Simple matrix Environmental Planning (NECPC)
was constituted in :
(B) Stepped matrix
(A) 1979
(C) Descriptive checklist
(D) Questionnaire checklist (B) 1972
32. The non-technical summary of EIA (C) 1982
is known as : (D) 1986
(A) Environmental Management 35. The World Summit was held at
System
Stockholm in 1972 under the title :
(B) Environmental Policy
(A) Human and Environment
(C) Environmental Impact
(B) Climate Change
Statement
(C) Population Explosion
(D) Environmental Audit
(D) Biodiversity
33. For impact identification in EIA
which technique is easy to use and 36. Transboundary movement of ivory
understand : products is banned by :
(A) Checklists (A) Forest Conservation Act
(B) Networks (B) Environment Protection Act
(C) Overlay maps (C) Indian Forest Act
(D) Mathematical models (D) Wildlife Protection Act
6
Text of page 7
AUG - 31211/II
37. The rate of solid waste generation 40. Carbon intensity means :
per capita per day by Indian (A) CO2 emissions/GDP
population is : (B) CO2 emissions/m2
(C) CO2 emissions per person
(A) 0.35 kg
(D) CO2 emissions
(B) 0.5 kg 41. The null hypothesis pertaining to
individual regression co-efficient is
(C) 0.2 kg
tested using................ .
(D) 1.5 kg (A) t-statistic
(B) F-statistic
38. Biomedical waste is hazardous due
(C) Chi-square statistic
to the presence of :
(D) Z-statistic
(A) Cellulosic matter 42. Bivariate correlation co-efficient
represents degree of................between
(B) Waste food
two variables.
(C) Pathogens (A) Difference
(B) Association
(D) Fruit waste
(C) Convergence
39. Public Insurance Liability Act was
(D) Divergence
enacted in the year : 43. Percentage variation in dependent
variable attributed to independent
(A) 1991
is reflected in the value of............. .
(B) 1987 (A) Correlation co-efficient
(B) Co-efficient of determination
(C) 1986
(C) Regression co-efficient
(D) 1996
(D) ‘t’ value
7 [P.T.O.
Text of page 8
AUG - 31211/II
44. For the large sample size ‘t’
48. Ramsar Convention is for protection
distribution approaches................. .
and conservation of :
(A) Normal distribution
(B) Poisson distribution (A) Wildlife
(C) Binomial distribution (B) Wetland
(D) F-distribution (C) Desert
45. Which of the following represents
(D) Atmospheric ozone
sample statistics ?
(A) µ 49. Which of the following groups of
(B) σ organisms can be used for
(C) x restoration of wasteland ?
(D) σ 2 (A) Blue green algae
46. Kyoto protocol envisages reduction
(B) Fungi
of CO2 emissions with reference to
1990 levels by which of the following (C) Heterotrophic bacteria
percentages :
(D) Protozoans
(A) 10.2
50. As per resolution of Johannesburg
(B) 5.2
Summit in year 2002, people not
(C) 15.8
having access to safe drinking water
(D) 25.5
and sanitation should be brought
47. Renewable sources of energy are
not very popular as they are not down by...................by the year 2015.
yet :
(A) 10%
(A) Efficient
(B) 25%
(B) Accessible
(C) 50%
(C) Acceptable
(D) Affordable (D) 75%
8
Text of page 9
AUG - 31211/II
ROUGH WORK
9 [P.T.O.
Text of page 10
AUG - 31211/II
ROUGH WORK
10Official key not published for this paper.
Page 1 of 10
Source: Savitribai Phule Pune University. Question paper published by Savitribai Phule Pune University.