OBJECTIVE
Choose the correct
answer -
Q.1. The
main cause of ‘eutrophication’ of lakes is the enrichment of lake water with
(i) carbonaceous organic matter (ii) nutrients
(iii) chlorides (iv)
water hyacinth. (AKTU. - 2009-10)
Q.2 Out of the below listed greenhouse gases,
which one is entirely anthopogenic in origin ?
(a) Carbon dioxide (b) Methane
(c) Water Vapour (d)
CFCs. (AKTU. - 2010-11)
Q.3 Leachate is related with :
(a) Composting (b) Vermiculture
(c) Landfilling (d)
Recycling. (AKTU. - 2010-11)
Q.4 As pe solid waste Management Rule (2000),
the inert should be :
(a) Recycled (b) Disposed off into
landfills
(c) Composted
(d) Disposed off
into sea. (AKTU. - 2010-11)
Q.5 Match
List I with List II and select the correct sequence of answers using the codes
given below the lists
List I List II
A. Carbon monoxide 1. Acid rain
B. Carbon dioxide 2.
Ozone layer depletion
C. Chlorofluorocarbon 3. Asphyxiation
D. Sulphur dioxide 4. Green house
effect
Code A B
C D
(i) 3 4 1 2
(ii) 4 3
1 2
(iii) 3 4
2 1
(iv) 2 1
3 4 (AKTU. - 2009 - 10)
Fill in
the following blanks with suitable words.
Q.6 The unit of
measurement of sound pressure level is ____ (AKTU. - 2009-10)
Q.7 BOD stands for __________ (AKTU. - 2008-09)
Q.8 The
world AIDS Day is recalled on _______ (AKTU. - 2008-09)
Q.9 Acid rain is caused mainly is due to __________ gas in the
atmosphere. (AKTU. - 2008-09, 10 -11)
Q.10. Ozone concentration in the stratosphere is _______ ppm. (AKTU. - 2008-09)
Q.11. Chlorofluorocarbon
releases a chemical harmful to ozone is __________ (AKTU. - 2008-09)
Q.12. Greenhouse
effect is related to__________ (AKTU. - 2008-09)
Q.13. Green
plants are also called the ___________. (AKTU. - 2008-09)
Q.14. The El-Nino is a __________phenomenon of the pacific ocean.
Q.15. Acid rain, on precipitation, is defined as the one which has a pH
less than __________
Q.16. O + O2 + N2 __________
Q.17. CFC stands for __________
Q.18. _________ is related to global warming.
Q.19. The best known substance responsible for ozone layer depletion
_________
Q.20. The primary factor that governs the gas absorption by the plant
leaves is the degree of opening of the __________
Q.21. In chemical oxidation __________ are converted into ferric salts.
Q.22. __________ are required by plants and animals for maintaining
their growth and metabolism.
Q.23. __________ is required for the photosynthetic process in plants,
for respiration and production of nuclear DNA.
Q.24. D.O. stands for __________
Q.25. PCBs stands for __________
Q.26. COD stands for __________
Q.27. Unit of measurement of environmental noise pollution is __________
Q.28. A sound pressure level at 50 dB is__________ phons when heard at
1000 Hz.
Q.29. __________ means burning of the solid-wastes in properly
constructed hearth of furnaces.
Q.30. B.O.D. is measured in __________
Indicate
True or False for the following statements
Q.31. Environmental
Protection act (1986) was formulated after Bhopal Gas Tragedy. (AKTU. - 2010-11)
Q.32. Aluminium
(Al+++) can also cause hardness in water. (AKTU. - 2010-11)
Q.33. Anaerobic
digestion of sludge takes place in the presence of oxygen. (AKTU. - 2009 - 10)
Q.34. Gastroenteritis
is a water borne disease. (AKTU. - 2009 - 10)
Q.35. Pollution involves contamination, but contamination need not
constitute pollution.
Q.36. Power points are area sources of air pollutants.
Q.37. Ozone is a life saviour, if present in stratosphere, but a
pollutant, if present in troposphere
Q.38. Sulphur-mounting bacteria called ‘Seuephotobees’
Q.39. Rain water does
not create any land pollution.
(AKTU. - 2009 - 10)
Q.40. Only
legislation is not sufficient for the control of environmental pollution.. (AKTU. - 2009 - 10)
Q.41. Green marketing and eco-labeling are good strategies to protect
environment from products.
Q.42. Match the following -
Urea Bio-accumulation
Carbon dioxide Ozone
layer depletion
Chlorofluorocarbon Global
warming
DDT Eutrophication (AKTU. - 2015 - 16)
Ans. Urea Eutrophication
Carbon
dioxide Global warming
Chlorofluorocarbon Ozone
layer depletion
DDT Bio-accumulation
Choose the correct answer -
1. (ii) 2.(d) 3.(c) 4.(b) 5. (iii)
Fill in the blanks -
6. Phone
7. Biological Oxygen Demand
8. December 1, 2004
9. SOx and NOx
7. Biological Oxygen Demand
8. December 1, 2004
9. SOx and NOx
10. 8.0
11. Chlorine
12. Global Warming
13. Metaphytes or viridiplantae
14. Climatic
15. 5.6
16. O3 + N2
17. Chloroflurocarbon
18. Green House Effect
19. Chloro Fluro Carbons
20. Stomata
21. Ferrous salts
22. Chemical nutrients
23. Phosphorus
24. Dissolved Oxygen
25. Polychlorinated biphenyls
26. Chemical Oxygen Demand
11. Chlorine
12. Global Warming
13. Metaphytes or viridiplantae
14. Climatic
15. 5.6
16. O3 + N2
17. Chloroflurocarbon
18. Green House Effect
19. Chloro Fluro Carbons
20. Stomata
21. Ferrous salts
22. Chemical nutrients
23. Phosphorus
24. Dissolved Oxygen
25. Polychlorinated biphenyls
26. Chemical Oxygen Demand
27.
Decibel (dB)
28. 50
29. Incineration
30. Parts per million (ppm)
28. 50
29. Incineration
30. Parts per million (ppm)
True / False
31. True
32. True
33. False
34. True
32. True
33. False
34. True
35. True
36. False
37. True
38. True
39. True 36. False
37. True
38. True
40. True
41. True