Model MCQs for TDP (General/Honours) 3rd Semester Exam.
FOUNDATION-III
( ENVIRONMENTAL STUDIES )
1. _____ is a cold desert in India
[A] Thar
[B] Ladakh
[C] Ran of Kutch
[D] Bhopal
Answer is [B]
2. World Forest day is celebrated on
[A] 21 February
[B] 21 March
[C] 21 April
[D] 21 May
Answer is [B]
3. The presence of solid, liquid or gaseous compounds, which may not be normally present, or in excess concentration in the atmosphere is called
[A] Air pollution
[B] Water pollution
[C] Soil pollution
[D] Radioactive pollution
Answer is [A]
4. A food web is
[A] Like a food chain
[B] A set of interconnected food chains, illustrating the tropic relationships among species
[C] The set of prey species that are consumed by animals in an ecosystem
[D] The tropic (feeding) levels that can be observed in an ecosystem
Answer is [B]
5. Minute particles and liquid droplets are collectively called
[A] Convection current
[B] Ozone
[C] UV radiation
[D] Aerosols
Answer is [D]
6. A group of individuals of a plant or animal species, inhabiting a given area is called
[A] Biome
[B] Population
[C] Ecosystem
[D] Community
Answer is [B]
7. The head quarter of IUCN is located in
[A] Paris
[B] Geneva
[C] England
[D] Germany
Answer is [B]
8. Photosynthesis is found in
[A] Producers
[B] Decomposers
[C] Consumers
[D] Scavengers
Answer is [P]
9. Ideal conditions for a strong radiation inversion:
[A] Clear, calm, dry, winter night
[B] Clear, calm, moist, summer night
[C] Cloudy, calm, moist, winter night
[D] Cloudy, windy, moist, summer night
Answer is [A]
10. Rain water harvesting is a major method implemented for ______.
[A] Water Conservation
[B] Soil Conservation
[C] Forest conservation
[D] Ecological conservation
Answer is [A]
11. Ecological conservation
[A] 50 Microns
[B] 20 Microns
[C] 100 Microns
[D] 10 Microns
Answer is [C]
12. All the statements are correct regarding ecological succession except
[A] It is a random process
[B] Species diversity increases as succession proceeds
[C] The food chain relationships becomes more complex
[D] The role of decomposers becomes more and more important
Answer is [A]
13. How do red and blue light differ?
[A] Blue light has a higher speed of propagation.
[B] The wavelength of red light is longer.
[C] Red light has a higher intensity.
[D] Red and blue light have different directions of polarization.
Answer is [B]
14. Soil pollution is caused by
[A] Aerosol
[B] Ozone
[C] Acid rain
[D] PAN
Answer is [C]
15. The word Tsunami is derived from two Japanese words
[A] Tsu (big) and nami (flow)
[B] Tsu (harbour) and nami (wave)
[C] Tsu (big wave) and nami (wave)
[D] None of these
Answer is [B]
16. _____ refers to the phenomenon in that the organisms are exclusively restricted to a given area.
[A] Ecosystem
[B] Endemism
[C] Habitat
[D] Food web
Answer is [B]
17. The earth's radiative equilibrium temperature is:
[A] The temperature at which the earth is absorbing solar radiation and emitting infrared radiation at equal rates
[B] The temperature at which the earth is radiating energy at maximum intensity
[C] The average temperature the earth must maintain to prevent the oceans from freezing solid
[D] The temperature at which rates of evaporation and condensation on the earth are in balance
Answer is [A]
18. Which group of vertebrates comprises the highest number of endangered species?
[A] Mammals
[B] Fishes
[C] Birds
[D] Reptiles
Answer is [A]
19. The limitating factor in temperate and boreal forest is
[A] Nutrients
[B] Frost
[C] Oxygen
[D] Sunlight
Answer is [D]
20. Normally rain water is slightly
[A] Pure
[B] Acidic
[C] Toxic
[D] Oxidize
Answer is [B]
21. The Residential and Commercial wastes mainly consist of:
[A] Food wastes
[B] Card board
[C] Packaging materials
[D] None of the above
Answer is [C]
22. If we uncover half of the forest, covering of the earth, what crisis will be produced at most and at first?
[A] Some species will be extincted
[B] Population and ecological imbalance will rise up
[C] Energy crisis will occur
[D] Rest half forests will maintain this imbalance
Answer is [A]
23. The first Environmental Law in India was enacted in
[A] 1947
[B] 1950
[C] 1972
[D] 1982
Answer is [B]
24. Natural earthquakes are caused by ______.
[A] Earth's crust
[B] Deep seas
[C] Peak mountains
[D] Forests
Answer is [A]
25. Temperate forests occur in India in
[A] Indo-gangetic plains
[B] Himalayas
[C] Eastern India
[D] Southern peninsula
Answer is [B]
26. As it travels along the food chain, the concentration of DDT
[A] Increases
[B] Remains constant
[C] Decreases
[D] Fluctuates randomly
Answer is [A]
27. Water from springs contain dissolved ______ compounds which are used to cure some skin diseases.
[A] Nitric
[B] Carbon
[C] Oxide
[D] Sulphur
Answer is [D]
28. The earth's radiation is often referred to as ____ radiation, while the sun's radiation is often referred to as ______ radiation.
[A] Shortwave, longwave
[B] Shortwave, shortwave
[C] Longwave, shortwave
[D] Longwave, longwave
Answer is [C]
29. In recycling of mineral elements within an ecosystem, the responsible direct acing organism are called
[A] Decomposers
[B] Producers
[C] Primary consumers
[D] Secondary consumers
Answer is [A]
30. The Indian Parliament passed the Biodiversity Bill in the year ____
[A] 2000
[B] 2005
[C] 2002
[D] 2007
Answer is [C]
31. The largest brackish water lake situated in Asia is in Orissa. Which is the lake?
[A] Chilka lake
[B] Vembanad lake
[C] Woolar lakep>
[D] Dal lake
Answer is [A]
32. Wild life protection act was formulated during the period of ______.
[A] Lal Bahadur Shasthri
[B] Rajiv Gandhi
[C] Mrs. Indira Gandhi
[D] Morarji Desai
Answer is [C]
33. In pond ecosystem, the pyramid of biomass is
[A] Upright
[B] Inverted
[C] Spindle shaped
[D] None of these
Answer is [B]
34. The most abundant greenhouse gas in the earth's atmosphere:
[A] Carbon dioxide (CO2)
[B] Nitrous oxide (N2O)
[C] Water vapour (H2O)
[D] Methane (CH4)
Answer is [C]
35. Which tree is known as Coral tree?
[A] Quercus
[B] Dipterocarps
[C] Erythrina
[D] Zizypus
Answer is [C]
36. The undesirable change in physical, chemical or biological characteristics of air, land and water is referred as
[A] Pollutants
[B] Ecodestructions
[C] Pollution
[D] All of the above
Answer is [C]
37. Concept of ecological pyramids was proposed by
[A] Odum
[B] Clements
[C] Tansley
[D] Charles Elton
Answer is [D]
38. Commonly used radioactive isotopes in scientific research
[A] 14 C
[B] 125 I
[C] 32 P
[D] All of the above
Answer is [D]
39. World's first Teak Forest was planted in 1842 in Kerala. Identify the place.
[A] Wayanad
[B] Nilambur
[C] Silent Valley
[D] Nelliyampathy
Answer is [B]
40. The maintenance of relatively constant internal environment is called
[A] Homeostasis
[B] Exotherms
[C] Homeobox
[D] Endotherms
Answer is [A]
41. The portion of the earth and its environment which can support life is known as
[A] Crust
[B] Biosphere
[C] Exosphere
[D] Atmosphere
Answer is [B]
42. The most important reason why summers in the Southern Hemisphere are not warmer than summers in the Northern Hemisphere is that:
[A] The earth is closer to the sun in January
[B] The earth is farther from the sun in July
[C] Over 80% of the Southern Hemisphere is covered with water
[D] The sun's energy is less intense in the Southern Hemisphere
Answer is [C]
43. Which of the following is a nonrenewable energy resource?
[A] Solar
[B] Methane
[C] Hydroelectric
[D] Coal
Answer is [D]
44. The species that flower are called
[A] Gymnosperms
[B] Bryophytes
[C] Angiosperms
[D] Algae
Answer is [C]
45. Energy flow in ecosystem is
[A] Unidirectional
[B] Bidirectional
[C] Multidirectional
[D] None of the above
Answer is [A]
46. Green plants are absent in deep sea. Why?
[A] Light is absent
[B] High pressure
[C] Low temperature
[D] Great depth
Answer is [A]
47. Total amount of living material at the various trophic levels of a food chain is depicted by pyramids of
[A] Numbers
[B] Energy
[C] Biomass
[D] All of the above
Answer is [C]
48. The cause of Bhopal disaster is
[A] Methyl Alcohol
[B] Methyl Carbonate
[C] Methyl Iso Cyanate
[D] Methyl Sulphate
Answer is [C]
49. Which one of the following problems is not created by noise pollution?
[A] Diarrhoea
[B] Hypertension
[C] Deafness
[D] Irritation
Answer is [A]
50. Example for a bio-degradable polymer is
[A] Polyethylene
[B] Polypropylene
[C] Poly lactic acid
[D] Polyester
Answer is [C]
51. Which state proposed a ban on all types of polythene packing for the first time in India?
[A] Himachal Pradesh
[B] Madhya Pradesh
[C] Kerala
[D] Karnataka
Answer is [A]
52. Carbon sequestration is a strategy used to control
[A] Pollution
[B] Population explosion
[C] Desertification
[D] Global warming
Answer is [D]
53. When the air temperature increases, the saturation vapor pressure will:
[A] Increase
[B] Decrease
[C] Remain the same
[D] Vary over an increasingly broad range of values
Answer is [A]
54. What is lotic habitat?
[A] Standing or still water habitat
[B] Marine habitat
[C] Running water habitat
[D] Stagnant water
Answer is [C]
55. Some species of plants and animals are extremely rare and may occur only at a few locations are called
[A] Endemic
[B] Endangered
[C] Vulnerable
[D] Threatened
Answer is [B]
56. When the air is saturated, which of the following statements is NOT correct?
[A] The air temperature equals the wet-bulb temperature
[B] The relative humidity is 100 percent
[C] The air temperature equals the dew point temperature
[D] An increase in temperature will cause condensation to occur
Answer is [D]
57. The simplest aquatic ecosystem can be seen in a
[A] River
[B] Lake
[C] Pond
[D] Water Tank
Answer is [C]
58. Eravikulam National Park conserves
[A] Lion tailed macaque
[B] Tiger
[C] Elephant
[D] Nilgiri Tahr
Answer is [D]
59. Valuable, practical services that help to preserve ecosystem performed by nature are called
[A] Ecosystem service
[B] Biological control
[C] The green house effect
[D] Biosphere balancing
Answer is [A]
60. Fungi is/are
[A] Single-celled prokaryotes
[B] Phototrophic eukaryotes
[C] Eukaryotes single-celled and primitive multi-celled organisms
[D] Heterotrophic eukaryotes
Answer is [D]
61. ______is the degradation of land in arid, semi-arid and dry sub-humid areas.
[A] Land fertility
[B] Desertification
[C] Ecosystem
[D] Vegetation
Answer is [B]
62. Which of the following is a secondary pollutant
[A] CO2
[B] CO
[C] O3
[D] SO2
Answer is [C]
63. Utilisation of natural resources in moderate manner to remaining something for the next generation is termed as
[A] Resettlement
[B] Sustainable development
[C] Rehabilitation
[D] Mutual development
Answer is [B]
64. Study of inter-relationship between organisms and their environment is
[A] Ecology
[B] Ecosystem
[C] Phytogeography
[D] Ethology
Answer is [A]
65. The drug morphine is extracted from _____ plant
[A] Cocoa
[B] Belladonna
[C] Opium Poppy
[D] Tannin
Answer is [C]
66. The major reservoir of carbon is
[A] The atmosphere
[B] Ocean Bed
[C] Plant and animals
[D] Rock
Answer is [B]
67. An important reason for the large daily temperature range over deserts is:
[A] There is little water vapor in the air to absorb and re-radiate infrared radiation
[B] The light-colored sand radiates heat very rapidly at night
[C] Dry air is a very poor heat conductor
[D] Free convection cells are unable to form above the hot desert ground
Answer is [A]
68. The formation of ______ is the most characteristic feature in upper course of a river
[A] Landslide
[B] Canyons
[C] Gorges
[D] Waterfalls
Answer is [D]
69. Man made sources of radiation pollution are:
[A] Mining
[B] Explosion of nuclear weapons
[C] Nuclear fuels and preparation of radioactive isotopes
[D] All of the above
Answer is [D]
70. The areas where soil is washed away into streams, transported into rivers and finally lost to the sea are called
[A] Ecologically sensitive areas
[B] Grasslands
[C] Delta
[D] Biologically sensitive areas
Answer is [A]
71. Centre of Modern nuclear technology in India
[A] CRAS
[B] SARC
[C] BARC
[D] None of the above
Answer is [C]
72. Oil spills are a source of pollution for
[A] Water
[B] Land and water
[C] Land and air
[D] Air and noise
Answer is [B]
73. Percentage of forest area recommended by the the national forest policy for plains is
[A] 33%
[B] 67%
[C] 30%
[D] 0.1%
Answer is [A]
74. What is oil slick?
[A] Boiled oil
[B] Cooled oil
[C] Thin film of oil in sea water
[D] Oil in deep sea
Answer is [C]
75. The phenomenon of accumulation of non-biodegradable pesticides in human beings
[A] Biomagnification
[B] Bioaccumulation
[C] Biodegradation
[D] Bioremediation
Answer is [B]
76. Which of the following statements is not correct?
[A] The length of human hair changes as the relative humidity changes.
[B] During the winter, low relative humidity can irritate the mucus membranes in the nose and throat.
[C] The relative humidity is a measure of the air's actual water vapor content.
[D] A change in the air temperature can change the relative humidity.
Answer is [C]
77. Carbon monoxide is a pollutant because
[A] It reacts with O2
[B] It inhibits glycolysis
[C] Makes nervous system inactive
[D] Reacts with haemoglobin
Answer is [D]
78. The first national park of Kerala
[A] Aralam
[B] Kottayam
[C] Idukki
[D] Iravikulam
Answer is [D]
79. Green revolution is associated with
[A] Sericulture
[B] Agriculture
[C] Fish culture
[D] Silviculture
Answer is [B]
80. The Chipko movement is started by
[A] Engler
[B] Sunderlal Bahuguna
[C] Medha Padkar
[D] None of the above
Answer is [B]
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