General Studies 2012 free model test 3- Part 4

General Studies 2012 free model test 3- Part 4

76. Identify the wetland given below which falls under the Ramsar Convention?

a) Kolkata

b) Chilka

c) Sambhar

d)  All of the above

Answer: d

77. Tropical regions have greater biodiversity because

a) speciation is genrally a function of time, unlike temperate regions subjected to frequent glaciations in the past, tropical latitudes have remained relatively undisturbed and have long evolutionary time for species diversification.

b) There is more solar energy available in tropics, which contributes to higher productivty,  This is turn might contribute indirectly to greater diversity

c) Tropical environments are less seasonal, relatively more constant and predictable.  Such constant environments promote niche specialization and lead to a greater species diversity

d) All  of the above

Answer: d

78. Biotic potential is

a) the sum total of all the external conditions within which an organism lives

b) the maximum possible rate of increase for a poulation of a species under ideal conditions

c) the maximum possible rate of increase for a population of a species under prevailing environmental conditions

d) the local physical and biological conditions, which an organism fills in an ecosystem

Answer: b

79. Tiger Species that live today are

a) Java Tiger in Indonesia; Indo-Chinese Tiger in China; Siberian Tiger in Uzbekistan; Indian Tiger

b) Java Tiger in Indonesia; Indo-Chinese Tiger around Thailand; Siberian Tiger in Russia; Indian Tiger

c) Siberian Tiger in Russia; Sumatra Tiger in Indonesia; Indo-Chinese Tiger around Thailand; Indian Tiger

d) Sumatra Tiger in Indonesia; Indo-Chinese Tiger around China; Siberian Tiger in Russia; Indian Tiger

Answer: c

80. Byssionosis is a disease associated with

a) Heart problem

b) Lung disease

c) Kidney disease

d) Mental disease

Answer: b

81. Which of the following are signifcant in maintaining the heat budget of the earth?

a) Nitrogen and Oxygen

b) Ozone and helium

c) Water Vapour

d) Water Vapour and Carbon Dioxide

Answer: b

82. Find out the correct statement:

1. Pollution control methods include collection, conversion, minimization and dispersal protocols

2. Crushing of coal and flotation of sulphides can eliminate the SO2 emission completely

3. The formation of nitrogen oxide can be suppressed by modifying the combustion process

a) 1

b) 2 and 3

c) 1 and 3

d) 1, 2 and 3

Answer: d

83. Detritus food chain is a type of relation between organisms in which

a) Food chain goes from dead organic matter into microorganism

b) Food chain goes from green plants to herbivores

c) Food chaing goes from green plants to carnivores

d) None of the above

Answer: a

84. What is the position of man in ecosystem?

a) Man has nothing to do with the ecosystem

b) Man may be necessary in an ecosystem

c) Man is most important in an ecosystem

d) None of the above is correct

Answer: c

85. The ratio between the energy flow at different points along the food chain, when expressed as eprcentages is called

a) Ecological gradient

b) Releative ratio of energy flow

c) Energy flow efficiency

d) Ecological efficiency

Answer: d

86. Which of the following correctly identifies an international strategy, its purpose and its intended outcome?

Strategy            Purpose             Outcome

a) Kyoto          To reduce       Reduction in UN

greehouse      radiation reaching

gas emission earth’s surface

b) Montreal     To reduce       Reduction in global

                        greenhouse   warming caused by

                        gas emission humans

c) Kyoto          To reduce       Reduction in global

                        production      warming caused by

ozone              humans

                        depleting

                        chemicals

d) Montreal     To reduce       Reduction in UV

                        production      radiation reaching

                        of ozone         earth’s surface

depleting       

chemicals

Answer: d

87. Which of the following is least likely to be an effect of global warming?

a) icnreased frequency of hurricanes

b) loss of fertile delta regions for agriculture

c) decreased rate of photosynthesis in vegetation

d) change in global patterns of precipitation

Answer: c

88. Which of the following best explains the dramatic changes in the composition of the atmosphere that made conditions suitable for the eventual development of life on land?

a) Ozone was produced by primitive marine organisms

b) Metazoans in the oceans produced atmosphereic oxygen

c) The amount of carbon dioxide in the atmosphere increased

d) Photochemical reactions in the upper atmosphere formed ozone

Answer: d

89. Which of the following practices is used to maintain an environmental flow?

a) Draining wetlands to reduce salinity levels in soils

b) Release of water from dams to maintain river ecosystems

c) Release of water from dams to maintain river ecosystems

d) Diversion of coastal rivers inland for use during droughts

Answer: c  

90. Our waterways are polluted by

a) Dumping used oil on the ground

b) leaking underground gasoline storage tanks

c) leaking of landfills

d) all of the above

Answer: d

91. What is visible air pollution called?

a) Chemvis Pollution

b) Smoglight

c) Rainbow Pollution

d) Photochemical Smog

Answer: d

92. All the plants, animals, and protests living in a forest make up a

a)   population

b)   community

c)   species

d)   phylum

Answer: b

93. Which one of the following is a pair of endangered species?

a)   Garden Lizard and Maxican poppy

b)   Rhesus monkey and Sal tree

c)   Indian Peacock and Carrot grass

d)   Hornbill and Indian Aconite

Answer: d

94. Genetic diversity in agricultural crops is threatened by

a)   introduction of high yielding varieties

b)   Intensive use of fertilizers

c)   extensive intercropping

d)   intensive use of biopesticides

Answer: c

95. Which of the following is not one of the major environment problems resulting from human interference in the nitrogen cycle?

a)   Stratospheric ozone depletion

b)   Increased acid rain

c)   Nitrous oxide release increases global warming

d)   Eutrophication

Answer: a

96. A term ‘biotype’ means

a)   All individuals having same phenotype

b)   All individuals having same genotype

c)   All individuals with different phenotype

d)   All individuals with different genotype

Answer: a

97. The definition of ‘Sustainable Development’ given by World Commission on Environment and Development is?

a)   Development that is necessary for the present and future generation to meet the need of the whole world.

b)   Development which meets needs of present generation consciously or unconsciously compromising or uncompromising to meet the needs of future generation.

c)   Development that meets the needs of the present without compromising the ability of future generations to meet their own needs

d)   None of the above

Answer: c

98. Which of the following Biosphere Reserves of India are included the UNESCO World Heritage List?

1. Nilgiri and Sunderbans

2. Nanda Devi and Nokrek

3. Gulf of Mannar and Nanda Devi

4. Agasthamalai and Kanchanjunga

a) 1 and 2

b) 1 and 3

c) 2 and 4

d) 1, 3 and 4

Answer: b

99. Plants that are unable synthesize their own food and are, therefore, dependent on other sources of food are called

a) Parasites

b) auxotrophs

c) chemotrophs0.

d) heterotrophs

Answer: d

100. Two national parks highly populated with one-horned rhinoceros are

a) Manas and Laokhowa

b) Kaziranga and Orang

c) Buracharpori and Kochmora

d) Kaziranga and Pabitro

Answer: d