SSC Ecology And Environment Sample Paper

done NCERT Sample Paper-6 Total Questions - 99    [Download]

• question_answer1)
  Pollution from animal excreta and organic waste from kitchen can be most profitably minimized by
  A)
   Storing them in underground storage tanks
  done clear
  B)
   Using them for producing biogas
  done clear
  C)
   Vermiculture
  done clear
  D)
   Using them directly as bio-fertilizers
  done clear
  View Answer play_arrow

• question_answer2)
  Chipko movement was commended in
  A)
   Uttaranchal      
  done clear
  B)
          Assam
  done clear
  C)
   Himachal Pradesh
  done clear
  D)
          Jammu and Kashmir
  done clear
  View Answer play_arrow

• question_answer3)
  Minamata and Itai-Itai disease are due to toxicity of
  A)
   Mercury arid tin
  done clear
  B)
   Mercury and cadmium
  done clear
  C)
   Mercury and lead
  done clear
  D)
   Mercury and strontium
  done clear
  View Answer play_arrow

• question_answer4)
  In which of the following pairs, the specific characteristic of a soil is not correctly matched?
  A)
   Terra Rossa - most suitable for roses
  done clear
  B)
   Black soil - rich in calcium carbonate
  done clear
  C)
   Chernozem - richest soil in the world
  done clear
  D)
   Laterite - contains aluminium compound
  done clear
  View Answer play_arrow

• question_answer5)
  The 10% energy transfer Saw of food chain was given by
  A)
   Stanley
  done clear
  B)
   Tansley
  done clear
  C)
   Lindemann      
  done clear
  D)
   Weismann
  done clear
  View Answer play_arrow

• question_answer6)
  The food chain, in which microorganisms breakdown the energy rich compounds synthesized by producers, is called
  A)
   Ecosystem
  done clear
  B)
   detritus food chain
  done clear
  C)
   Parasitic food chain
  done clear
  D)
   predator food chain
  done clear
  View Answer play_arrow

• question_answer7)
  Which of the following is a primary pollutant?
  A)
   \[CO\]             
  done clear
  B)
   \[HN{{O}_{3}}\]
  done clear
  C)
   \[{{H}_{2}}S{{O}_{4}}\]       
  done clear
  D)
   \[{{O}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer8)

  The Energy and Resources Institute (TERI) environmental survey, 2013 was conducted in six metres of India - Kolkata, Hyderabad, Chennai, Mumbai, Bangalore and Delhi NCR. Which of the following are main themes selected for this survey?

  1. Waste management

  2. Water management

  3. Overall environment

  4. Water quality and air quality

  Codes:
  A)
   1, 2 and 3        
  done clear
  B)
   Only 3
  done clear
  C)
   2 and 4
  done clear
  D)
   All of these
  done clear
  View Answer play_arrow

• question_answer9)
  What is the autotrophic component of an ecosystem?
  A)
   Sunlight           
  done clear
  B)
   herbivores
  done clear
  C)
   Green plants     
  done clear
  D)
   bacteria and fungi
  done clear
  View Answer play_arrow

• question_answer10)
  Synecology is the study of
  A)
   ecosystem
  done clear
  B)
   Single species only
  done clear
  C)
   Population of species
  done clear
  D)
   Communities of various species and genera
  done clear
  View Answer play_arrow

• question_answer11)
  In biotic community, which of the following can be called protective device?
  A)
   Mimicry           
  done clear
  B)
   symbiosis
  done clear
  C)
   Competition     
  done clear
  D)
   parasitism
  done clear
  View Answer play_arrow

• question_answer12)
  The antiknock agent added to unleaded petrol is
  A)
   tetraethyllead
  done clear
  B)
   Tetra methyl lead
  done clear
  C)
   dibromo-ethane
  done clear
  D)
   Methyl tertiary butyl ether (MTBE)
  done clear
  View Answer play_arrow

• question_answer13)
  Rapid decline in the population, due to high mortality rate, is called
  A)
   Population crash
  done clear
  B)
   mortality rate
  done clear
  C)
   Population explosion
  done clear
  D)
   population density
  done clear
  View Answer play_arrow

• question_answer14)
  Which of the following is not true for a species?
  A)
   Members of a species can be interbreed
  done clear
  B)
   Variations occur among the members of a species
  done clear
  C)
   Gene flow does not occur between the populations of a species
  done clear
  D)
   Each species is reproductively isolated from every other species
  done clear
  View Answer play_arrow

• question_answer15)
  Burning of plastics releases.
  A)
   CFC                
  done clear
  B)
   \[S{{O}_{2}}\]
  done clear
  C)
   benzopyrene     
  done clear
  D)
   PCB
  done clear
  View Answer play_arrow

• question_answer16)
  Which of the following is related with noise pollution?
  A)
   Buses  
  done clear
  B)
   trains
  done clear
  C)
   Aeroplanes       
  done clear
  D)
          all of these
  done clear
  View Answer play_arrow

• question_answer17)
  What is the intensity of sound in normal conversation?
  A)
   10-20 dB         
  done clear
  B)
   40-60 dB
  done clear
  C)
   90-120 dB       
  done clear
  D)
   120-150 dB
  done clear
  View Answer play_arrow

• question_answer18)

  The National Plan for Conservation of Aquatic (NPCA) Ecosystems is the merger of which of the following plans and programmes?

  1. National Lake Conservation

  2. National Wetlands Conservation Programme

  3. National Aquatic Programme

  4. National Rivers / Lakes Conservation Plan

  Codes:
  A)
   1 and 4
  done clear
  B)
   3 and 4
  done clear
  C)
   1 and 2
  done clear
  D)
   2 and 4
  done clear
  View Answer play_arrow

• question_answer19)
  Strengthening of concept of environmental monitoring is due to concern for the
  A)
   Quality of environment
  done clear
  B)
   Quantity of environment
  done clear
  C)
   Quality of monitoring
  done clear
  D)
   Pure air
  done clear
  View Answer play_arrow

• question_answer20)
  Non-ionising radiations damage the DNA, are
  A)
   X-rays 
  done clear
  B)
   UV-rays
  done clear
  C)
   p-rays
  done clear
  D)
   y-rays
  done clear
  View Answer play_arrow

• question_answer21)
  Ionising radiation includes
  A)
   X-rays 
  done clear
  B)
   y-rays
  done clear
  C)
   a-particles        
  done clear
  D)
   all of these
  done clear
  View Answer play_arrow

• question_answer22)
  IRRI proposed one of the following for the prevention of fertilizers pollution in agriculture
  A)
   Trickling filter method    
  done clear
  B)
   mudball technique
  done clear
  C)
   Both [a] and [b]
  done clear
  D)
          none
  done clear
  View Answer play_arrow

• question_answer23)
  Which of the following cause lung disease?
  A)
   Cotton mills                 
  done clear
  B)
   Nuclear reactors
  done clear
  C)
   Petroleum refineries       
  done clear
  D)
   Thermal power plants
  done clear
  View Answer play_arrow

• question_answer24)
  The most hazardous metal pollutant of automobile exhaust is
  A)
   Lead               
  done clear
  B)
   copper
  done clear
  C)
   Mercury
  done clear
  D)
   cadmium
  done clear
  View Answer play_arrow

• question_answer25)
  In a comparative study of grassland ecosystem and pond ecosystem it may be observed that
  A)
   The abiotic components are almost similar
  done clear
  B)
   The biotic components are almost similar
  done clear
  C)
   Both biotic and abiotic components are different
  done clear
  D)
   Primary and secondary consumers are similar
  done clear
  View Answer play_arrow

• question_answer26)
  Which one of the following is the correctly matched pair of an endangered animal and a National Park?
  A)

  Great Indian Bustard

  Keoladeo National Park

  done clear
  B)

  Lion	Corbett National Park

  done clear
  C)

  Rhinoceros

  Kaziranga Park

  done clear
  D)

  Wild ass

  Dudhwa National Park

  done clear
  View Answer play_arrow

• question_answer27)
  Which among the following is an air pollution indicator?
  A)
   Algae  
  done clear
  B)
   lichen
  done clear
  C)
   Fungi   
  done clear
  D)
          ferns
  done clear
  View Answer play_arrow

• question_answer28)
  Some effects of sulphur dioxide and its transformation products on plants include
  A)
   Plasmolysis         
  done clear
  B)
         golgi body destruction
  done clear
  C)
   Protein dis-integration    
  done clear
  D)
   Chlorophyll destruction
  done clear
  View Answer play_arrow

• question_answer29)
  Which of the following is considered a hot-spot of biodiversity in India?
  A)
   Aravalli Hills
  done clear
  B)
   Western Ghats
  done clear
  C)
   Indo-Gangetic Plain
  done clear
  D)
   All of the above
  done clear
  View Answer play_arrow

• question_answer30)
  Environment Impact Assessment is an objective analysis of the probable changes in
  A)
   Physical characteristics of the environment
  done clear
  B)
   Bio-physical characteristics of the environment
  done clear
  C)
   Socio-economic characteristics of the environment
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer31)
  Afforestation, with regard to urban development, is called
  A)
   Social forestry
  done clear
  B)
   Land management
  done clear
  C)
   Integrated forest management
  done clear
  D)
   Both '1' and '2'
  done clear
  View Answer play_arrow

• question_answer32)
  Afforestation (planting of tree in new areas) is done by
  A)
   Eucalyptus       
  done clear
  B)
   bamboos
  done clear
  C)
   Exotic species
  done clear
  D)
   indigenous plants
  done clear
  View Answer play_arrow

• question_answer33)
  Stratification can be observed in
  A)
   Desert  
  done clear
  B)
   tundra
  done clear
  C)
   Tropical forest
  done clear
  D)
   temperate forest
  done clear
  View Answer play_arrow

• question_answer34)
  Rhododendron is the characteristic vegetation of
  A)
   Tropical zone    
  done clear
  B)
   alpine zone
  done clear
  C)
   gangetic plains
  done clear
  D)
   mangrove belt
  done clear
  View Answer play_arrow

• question_answer35)
  Alpine tundra is found in
  A)
   Himalayas
  done clear
  B)
   Siberia
  done clear
  C)
   Andamans       
  done clear
  D)
   Tropic
  done clear
  View Answer play_arrow

• question_answer36)
  Soil transported by air is called
  A)
   aeolian
  done clear
  B)
   alluvial
  done clear
  C)
   Aerial  
  done clear
  D)
   residual
  done clear
  View Answer play_arrow

• question_answer37)
  The water of soil available to plants, is called
  A)
   echard 
  done clear
  B)
   hollard
  done clear
  C)
   chresard           
  done clear
  D)
          all of these
  done clear
  View Answer play_arrow

• question_answer38)
  The term "steppe" is generally associated with which of the following bioregions?
  A)
   Grasslands       
  done clear
  B)
   Tropical Forests
  done clear
  C)
   Savanna          
  done clear
  D)
   Coniferous Forests
  done clear
  View Answer play_arrow

• question_answer39)
  Loss of relative biological equilibrium is due to
  A)
   Pollution          
  done clear
  B)
   radiation
  done clear
  C)
   High temperature
  done clear
  D)
   low temperature
  done clear
  View Answer play_arrow

• question_answer40)
  Overgrazing will result in
  A)
   Rill erosion       
  done clear
  B)
   sheet erosion
  done clear
  C)
   Gully erosion    
  done clear
  D)
   positive pollution
  done clear
  View Answer play_arrow

• question_answer41)
  In India, the percentage of land under forest cover is about?
  A)
   20%                
  done clear
  B)
   21%
  done clear
  C)
   22%                
  done clear
  D)
   23%
  done clear
  View Answer play_arrow

• question_answer42)
  An ecosystem does not generally alter because it is in a state of
  A)
   Balance           
  done clear
  B)
          Imbalance
  done clear
  C)
   Homeostasis     
  done clear
  D)
          Deficient components
  done clear
  View Answer play_arrow

• question_answer43)
  Snake in a food chain generally belongs to
  A)
   Saprophytes
  done clear
  B)
   top consumers
  done clear
  C)
   Second consumers
  done clear
  D)
   primary consumers
  done clear
  View Answer play_arrow

• question_answer44)
  In a National Park, protection is provided to
  A)
   Entire Ecosystem
  done clear
  B)
   Flora and Fauna
  done clear
  C)
   Fauna Only      
  done clear
  D)
   Flora Only
  done clear
  View Answer play_arrow

• question_answer45)
  Energy enters into the ecosystem through
  A)
   Producers         
  done clear
  B)
   herbivores
  done clear
  C)
   Carnivores       
  done clear
  D)
   decomposers
  done clear
  View Answer play_arrow

• question_answer46)
  If bamboo plant is growing in a far forest, then what will be its trophic level?
  A)
   First                
  done clear
  B)
   second
  done clear
  C)
   Third               
  done clear
  D)
   fourth
  done clear
  View Answer play_arrow

• question_answer47)
  What is a Green Index?
  A)
   It measures nation's wealth according to GNP per capita
  done clear
  B)
   It measures nation's wealth according to GDP per capita
  done clear
  C)
   It measures nation's wealth according to provisions of control on Green House gases
  done clear
  D)
   It measures nation's wealth in terms of coverage of forest area.
  done clear
  View Answer play_arrow

• question_answer48)
  Mangrove forests are found in
  A)
   Hilly areas       
  done clear
  B)
   laterite soil
  done clear
  C)
   Estuaries          
  done clear
  D)
   arid regions
  done clear
  View Answer play_arrow

• question_answer49)
  Which among the following is likely to have the highest levels of DDT depositions in its body?
  A)
   Eel                  
  done clear
  B)
   crab
  done clear
  C)
   Sea gull           
  done clear
  D)
   phytoplankton
  done clear
  View Answer play_arrow

• question_answer50)
  In a terrestrial ecosystem such as forest, maximum energy is in which trophic level?
  A)
   \[{{T}_{1}}\]                          
  done clear
  B)
   \[{{T}_{2}}\]
  done clear
  C)
   \[{{T}_{3}}\]              
  done clear
  D)
   \[{{T}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer51)
  The type of forest mainly found in India is
  A)
   Sub tropical deciduous
  done clear
  B)
   Tropical moist deciduous
  done clear
  C)
   Tropical deciduous
  done clear
  D)
   Temperate deciduous
  done clear
  View Answer play_arrow

• question_answer52)
  Succulent xerophytes are found in
  A)
   Desert  
  done clear
  B)
   tundra
  done clear
  C)
   tanga  
  done clear
  D)
   tropical rain forest
  done clear
  View Answer play_arrow

• question_answer53)
  The number of primary producers, within a specified area, would be maximum in which of the following ecosystem?
  A)
   Pond   
  done clear
  B)
   Forest
  done clear
  C)
   Desert  
  done clear
  D)
   Grassland
  done clear
  View Answer play_arrow

• question_answer54)
  What is India's ranking at the first ever Environment and Gender Index (EGI), launched at a side event of the Conference of Parties (CoP 19), which was held in Warsaw, Poland from November 11 to 23, 2013?
  A)
   50                   
  done clear
  B)
   46
  done clear
  C)
   47                   
  done clear
  D)
   49
  done clear
  View Answer play_arrow

• question_answer55)
  Which among the following species is/are endangered in India?
  A)
   Rauvolfia Serpentina
  done clear
  B)
   Taxus Baccata
  done clear
  C)
   Nepenthes        
  done clear
  D)
   all the three
  done clear
  View Answer play_arrow

• question_answer56)
  Opalina lives in the rectum of a frog. It is an example of
  A)
   Symbiosis        
  done clear
  B)
   parasitism
  done clear
  C)
   Commensalism
  done clear
  D)
   proto-cooperation
  done clear
  View Answer play_arrow

• question_answer57)
  Parameter for describing a population is
  A)
   Time   
  done clear
  B)
   number and kind
  done clear
  C)
   Space or area
  done clear
  D)
   all of these
  done clear
  View Answer play_arrow

• question_answer58)
  Edaphology is the relationship between
  A)
   Soil and biosphere
  done clear
  B)
   Animal and ecosystem
  done clear
  C)
   Plant and biosphere
  done clear
  D)
   Soil and living organisms
  done clear
  View Answer play_arrow

• question_answer59)
  The population of an area tends to decrease by
  A)
   Migration         
  done clear
  B)
   mortality
  done clear
  C)
   Immigration     
  done clear
  D)
   mutation
  done clear
  View Answer play_arrow

• question_answer60)
  The lion tailed monkeys Macaca Silenus are found only in these regions
  A)
   Kaziranga and other parts of Assam
  done clear
  B)
   Eastern Ghats and Madras
  done clear
  C)
   Western Ghats including Travancore-Mysore
  done clear
  D)
   Himalayan mountains
  done clear
  View Answer play_arrow

• question_answer61)
  Which of the following statement is true regarding individuals of same species?
  A)
   They are interbreeding
  done clear
  B)
   They live in same niche
  done clear
  C)
   They live in different niche
  done clear
  D)
   They live in different habitat
  done clear
  View Answer play_arrow

• question_answer62)
  Species, characterized by circular or looped geographical distributions, are known as
  A)
   Sub-species      
  done clear
  B)
   ring species
  done clear
  C)
   Sibling species
  done clear
  D)
   obligate species
  done clear
  View Answer play_arrow

• question_answer63)

  Consider the following statements.

  1. Methane is 20 times more effective than carbon dioxide as a greenhouse gas.

  2. Carbon monoxide, nitrous oxide, water vapours are some of the highly potent greenhouse gases.

  3. In Carbon credits trading by volume, china is the world leader. Which of the above statements is/are correct?

  A)
   1, 2, 3 
  done clear
  B)
   2, 3
  done clear
  C)
   1, 2     
  done clear
  D)
   1, 3
  done clear
  View Answer play_arrow

• question_answer64)
  Kashmir stag (hangul) is
  A)
   Panthera Pardus 
  done clear
  B)
           Moschus Moschiferus
  done clear
  C)
   Cervus Elaphus Hanglu   
  done clear
  D)
   Macaca Silenus
  done clear
  View Answer play_arrow

• question_answer65)
  Which bird is the symbol of Bombay Natural History'?
  A)
   Horn bill          
  done clear
  B)
   Spoon bill
  done clear
  C)
   Egret               
  done clear
  D)
   Sun bird
  done clear
  View Answer play_arrow

• question_answer66)
  Carbon dioxide is called green-house gas because it is:
  A)
   Used in green-house to increase plant growth
  done clear
  B)
   Transparent to heat but traps sunlight
  done clear
  C)
   Transparent to sunlight but traps heat
  done clear
  D)
   Transparent to both sunlight and heat
  done clear
  View Answer play_arrow

• question_answer67)
  When ecological succession begins, the domineering are
  A)
   Pioneer species
  done clear
  B)
   keystone species
  done clear
  C)
   Climax species
  done clear
  D)
   invader species
  done clear
  View Answer play_arrow

• question_answer68)
  In India, Red Panda is
  A)
   Critically Endangered
  done clear
  B)
   Endangered
  done clear
  C)
   Vulnerable
  done clear
  D)
   Near Threatened
  done clear
  View Answer play_arrow

• question_answer69)
  Ozone hole was first discovered over
  A)
   Arctic  
  done clear
  B)
   Antarctic
  done clear
  C)
   Tropic 
  done clear
  D)
   Polar region
  done clear
  View Answer play_arrow

• question_answer70)
  Which one of the following is not a device used to control a paniculate matter?
  A)
   Arresters          
  done clear
  B)
   Scrubbers
  done clear
  C)
   Filters  
  done clear
  D)
   Incinerator
  done clear
  View Answer play_arrow

• question_answer71)

  Which of the following statements is/are correct about" the 'Climate Change and India: a 4x4 assessment', a report released by the Union ministry of Environment and Forests (MoEF)?

  I. The report has the Himalayan region, the North-East, the Western Ghats and the Coastal areas as its focus areas

  II. The report has been prepared by the Delhi based Centre for Science and Environment (CSE)

  III. The report forecasts' the impact of climate change on agriculture, water, health and forests in four eco-sensitive regions

  A)
   I only  
  done clear
  B)
   I and II only
  done clear
  C)
   II only 
  done clear
  D)
   I and III only
  done clear
  View Answer play_arrow

• question_answer72)
  In a pyramid of numbers, in a grassland ecosystem, the largest population is that of
  A)
   Producers           
  done clear
  B)
      Tertiary consumers
  done clear
  C)
   Secondary consumers    
  done clear
  D)
   Primary consumers
  done clear
  View Answer play_arrow

• question_answer73)
  Chemicals released by certain organisms that provide adaptive advantage to the emitters (producers) are called
  A)
   Kairomones      
  done clear
  B)
   Allomones
  done clear
  C)
   Hormones        
  done clear
  D)
   Pheromones
  done clear
  View Answer play_arrow

• question_answer74)
  A balanced ecosystem is one in which the
  A)
   Number of organisms at all levels is equal
  done clear
  B)
   Amount of energy synthesized and utilized is equal
  done clear
  C)
   Amount of biomass at all trophic levels is equal
  done clear
  D)
   Organisms are interdependent on each other
  done clear
  View Answer play_arrow

• question_answer75)
  Which among the following is the best way to conserve plant diversity of an area?
  A)
   Seed Banks      
  done clear
  B)
   Tissue Culture
  done clear
  C)
   Botanical Garden
  done clear
  D)
   Biosphere Reserve
  done clear
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• question_answer76)
  Which of the following organisations publish the "Red Data Book"?
  A)
   Convention on International Trade in Endangered Species of Wild Fauna and Flora
  done clear
  B)
   National Biosphere Action Commission
  done clear
  C)
   International Union for Conservation of Nature
  done clear
  D)
   National Environmental Research Institute
  done clear
  View Answer play_arrow

• question_answer77)
  A In a food chain members of successive higher levels are fewer in number. R. Number of organisms at any trophic level depends upon the availability of organisms which serve as food at the lower level.
  A)
   A is correct and R is its explanation.
  done clear
  B)
   A is correct but R is not its explanation.
  done clear
  C)
   A is correct and R is wrong
  done clear
  D)
   A is wrong and R is correct
  done clear
  View Answer play_arrow

• question_answer78)
  Which among the following nations ratified the Kyoto Protocol in late 2004?
  A)
   USA                
  done clear
  B)
   Russia
  done clear
  C)
   Japan  
  done clear
  D)
   France
  done clear
  View Answer play_arrow

• question_answer79)
  Which of the following is expected to have the highest value \[(gm/{{m}^{2}}/yr)\] in a grassland ecosystem?
  A)
   Secondary Production
  done clear
  B)
   Tertiary Production
  done clear
  C)
   Gross Production (GP)
  done clear
  D)
   Net Production (NP)
  done clear
  View Answer play_arrow

• question_answer80)
  Inverted pyramid of biomass can be traced in one of the following ecosystems.
  A)
   Rain forest       
  done clear
  B)
   Desert
  done clear
  C)
   Ocean 
  done clear
  D)
   Tundra
  done clear
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• question_answer81)
  India is a party to the Ramsar Convention and has declared many areas as Ramsar Sites. Which of the following statement best describes as to how we should maintain these sites in the context of this convention?
  A)
   Keep all the sites completely inaccessible to man so that they will not be exploited
  done clear
  B)
   Conserve all the sites through ecosystem approach and permit tourism and recreation only
  done clear
  C)
   Conserve all the sites through ecosystem approach for a period without any exploitation, with specific criteria and specific period for each site, and then allow sustainable use of them by future generations
  done clear
  D)
   Conserve all the sites through ecosystem approach and allow their simultaneous sustainable use
  done clear
  View Answer play_arrow

• question_answer82)
  In a food chain, an animal starts occupying at which tropic level
  A)
   1st                  
  done clear
  B)
   2nd
  done clear
  C)
   Intermediate     
  done clear
  D)
   3rd
  done clear
  View Answer play_arrow

• question_answer83)
  The primary source of energy to ecosystem is
  A)
   ATP                
  done clear
  B)
   Glucose
  done clear
  C)
   Sunlight           
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer84)
  In almost all Indian metropolitan cities like Delhi, the major atmospheric pollutant(s) is/are
  A)
   Suspended particulate matter (SPM)
  done clear
  B)
   Oxides of sulphur
  done clear
  C)
   Carbon dioxide and carbon monoxide
  done clear
  D)
   Oxides of nitrogen
  done clear
  View Answer play_arrow

• question_answer85)
  Which one of the following is the correctly matched pair of a vulnerable/endangered animal and a National Park?
  A)

  Great Indian Bustard

  Bandipur National Park

  done clear
  B)

  Lion	Corbett National Park

  done clear
  C)

  Rhinoceros

  Kaziranga National Park

  done clear
  D)

  Wild ass

  Dudhwa National Park

  done clear
  View Answer play_arrow

• question_answer86)
  After exponential increase, population growth declines and stagnates. The growth curve is
  A)
   S-shaped
  done clear
  B)
   J-shaped
  done clear
  C)
   Straight line      
  done clear
  D)
   circular
  done clear
  View Answer play_arrow

• question_answer87)
  Genetic drift operates in only populations
  A)
   Island  
  done clear
  B)
   smaller
  done clear
  C)
   Larger 
  done clear
  D)
   Mendeliari
  done clear
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• question_answer88)

  Consider the following statements:

  I. India is the second fastest growing country in the G-20, with reference to investments in renewable energy.

  2. The national solar mission aims at deploying 20,000 MW of solar power by year 2022.

  3. Cost of solar power per unit is less than the wind power. Which of the above statements are correct?

  A)
   1, 2                 
  done clear
  B)
   1, 3
  done clear
  C)
   1, 2, 3 
  done clear
  D)
   2, 3
  done clear
  View Answer play_arrow

• question_answer89)
  Which among the following nations has the largest installed Solar Power capacity in the world?
  A)
   Germany         
  done clear
  B)
          China
  done clear
  C)
   Italy    
  done clear
  D)
   Japan
  done clear
  View Answer play_arrow

• question_answer90)
  Mycobiont and phycobiont association is
  A)
   Symbiotic        
  done clear
  B)
   commensal
  done clear
  C)
   Parasitic          
  done clear
  D)
   helotism
  done clear
  View Answer play_arrow

• question_answer91)
  Ecological footprint is:
  A)
   The amount of green-house gases that would be emitted from sustenance of a given population
  done clear
  B)
   It's the measure of the human demand on the earth's ecosystem.
  done clear
  C)
   It's the measure of the damage which ecosystem sustains.
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer92)
  Acid rain is due to increase in atmospheric concentration of
  A)
   Ozone and dust
  done clear
  B)
   \[C{{O}_{2}}\] and \[CO\]
  done clear
  C)
   \[S{{O}_{3}}\] and \[CO\]
  done clear
  D)
   \[S{{O}_{2}}\] and \[N{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer93)
  An epiphytic lichen is a good indicator of a number of pollutants of them the most famous is
  A)
   \[S{{O}_{2}}\]            
  done clear
  B)
   \[C{{O}_{2}}\]
  done clear
  C)
   \[CO\]             
  done clear
  D)
   \[N{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer94)
  Which of the following is important in water cycle?
  A)
   Transpiration through leaves
  done clear
  B)
   Evaporation from ocean
  done clear
  C)
   Percolation of water into the ground
  done clear
  D)
   Absorption of capillary water by plants
  done clear
  View Answer play_arrow

• question_answer95)
  The destruction of the ozone layer primarily occurs in the
  A)
   Mesosphere
  done clear
  B)
   Thermospheres
  done clear
  C)
   Stratosphere
  done clear
  D)
   Troposphere
  done clear
  View Answer play_arrow

• question_answer96)
  One of the greenhouse gases, CH4, is produced by
  A)
   Decomposition of dead organic matter
  done clear
  B)
   Decomposition in paddy fields
  done clear
  C)
   Industries
  done clear
  D)
   Water pollution
  done clear
  View Answer play_arrow

• question_answer97)
  Organisms which make their own food are called:
  A)
   Heterotrophs    
  done clear
  B)
   autotrophs
  done clear
  C)
   auxotrophs       
  done clear
  D)
   saprotrophs
  done clear
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• question_answer98)
  Which among the following is a secondary pollutant
  A)
   Sulphur Dioxide
  done clear
  B)
   Radon
  done clear
  C)
   Carbon Monoxide
  done clear
  D)
   Sulphuric Acid
  done clear
  View Answer play_arrow

• question_answer99)
  Protection of ozone is related to which of the following?
  A)
   Montreal Protocol-1987
  done clear
  B)
   Kyoto Protocol-1997
  done clear
  C)
   Ramsar Convention -1974
  done clear
  D)
   Basal Convention-1980
  done clear
  View Answer play_arrow