106. All the populations of different species that occupy and are adapted to a given area, are referred to as a(n).................

1. 1. Ecosystem

   
   
   

   2. Community

   
   
   

   3. Biosphere

   
   
   

   4. Niche

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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107. All of the organisms living in a particular area make up ....................

1. 1. A food chain

   
   
   

   2. A population

   
   
   

   3. A biological community

   
   
   

   4. A biosphere

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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108. An organism's "trophic" level refers to ................

1. 1. The rate of which it uses energy

   
   
   

   2. Where it lives

   
   
   

   3. What is eats

   
   
   

   4. Whether it is early or late in ecological succession

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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109. Project Tiger, a programme to maintain a viable population of tigers in the country and to chalk out areas for their habitat, was launched in the year

1. 1. 1975

   
   
   

   2. 1973

   
   
   

   3. 1974

   
   
   

   4. 1971

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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110. Climate change may have an impact on the following :

1. 1. Agriculture, natural terrestrial ecosystems and water resources

   
   
   

   2. Air quality, oceans and coastal zones

   
   
   

   3. Energy and human health

   
   
   

   4. All of the above

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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