26. Hot spots of biodiversity aree are with

1. 1. Little biodiversity

   
   
   

   2. Maximum biodiversity

   
   
   

   3. Maximum conservation

   
   
   

   4. Both a and c

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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27. Main cause of extinction of species from tropics is

1. 1. Soil erosion

   
   
   

   2. Pollution

   
   
   

   3. Deforestation

   
   
   

   4. Aforestation

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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28. Important components of biodiversity are

1. 1. Genetic diversity

   
   
   

   2. Species diversity

   
   
   

   3. Ecological diversity

   
   
   

   4. All of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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29. If at high attitudes, birds became rare, plants likely to disappear are

1. 1. Pine

   
   
   

   2. Orchids

   
   
   

   3. Oak

   
   
   

   4. Rhodo dendrons

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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30. Fish can survive inside a frozen lake, because

1. 1. Fish are warm blooded animals

   
   
   

   2. Fish hibernate in ice

   
   
   

   3. Water near the bottom does not freeze

   
   
   

   4. Ice is a good conductor of heat

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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