Bio Diversity Different Ecosystems MCQ

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09 Ban all pesticides, this means that 1. control on usage of pesticides 2. prevention of pesticides 3. promote eco friendly agricultural practices 4. stop biochemical factories

10 According to charles elton 1. carnivorse at the top of the pyramid 2. energy trapping at the top of the pyramid 3. no producers at the top of the pyramid 4. 1 and 3

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11 First tropic level of a ecological pyramid includes 1. primary consumers 2. secondary consumers 3. producers 4. tertiary consumers

12 The concept of ecological pyramid was first introduced by 1. charles elton 2. lindeman 3. slobodkin 4. steele

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13 One of the following determines the terrestrial ecosystem 1. rainfall 2. sunlight 3. temperature 4. all of the above

14 The % of the biomass is transferred from one tropic level to the next in a food chain 1. 100 2. 80-90 3. 10-20 4. 40-50

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