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Solution


Q.

Read the passage given below and answer the following questions from (i) to (v):

Biosphere is a global ecosystem composed of living organisms and abiotic factors from which they derive energy and nutrients. The ecosystem is defined as the structural and functional unit of the biosphere comprising of living and non-living environment that interact by means of food chains and chemical cycles resulting in energy flow, biotic diversity, and material cycling to form a stable, self-supporting system.

 

(i) Which trophic level is incorrectly defined
1 Carnivores – secondary or tertiary consumers  
2 Decomposers – microbial heterotrophs  
3 Herbivores – primary consumers  
4 Omnivores – molds, yeast, and mushrooms  

Ans.

(4)