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Flow of Energy in an Ecosystem:


An ecological system formed by the interaction of living organisms and their non-living environment is called…….
a) environment                   

b) ecosystem
c) reproductive system      

d) food pyramid 


How many kinds of living organisms are there in an ecosystem?
a) two    

b) three 

c) four   

d) six


Which of the following living organism/s is/are present in an ecosystem?
a) producers                         

b) consumers
c) decomposers                   

d) all of these


Which of the following has/have ability to produce their own food?
a) producers                       

b) consumers
c) decomposers                   

d) all of these


Which of the following organisms is/are included in producers?
a) plants                                               

b) fungi
c) algae                                 

d) both a and c