1.

Study the given flow chart about respiratory structures in different organisms. Identify the organisms P, Q, R and S and select the correct option.                      

A. P-Cockroach, Q-Tadpole, R-Pigeon, S-Earthworm                    
B. P-Grasshopper, Q-Fish, R-Frog, S-Amoeba                    
C. P-Spider, Q-Frog, R-Crab, S-Paramecium               
D. P-Mynah, Q-Snake, R-Penguin, S-Leech                      
Answer» C. P-Spider, Q-Frog, R-Crab, S-Paramecium               


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