NEET Exam Model Paper 9

Question : 60 of 180

Marks: +1, -0

Which of the following statement is incorrect?

In insects the gaseous exchange takes place directly between the outer atmosphere and tissues through the tracheal system
Gills are the most efficient of all respiratory organs due to counter current mechanism
In insects the body fluid does not circulate to distribute the gases to the cells. It merely serves as a stationary medium for exchange of gases
In earthworm parapodia help in respiration only.

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