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Here you can prepare 11th Class Biology Chapter 13 Gaseous Exchange Test. Click the button for 100% free full practice test.
This online test contains MCQs about following topics:
Need of Respiration Gas Exchange - Advantages and Disadvantages of Gas Exchange in Air and Water - Gaseous Exchange in Plants - Respiratory Organs in Representative Aquatic and Terrestrial Animals - Mechanisms of Voluntary and Involuntary Regulation of Breathing - Transport of Respiratory Gases