Dont panic, the question is not about the Cuckoopint flowers that you have never heard of, its about aerobic respiration, mitochondria, oxygen consumption - all of which are topics that you are familiar with.
The second part is about the concepts of experimental design. What are you changing? How will you control the other variables? What are you measuring? What will you repeat? How will you treat the data and display it? What might be the control experiment (not the controlled variable)
When you look at the hypothesis - the word volatile should leap out at you.
(of a substance) easily evaporated at normal temperatures."volatile solvents such as petroleum ether, hexane, and benzene"