Investigating Respiration Flashcards
1
Q
Name a piece of apparatus used to measure the rate of respiration.
A
Respirometer
2
Q
Suggest an ethical concern that should be considered when investigating the rate of respiration.
A
Any organisms used in the experiment, such as woodlice, should not be kept in the respirometer for too long, or they may run out of oxygen and die
3
Q
(Exam-style question)
A
4
Q
What is the purpose of using soda lime when investigating the rate of respiration?
A
It absorbs the carbon dioxide produced by the respiring organisms in the experiment
5
Q
What is the purpose of using cotton wool when investigating the rate of respiration?
A
To ensure the organisms do not touch the soda lime as it is corrosive
