Breathing and Gaseous Exchange GCE Revision Questions Biology
1. (a) What are the differences between aerobic and anaerobic respiration?
(b) How will you demonstrate a germinating seeds give off co2
(c) How is the structure of the leaf of a flowering plant suited for the exchange of gases.
2. (a) Withe the aid of diagrams, explain how in a mammal,
- oxygen reaches the lungs
- enter the blood streams
- is transported to the liver
3. (a) Distinguish between internal and external respiration.
(b) Describe the mechanism by which air is taken into and passed out of the lungs of a mammal.
(c) What are the characteristics of good respiratory surface.
4. (a) Describe the process of gas exchange in
- a fish
- a protozoan eg (amoeba)
(b) Describe an experiment to show that carbon dioxide is given out during respiration.
5. (a) Make a labelled diagram to show the respiratory system of a named mammal.
(b) How is this system adapted to carrying out its functions?
(c) State the main differences between inspired and expired air, and briefly account for this differences.
SEE ALSO
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Revision questions biology ordinary level for Students.
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Use of Biology revision questions.
Above questions are revision questions for "Breathing and gaseous exchange" for ordinary level (o level).
Candidates can use the above questions to prepare for the Cameroon General certificate of examination board GCE
The questions are not only for Cameroonians preparing for the gce but they are revision questions for all students world wide preparing for the GCE or any other Examination.
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