Autotrophic Nutrition GCE Revision Questions Biology
1. (a) Contrast the processes of respiration and photosynthesis.
(b) How is the carbohydrate produced during photosynthesis used by the plants i.e the fate of the carbohydrate produced during photosynthesis
(c) Describe an experiment to show that oxygen is produced during photosynthesis.
2. (a) Describe how photosynthesis occurs in a green leaf.
(b) What is the fate of carbohydrate produced during photosynthesis
(c) How would you test for a reducing sugar in Germinating seed?
3. (a) Distinguish between autotrophic and heterotrophic nutrition
(b) Describe an experiment to show that co2 is necessary for photosynthesis.
(c) What is the importance of photosynthesis in a living organism?
4. (a) What are the differences between respiration and photosynthesis.
(b) how would you demonstrate that co2 is produced during respiration in a small mammal.
(c) How is photosynthesis important in living organisms?
5. (a) Define the term photosynthesis?
(b) Explain how environmental factors affect the rate of photosynthesis.
(c) Describe a chemical test to prove the presence of
- proteins in beans
- reducing sugar in germinating maze seed.
6. (a) Give a balanced equation which summaries the process of photosynthesis.
(b) Describe in details an experiment which will demonstrate that light is needed for photosynthesis.
(c) What is the importance of photosynthesis to living organisms.
7. (a) Explain the process needed to prove that starch is present in green leaf.
(b) Explain how the leaves of flowering plants are adapted to perform their functions.
(c) Define the terms photosynthesis and heterotrophic nutrition as mode as nutrition so as to bring out their differences.
8. (a) Define the terms :
- photosynthesis
- chemosynthesis
(b) State the differences between photosynthesis and chemosynthesis
(c) Describe what happens to the carbohydrate to the leaf after photosynthesis has taken place.
(d) Why is glucose converted to starch after being manufactured?
9. (a) Describe how photosynthesis occurs in a green leaf.
(b) Describe an experiment to show that co2 is necessary for photosynthesis.
10. (a) Name ten macro-elements ( excluding phosphorous) which are required by plants for healthy growth.
(b) In what way is phosphorous important to plants?
(c) What symptoms can be observed in a plant growing in a soil deficient in phosphorous?
(d) Describe an experiment showing the importance of phosphorous in healthy growth of plants.
11. (a) Draw a large labeled diagram of the internal structure of a dicotyledon leaf
(b) How is the leaf adapted to its main function of nutrition and gaseous exchange?
(c) Outline an Equation to summarize the process of photosynthesis
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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 "Autotrophic Nutrition" 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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