Heterotrophic Nutrition GCE Revision Questions Biology o level

Heterotrophic Nutrition GCE Revision Questions Biology

1. (a) Define the following terms:

• Digestion
• Absorption
• Assimilation

2. (a) What is dentition?

(b) Describe the dentition of

• a carnivore
• a herbivore with the aid of diagrams

(c) State five ways of caring for the teeth.

3. (a) Why is digestion necessary?

(b) Give an example of a food, which is rich in protein and show how you will demonstrate these facts by means of a test.

(c) Describe the parts played by the following in the digestion and absorption of protein in a mammal.

• Stomach
• Pancreas
• Small intestine

4. (a) List the food requirements of mammals.

(b) In what way are Herbivorous and carnivorous mammals adapted to their respective diets

(c) How does :

• a named protozoan and
• a named fungus obtain their supplies of nourishment.?

5. (a) What is a dental formula?

(b) Draw the structure of a named tooth.

(c) How are the dentition of herbivores and carnivores adapted to their various diets?

6. (a) How are herbivorous mammals eg, sheep or cows adapted to their various diets.

(b) Give an account of the digestion of rice and beans from the time it is ingested until when the final product are assimilated.

7. (a) Describe the chemical composition and biological function of carbohydrate.

(b) Give an account of Digestion of Carbohydrate in a named mammal.

(c) How is ileum adapted to perfome its function of absorbtion?

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 "Heterotrophic 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.