Dissect the provided specimen M in the usual way and display the digestive system. Deflect the alimentary canal to the left-hand side of the specimen and answer the following questions: a) Draw a diagram of the dissected specimen M and label seven parts concerned with digestion. b) Which precautions did you take when opening the inner skin? Give two points.

1. Draw a diagram of the dissected specimen M and label seven parts concerned with digestion. (14 mk)
2. Which precautions did you take when opening the inner skin? Give two points. (6 mk)

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You are provided with solution R and required to answer the following questions: a) Using the provided reagents, carry out the biochemical test to identify food substances contained in solution R. Tabulate your result as shown in the following table: - Food Tested | Procedure | Observation | Inference b) State the role of each of the food substances identified in solution R to human body. c) Why was heat required during the testing of food substance identified in solution R?

1. Using the provided reagents, carry out the biochemical test to identify food substances contained in solution R. Tabulate your result as shown in the following table: - Food Tested | Procedure | Observation | Inference (8 mk)
2. State the role of each of the food substances identified in solution R to human body. (4 mk)
3. Why was heat required during the testing of food substance identified in solution R? (3 mk)

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You provided with specimens A, B and C, observe them and answer the following questions: (a) (i) What are observable features used to place specimen A into its respective kingdom? Give two points. (ii) In what ways is specimen A is successfully adapted to its habitat? Give three points. (iii) How is specimen A important for industrial development. Give three point. (b) (i) Identify the name of the organism from which specimen B was taken. (ii) How is the specimen B important to the organism from which it was taken? Give two points. (c) What are the observable features used to place specimen C into its respective class? Give three points.

1. What are observable features used to place specimen A into its respective kingdom? Give two points. (4 mk)
2. In what ways is specimen A is successfully adapted to its habitat? Give three points. (6 mk)
3. How is specimen A important for industrial development. Give three point. (3 mk)
4. Identify the name of the organism from which specimen B was taken. (1 mk)
5. How is the specimen B important to the organism from which it was taken? Give two points. (2 mk)
6. What are the observable features used to place specimen C into its respective class? Give three points. (3 mk)

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