Dissect specimen B to reveal reproductive and excretory systems. (a) Draw and label two parts for each system. (b) State the function of each reproductive part. (c) Identify the sex and justify with three features. (d) Why are some threadlike parts abundant?

1. Draw and label two parts for each system. (10 alama)
2. State the function of each reproductive part. (8 alama)
3. Identify the sex and justify with three features. (8 alama)
4. Why are some threadlike parts abundant? (4 alama)

Boresha ili kuona majibu ya mfano.

Use solutions P and Q to perform food tests. (a) Complete the following table: Test For Procedure Observation Inference (b) State three biological roles of food in solutions P and Q. (c) (i) Name the enzyme involved in digestion of food in Q. (ii) What are the final products?

1. Complete the following table: Test For Procedure Observation Inference (6 alama)
2. State three biological roles of food in solutions P and Q. (3 alama)
3. (i) Name the enzyme involved in digestion of food in Q. (ii) What are the final products? (1 alama)

Boresha ili kuona majibu ya mfano.

Observe specimens J, K and L. (a) (i) Give two features for classifying J into its kingdom. (ii) State three industrial uses of J. (b) Identify and explain the functions of K. (c) Classify specimen L and give three justifying features.

1. (i) Give two features for classifying J into its kingdom. (ii) State three industrial uses of J. (5 alama)
2. Identify and explain the functions of K. (3 alama)
3. Classify specimen L and give three justifying features. (2 alama)

Boresha ili kuona majibu ya mfano.