DIAGRAM 1 Q 1. Provide labels for parts A, B, D, G and O. 2. Provide labels for parts C and E. DIAGRAM 2 (5) (2) (4) (6) 3. Describe the extent to which each of parts C and E contribute to image formation. 4. Explain THREE ways in which part L is adapted for its function. 5. Write down the letter of the part in Diagram 2 that corresponds with each of the following parts in diagram 1: (b) Q 6. With reference to Diagram 1, name: (a) P (c) R (3) (a) The external stimulus which influences the size of part P (b) A chemical substance in the body which increases the size of part P under certain circumstances (1) (1) 7. Briefly explain the role of part L and the ciliary muscles in accommodating for an object that is less than 6m from the eye. (5) 8. Write down the letter of the part that contains sensory neurons. (1 [2