Section A: Mulitple Choice Questions

1. Which of the following part(s) can control reflex action?

(1) cerebellum
(2) medulla
(3) spinal cord

A. (1) only.
B. (2) and (3) only.
C. (1) and (3) only.
D. (1), (2) and (3).

2. Which of the following statements is INCORRECT?

A. The outside of the cerebrum is grey matter whereas the inside is white matter.
B. The surface of cerebrum and cerebellum is greatly folded.
C. The front part of the cerebrum is for memory.
D. Sensory area of cerebrum receives nerve impulses form receptors.

3. Which of the followings is a not function of cerebrospinal fluid?

A. protect the brain
B. supply nutrients to brain cells
C. remove wastes from brain cells
D. transmit nerve impulses from spinal cord to brain

4. Rods are different from cones in that

A. rods can detect light in dim condition whereas cones cannot.
B. rods contain pigment whereas cones do not.
C. rods locate on yellow spot whereas cones do not.
D. rods can detect colour vision whereas cones cannot.

5. Which of the following statements about the accomodation of eyes is INCORRECT?

A. When we see far objects, lens becomes thinner.
B. When we see far objects, suspensory ligament slackens.
C. When we see near objects, circular ciliary muscles relax.
D. When we see near objects, image is formed in front of retina.

Section B: Questions

6. What is the meaning of an extensor?

7. What is the difference in degree of movement for hinge joint and ball and socket joint?

8. Explain why herbaceous plants wilt in a hot sunny day.

9. State three differences between reflex action and voluntary action.

10. Explain how the structure of a motor neurone adapts to its function.