(QUIZ) General Science MCQs : The Nervous System
(QUIZ) General Science MCQs : The Nervous System
1. Consider the following statements.
(A) Coelenterates, cnidarians & Echinoderms have their neurons organised into a nerve net.
(B) These creatures have radial symmetry & lack a head.
(C) Although lacking a brain a central nervous system they are capable of complex behaviour.
Which of the above are false?
- A only
- B & C only
- A, B & C
- None of the above
2. Consider the following statements.
(A) Flatworms have neurons associated into cluster known as ganglia which form a small brain.
(B) Vertebrates have a spinal cord in addition to a more developed brain.
(C) Chordates have a dorsal rather than what nervous system.
Which of the above are correct?
- A & C only
- B only
- C only
- All of the above
3. Consider the following statements.
(A) The peripheral nervous system contains only nerves & connect the brain and he spinal cord to the rest of the body.
(B) Sensory pathways carry signals to muscles & glands.
(C) Motor pathways provide of input from the body unit into the CNS (Central Nervous System).
Which of the above are not correct?
- A & B only
- B & C only
- A only only
- B only
4. Which of the following are correct?
(A) Axons dendrites surrounded by white myelin sheath.
(B) Cranial nerves the take impulse to & from the brain.
(C) Spinal nervous take impulses to & away from spinal cord.
- C only
- B & C only
- None of the above
- All of the above
5. Which of the following are incorrect?
(A) The somatic Nervous system includes all nerves controlling the muscular system & external sensory receptors.
(B) External sense organ are receptors.
(C) Muscle fibers & gland cells are effectors.
- A only
- B only
- B & C only
- A & C only