(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?

  1. A only
  2. B & C only
  3. A, B & C
  4. 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?

  1. A & C only
  2. B only
  3. C only
  4. 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?

  1. A & B only
  2. B & C only
  3. A only only
  4. 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.

  1. C only
  2. B & C only
  3. None of the above
  4. 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.

  1. A only
  2. B only
  3. B & C only
  4. A & C only

Answer : Only For ONLINE UPSC COURSE Members