CHAPTER 2 BODY COORDINATION
1. In nervous coordination, which of the following only receives impulse?
A Receptor
B Effector
C Interneurone
D Sensory neurone
2. Nervous coordination requires effector and receptor. What are effector and
receptor?
Effector Receptor
A Example: gland Example: taste bud
B Sends impulse Receives impulse
C Found in brain Found in sense organ
D Receives stimulus Causes muscle contraction
3. The figure shows an example of a nervous pathway.
Stimulus Eyes Brain Move hand to pick up a book
Which of the following causes the hand to pick up the book?
A Motor neurone
B Receptor
C Sensory neurone
D Synapse
4. Which of the following statements is true of nervous coordination?
A The action is slow
B The information is transmitted in the form of hormone
C The information is transmitted in the form of impulse
D The coordination is controlled by hormone
5. Which of the following is a reflex action?
A Torch light on the eye ----- iris constricted
B Put food in the mouth ----- chew the food
C Book too near to the eye ---- move book further
D Put cream on the hair ---- comb the hair
6. Which of the following pairs of glands and functions is correct?
Glands Function
A Adrenal To regulate blood minerals
B Pancreas To regulate metabolic rate
C Testis To regulate blood sugar
D Thyroid To control sexual characteristics
7. The function of the sensory neurone is to carry impulse from
A effector to central nervous system
B receptor to central nervous system
C central nervous system to spinal cord
D central nervous system to effector organ
8. If you accidently touch a hot stove, you pull your finger away before the impulse
is relayed to the
A brain C receptor
B effector D spinal cord
9. Pituitary growth hormones can affect cells in various parts of the human body
because the hormones are secreted directly into
A the muscle tissues
B the glandular ducts
C the bloodstream
D the digestive tract
10. Compared with nerve impulses, hormones are generally
A released faster and the effects last longer
B released faster and the effects last for a shorter duration
C released more slowly and the effects last longer
D released more slowly and the effects last for a shorter duration
11. Some athhletes take drugs to boost their performance in sport meets. The drugs
usually taken by the athletes are
A depressants
B stimulants
C hallucinogens
D painkillers
12. The function of an axon is to
A send impulse to the central nervous system
B send impulse towards the cell body
C carries impulse away from the cell body of a neurone
D carries impulse away from the central nervous system towards an effector organ
13. Which of the following statements is correct?
A A synapse is the site of contact between two receptor cells
B A synapse is the junction between two adjacent neurones
C A synapse is a site to stop impulse
D A synapse is a site where an impulse is formed
14. In nervous coordination, which of the following can produce impulse?
A Receptor
B Effector
C Sensory neurone
D Interneurone
15. Which of the following parts of the brain controls voluntary actions?
A Cerebrum
B Cerebellum
C Medulla oblongata
D Pituitary gland
16. Which of the following hormones controls the concentration of glucose in the
blood?
A Testoterone
B Adrenaline
C Insuline
D Thyroxine
17. Which of the following is not the similarity between nervous coordination and
endocrine coordination?
A Both can sense changes in the environment
B Both involve in controlling and regulating activities in the human body
C Both response immediately to stimuli
D Both involve in sending impulse
18. The importance of body coordination is to produce a suitable
A stimulus
B body activity
C response
D sensation
19. Nicole has a perfect body coordination to become a good dancer. Such
coordination is carried by the
A nervous system
B digestive system
C muscular system
D circulatory system
20. Which example is as indicated in the impulse pathway as shown below?
Receptor Spinal cord Effector
A Chewing food
B A knee-jerk
C Reading a book
D Walking on a rope
Answer:
1. B 6. A 11. B 16. C
2. A 7. B 12. C 17. D
3. A 8. A 13. B 18. C
4. C 9. C 14. A 19. A
5. A 10.C 15. A 20. B