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- 1. Multiple Choice
Which of the following statements about sense organs is INCORRECT?
They are responsible for producing senses.
They contain sensory cells.
They are responsible for detecting stimuli.
There are five sense organs in humans.
- 2. Multiple Choice
After looking at his watch, a boy looks at an aeroplane in the sky. The lenses in his eyes will change from
thick to thin.
thin to thick.
soft to hard.
hard to soft.
- 3. Multiple Choice
Which of the following eye defects can be corrected by wearing suitable glasses?
(1) Astigmatism
(2) Short sight
(3) Long sight
(1) and (2) only
(1) and (3) only
(2) and (3) only
(1), (2) and (3)
- 4. Multiple Choice
Which of the following correctly describes how hearing aids work?
They directly stimulate the sensory cells in the cochlea.
They directly send signals to the brain.
They amplify the sound vibrations entering the ear.
They raise the pitch of sound entering the ear.
- 5. Multiple Choice
Which of the following animals can detect sound with the highest frequency?
Dog
Human
Bird
Bat
- 6. Multiple Choice
Which of the following is the function of cochlea?
Producing the sense of hearing
Converting sound into vibrations
Producing signals after detecting the vibrations from the eardrum
Transmitting signals to the brain
- 7. Multiple Choice
Which of the following is the cause of illusion?
The brain is tired.
The brain fails to work.
The brain misinterprets the signals.
The signals are not interpreted by the brain.
- 8. Multiple Choice
Which of the following statements about sound is correct?
Sound with higher frequency always has a higher sound level.
Sound cannot travel in liquid.
Sound can travel in vacuum.
The pitch of sound is related to its frequency.
- 9. Multiple ChoiceThe cells responsible for color vision in vertebrates are calledrod cellscone cellsbipolar cellscupula cells
- 10. Multiple ChoiceNerve impulses are carried from the eye to the brain by theoptic nervetransducens nervecornearod and cone cells
- 11. Multiple ChoiceRod cells and cone cells are located in theorgan of Cortiretinairiscornea
- 12. Multiple ChoiceThe Eustachian tube connects theouter ear and middle earmiddle ear and inner earinner ear and throatmiddle ear and throat
- 13. Multiple ChoiceThe eye contains ______.mechanoreceptorsphotoreceptorschemoreceptorsproprioceptors
- 14. Multiple ChoiceThe ear contains ______.mechanoreceptorsphotoreceptorschemoreceptorsproprioceptors
- 15. Multiple ChoiceThe iris __________.regulates light entrance through the pupilrefracts light raysabsorbs stray light rayscontains receptors for sight
- 16. Multiple ChoiceThe posterior cavity of the eye behind the lens is filled with a viscous material called the _________ humor.aqueousvitreousopticsensa
- 17. Multiple ChoiceThe ear functions for ___________.balancehearingboth balance and hearing
- 18. Multiple ChoiceThe receptors for hearing and equilibrium are located in the _________ ear.inneroutermiddle
- 19. Multiple ChoiceThe small bones located in the middle ear, known collectively as the ossicles, include:tympanum, oval and round windowspinna, vestibule and eustachianmalleus, incus, and stapesossicles I, II and III
- 20. Multiple ChoiceChewing gum, yawning, and swallowing in elevators and airplanes help to move air through the ______ tubes, which equalizes air pressure upon ascent and descent.optictympaniccochleareustachian
- 21. Multiple ChoiceThe process of hearing begins when sound waves enter the ___________.auditory canalmiddle earinner earcochlea
- 22. Multiple ChoiceThe region on the retina that produces the sharpest vision is called the _______________.scleraaqueous humorfoveaoptic disc
- 23. Multiple ChoiceIn response to intense light, the pupil:dilates rapidlyslowly dilatesconstricts rapidlyslowly constricts
- 24. Multiple Choice
Name for no. 1, 2 and 3 are?
cornea, iris, pupil
iris, pupil, lens
pupil, lens, retina
lens, retina, cornea
- 25. Multiple Choice
What number are lens and retina?
1 and 2
2 and 3
3 and 4
4 and 5
- 26. Multiple Choice
Which of these is not one of the sense organs.
Taste
Sense of humor
Smell
Sight
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