World Book Trivia Challenge Advanced-6/18-senses
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Which of the following is NOT another component of flavor besides taste?
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Smell
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Touch
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Sight
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- 2.
What is the 5th taste called that is usually described as "savory" or "meaty"
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Sushi
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Umami
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Unagi
Correct Answer
A. UmamiExplanation
Chemicals associated with the taste qualities of sour, salty, bitter, and sweet stimulate receptor cells of the taste buds. Some scientists think a fifth distinct taste, called umami, can be detected. This taste is usually described as “savory” or “meaty.” Japanese scientists were the first to describe it, The sensation of umami is caused by a chemical called glutamate. Glutamate is found in many protein-rich foods. However, not all scientists agree that umami constitutes a fifth category of taste.Rate this question:
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- 3.
Which of the following stimuli CAN be detected by human senses?
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Ultraviolet light
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Small electric currents in water
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Sound frequencies
Correct Answer
A. Sound frequenciesExplanation
Some animals respond to environmental stimuli that cannot be detected by human senses. These stimuli include ultraviolet light, Earth's magnetic field, sounds of very high and very low frequencies, and extremely small electric currents in water.Rate this question:
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- 4.
The sense of touch is also one of the ________ senses
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Moraneous
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Spontaneous
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Cutaneous
Correct Answer
A. CutaneousExplanation
Touching an object can give rise to feelings of warmth, cold, pain, and pressure. Free nerve endings in the tissue give the sense of pain. Touch, warmth, cold, and pain also are called cutaneous senses.Rate this question:
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- 5.
At what level does sound become painful to human ears?
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60 decibels
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100 decibels
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140 decibels
Correct Answer
A. 140 decibelsExplanation
A person can barely hear a sound of zero decibels. Sounds above 140 decibels can be painful to the ears. In some cases, they may seriously damage the ears.Rate this question:
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- 6.
Where was the first eye bank opened?
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New York City
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London
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Singapore
Correct Answer
A. New York CityExplanation
The first eye bank was formed in 1944 in New York City. Many eye banks have since developed in other cities and countries. People who wish to donate their eyes should register with an eye bank.Rate this question:
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- 7.
How are different smells distinguised?
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By the chemical gas an object gives off
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The nose has different receptors for different smells
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Scientists do not know exactly
Correct Answer
A. Scientists do not know exactlyExplanation
Scientists do not know exactly how different smells are distinguished. One explanation is that molecules of certain odors become more quickly and more strongly attached to the mucus at a particular place on the turbinates than do other molecules. Therefore, molecules of certain kinds of odors will always stimulate the same receptor cells on the conchae. According to this theory, an odor is distinguished by how fast and where its molecules become attached to the receptor cellsRate this question:
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- 8.
Some animals do not have eyes, but can still sense light with what organ?
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Eyespots
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Skinspots
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Skin
Correct Answer
A. EyespotsExplanation
Most animals have organs of some kind that sense light. The most elementary of these organs are called eyespots. Eyespots are light-sensitive areas on the bodies of flatworms, starfish, and certain other invertebrates (animals without a backbone). The organs can distinguish between light and dark but cannot form imagesRate this question:
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- 9.
Where is the most highly developed sensitive area for touch?
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Back of the shoulders
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Tip of the tongue
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Bottom of the foot
Correct Answer
A. Back of the shouldersExplanation
Touch is more sensitive in some parts of the body than in others. This difference is due to the fact that the end organs for touch are not scattered evenly over the body, but are arranged in clusters. The feeling of pressure is keenest where there are the greatest number of end organs. It is most highly developed on the tip of the tongue, and is poorest on the back of the shoulders. The tips of the fingers and the end of the nose are other sensitive areas.Rate this question:
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- 10.
Which of the following is a cause of night blindness?
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Disease is inherited
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Lack of vitamin A
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Darkness
Correct Answer
A. DarknessExplanation
Night blindness may be caused by various eye diseases or by a lack of vitamin A in the diet.Rate this question:
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Current Version
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Mar 16, 2022Quiz Edited by
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Jun 18, 2012Quiz Created by
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