Basic Science Practice Question and Answer
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Q: How does a red rose appear in green light?
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601407535beea84b8ecf13bd- 1yellowfalse
- 2Pinkfalse
- 3Blacktrue
- 4Redfalse
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Answer : 3. "Black"
Q: When a metal is heated, its density?
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60140705d039355294ee4e93- 1increasesfalse
- 2There is no differencefalse
- 3decreasestrue
- 4None of the abovefalse
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Answer : 3. "decreases"
Q: What is the lightest metal?
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60140670d039355294ee343a- 1Lithiumtrue
- 2Iridiumfalse
- 3aluminumfalse
- 4Osmiumfalse
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Answer : 1. "Lithium"
Q: Which metal has the highest melting point?
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6014062d2a5c813e157f7052- 1Osmiumfalse
- 2Tungstentrue
- 3Molybdenumfalse
- 4aluminumfalse
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Answer : 2. "Tungsten"
Q: Which of the following electromagnetic waves has the highest wavelength?
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601405e0d039355294ee28fd- 1Ultraviolet raysfalse
- 2Sunlightfalse
- 3Gamma raysfalse
- 4infrared raystrue
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Answer : 4. "infrared rays"
Q: When a man enters a dark room with light, he sees nothing for some time. Later he begins to appear, because?
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601404df2a5c813e157f5cce- 1The iris of his eye shrinkstrue
- 2The iris of his eye spreadsfalse
- 3The distance between the lens and retina of his eye increasesfalse
- 4The length of his eye lens increasesfalse
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Answer : 1. "The iris of his eye shrinks"
Q: Mac number is related
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601404975beea84b8ececf1c- 1At the speed of soundfalse
- 2At the speed of the shipfalse
- 3At the speed of the planetrue
- 4At the speed of the spacecraftfalse
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Answer : 3. "At the speed of the plane"
Q: When sunlight passes through a prism, which of the following colors has the highest refraction?
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601404495beea84b8ececd73- 1Bluetrue
- 2Redfalse
- 3Orangefalse
- 4Greenfalse
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Answer : 1. "Blue"
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