Basic Science Practice Question and Answer
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5ef44a6ed7fe817321989d68 Answer : 2. "increases"
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Q: “Atomic theory of Matter” was given by
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5f0fe07e14ffd1272dcc08a8- 1Avogadrofalse
- 2Daltontrue
- 3Newtonfalse
- 4Pascalfalse
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Answer : 2. "Dalton"
Q: What of the following statements is incorrect?
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5f9130e59e18f97b7040f069- 1Iron sinks in waterfalse
- 2Wood floats on waterfalse
- 3Mercury floats on watertrue
- 4Iron floats in mercuryfalse
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Answer : 3. "Mercury floats on water"
Q: What is the scientific name of Banyan Tree?
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60ab93711615d94344796820- 1Mangifera indicafalse
- 2Ficus benghalensistrue
- 3Azadirachta indicafalse
- 4Shorea robustafalse
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Answer : 2. "Ficus benghalensis "
Q: Capacity when connecting capacitors to series?
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5ef44a6ed7fe817321989d68- 1neither increases nor decreasesfalse
- 2increasestrue
- 3decreasesfalse
- 4None of the abovefalse
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Answer : 2. "increases"
Explanation :
A capacitor stores energy in the form of an electrostatic field between its plates. Increasing the size of the plates increases the capacitance because there is more room for the electrons to escape.
Q: Vegetable oils are converted into ghee?
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5f91021d7793eb35d72c61b3- 1Heat treatmentfalse
- 2hydrogenationtrue
- 3oxygenfalse
- 4by enzymesfalse
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Answer : 2. "hydrogenation"
Q: Which of the following is not a greenhouse gas?
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5f604c192e2c892823456971- 1methanefalse
- 2nitrous oxidefalse
- 3Sulfur Hexa Fluoridefalse
- 4carbon monoxidetrue
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Answer : 4. "carbon monoxide"
Q: A high speed vehicle honks, so its pitch?
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5f912fafd6785c0fc0d91299- 1is heard as muchfalse
- 2more audibletrue
- 3hearing impairedfalse
- 4First less and then morefalse
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Answer : 2. "more audible"
Q: Which gas is used to purify pond water in cities?
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601401905beea84b8ecebc42- 1Sulfur dioxidefalse
- 2Chlorinetrue
- 3Nitrogenfalse
- 4Ammoniafalse
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Answer : 2. "Chlorine"
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