Basic Science Practice Question and Answer
8 4 Q:
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611b65ccdc4e2547a1c91cfa 4 Q:
5f912f5a7793eb35d72d8391 4 Q:
5ee8894a79b5ea388bed44fc Answer : 3. "Vitamins "
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Q: When a metal is heated, its density?
1923 060140705d039355294ee4e93
60140705d039355294ee4e93- 1increasesfalse
- 2There is no differencefalse
- 3decreasestrue
- 4None of the abovefalse
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Answer : 3. "decreases"
Q: Richter Scale is used in measuring?
1918 15f912d7b9e18f97b7040e7d7
5f912d7b9e18f97b7040e7d7- 1Earthquake intensitytrue
- 2Wind speedfalse
- 3Depth of seafalse
- 4Body temperaturefalse
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Answer : 1. "Earthquake intensity"
Q: What do players use for instant power?
1903 0611b65ccdc4e2547a1c91cfa
611b65ccdc4e2547a1c91cfa- 1Sucrosetrue
- 2Vitamin Cfalse
- 3saltfalse
- 4Milkfalse
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Answer : 1. "Sucrose"
Q: The main reason why the sky appears blue?
1892 05f912f5a7793eb35d72d8391
5f912f5a7793eb35d72d8391- 1Sunlight is bluefalse
- 2Scattering of solar rays by particles of dust etc. present in the atmospheretrue
- 3light reflectionfalse
- 4light refractionfalse
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Answer : 2. "Scattering of solar rays by particles of dust etc. present in the atmosphere"
Q: Which of the following nutrients do NOT provide energy for animals?
1888 05ee8894a79b5ea388bed44fc
5ee8894a79b5ea388bed44fc- 1Fatsfalse
- 2Carbohydratesfalse
- 3Vitaminstrue
- 4Proteinsfalse
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Answer : 3. "Vitamins "
Explanation :
Vitamins do not provide energy as they are not stored in our bodies.
Q: Leaving of the following in ponds and wells helps in controlling mosquitoes?
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5f746c08a921aa16e68c30e5- 1crabfalse
- 2Dogfishfalse
- 3Gambusia fishtrue
- 4snailfalse
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Answer : 3. "Gambusia fish"
Q: Iron pipes, from which water is supplied, are coated with zinc (Zn) to prevent rusting. This layering process is called?
1887 0611b604eccbc2b477b6dbf8e
611b604eccbc2b477b6dbf8e- 1Annealingfalse
- 2Vulcanizationfalse
- 3Yashad coatingtrue
- 4none of thesefalse
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Answer : 3. "Yashad coating"
Q: Consider the following statements:
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5f6c2f27ec13dd7480fafc03- 1Photosynthesis occurs during day time only.false
- 2Respiration takes place both day and night.false
- 3Neither A nor B are correct.false
- 4Both A and B are correct.true
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Answer : 4. "Both A and B are correct."
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