Basic Science Practice Question and Answer
8 4 Q:
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5f8fea683ca2d767b182a840 4 Q:
5f72eb0cc0afea20a179237c Answer : 4. "Lactic acid"
4 Q:
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Q: Wind speed is measured by which of the following instruments-
1213 05fa5159b9e3c9b0bcb6ff59c
5fa5159b9e3c9b0bcb6ff59c- 1Barometerfalse
- 2Windvenfalse
- 3Anemometertrue
- 4Rotameterfalse
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Answer : 3. "Anemometer"
Q: What is the reason that the ball bounces higher at a higher place?
1210 0601403a92a5c813e157f51b3
601403a92a5c813e157f51b3- 1Because the air pressure is higher at higher places than at the plainsfalse
- 2Because the atmosphere is sparse at high places, the ball faces less resistancefalse
- 3Because the force of gravity is low at high placestrue
- 4Because the atmosphere is pure at high placesfalse
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Answer : 3. "Because the force of gravity is low at high places"
Q: Which of the following crops make the soil rich in nitrogen?
1206 05f8fea683ca2d767b182a840
5f8fea683ca2d767b182a840- 1Sunflowerfalse
- 2Sorghumfalse
- 3Peastrue
- 4Potatofalse
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Answer : 3. "Peas "
Q: Which of the following acids are formed during the formation of curd from milk?
1202 05f72eb0cc0afea20a179237c
5f72eb0cc0afea20a179237c- 1Acetic acidfalse
- 2Ascorbic acidfalse
- 3Citric acidfalse
- 4Lactic acidtrue
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Answer : 4. "Lactic acid"
Explanation :
As an end product, lactic acid is produced which makes the milk thicker and finally converts it into curd.
Q: The only non-metal which is liquid at room temperature is–
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6073fcade170a5231dc3361b- 1Mercuryfalse
- 2Brominetrue
- 3Chlorinefalse
- 4Galliumfalse
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Answer : 2. "Bromine"
Q: Which of the following is not a source of air pollution?
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5feafdd900e3f71b828c00f8- 1Automobile exhaustfalse
- 2Burning of firewoodfalse
- 3Windmilltrue
- 4Power plantfalse
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Answer : 3. "Windmill"
Q: The combination of male and female gametes is called-
1199 0625fd4d2e1e2a840c31b8fe0
625fd4d2e1e2a840c31b8fe0- 1pollinating particlefalse
- 2Fertilizationtrue
- 3Mukulanfalse
- 4Sporefalse
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Answer : 2. "Fertilization"
Q: Who discovered the atom bomb?
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611b66efccbc2b477b6dc723- 1Atohantrue
- 2Albert Einsteinfalse
- 3Keplerfalse
- 4Rutherfordfalse
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Answer : 1. "Atohan"
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