Basic Science Practice Question and Answer
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Q: Ozone layer is found in
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60fe46f220de8e1be91d2b0a- 1Thermospherefalse
- 2Stratospheretrue
- 3Troposherefalse
- 4Mesopherefalse
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Answer : 2. "Stratosphere"
Q: Atmospheric pressure gauge is?
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611b672d14663c47a233f3f2- 1Barometertrue
- 2Periscopefalse
- 3Hydrometerfalse
- 4Thermometerfalse
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Answer : 1. "Barometer"
Q: Which element is found the most in minerals and rocks?
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611b62996d0fd147810fb290- 1Carbontrue
- 2Siliconfalse
- 3Hydrogenfalse
- 4Boronfalse
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Answer : 1. "Carbon"
Q: Which acid is used as a dehydrating agent?
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611b609bccbc2b477b6dbfa3- 1hydrochloric acidfalse
- 2sulfuric acidtrue
- 3acetic acidfalse
- 4nitric acidfalse
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Answer : 2. "sulfuric acid"
Q: The voltmeter is put into the circuit?
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5ef44bcf9d32d072c24b6c34- 1in parallel ordertrue
- 2In series orderfalse
- 3In series-parallel orderfalse
- 4None of thesefalse
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Answer : 1. "in parallel order"
Q: Who was the first Indian astronaut-
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5f74691e4637db7328336c8b- 1Rakesh Sharmatrue
- 2Yuri Gagarinfalse
- 3Kalpana Chawlafalse
- 4Sunita Williamsfalse
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Answer : 1. "Rakesh Sharma"
Q: Which of the following is the most abundant element in the Earth’s crust?
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6095257d1a490e0a05cddd45- 1Oxygentrue
- 2Silicafalse
- 3Ironfalse
- 4Aluminumfalse
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Answer : 1. "Oxygen "
Q: What is the life span of WBC?
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60fe5470f8986716bdf71b27- 12-15 daystrue
- 23-15 daysfalse
- 34-15 daysfalse
- 45-20 daysfalse
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Answer : 1. "2-15 days"
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