MCQ
How many Dynes are there in one gram weight?
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MCQ
Which gas is present under pressure in soft drinks?
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MCQ
ডুবোজাহাজে কোন যন্ত্রের সাহায্যে পানির নিচ থেকে উপরের দৃশ্য দেখা যায়?
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MCQ
The largest solar power plant in the world is in--
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MCQ
The scientist who first discovered that the earth rrevolves round the sun was--
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MCQ
The atom is made of---
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Farmers can keep their soil fertile by--
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MCQ
Which planet is known as the red planet?
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Dry sand appears bright while wet sand appears dark because of--
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MCQ
Who discovered Uranus?
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How many Ergs are there 1 Joule?
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How many days are in a leap year?
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MCQ
Fish preathe through--
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Wher is the headquarters of the UN Security council located at?
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Hygrometer is used to measure--
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Which of the following is a device for storing electric charge?
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The three methods of science are observation, experimentation and ----.
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Who invented typewriter?
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Which of the following statements is true?
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Blaze Pascal is associated with---
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Which one of the following is used for bleaching purposes?
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The surface of the earth is mainly covered with--
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MCQ
Which gas in the atmosphere saves us from the UV rays of the sun?
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MCQ
Among the following which is the purest form of iron?
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