Q31. What is the unit of electric current?
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Q32. Which organelle is known as the powerhouse of the cell?
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Q33. What is the value of pi (π) approximately?
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Q34. How many bones are there in the adult human body?
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Q35. Which phenomenon causes a rainbow?
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Q36. What is the boiling point of water at sea level?
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Q37. What type of number is 0?
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Q38. Which Indian state has the largest area?
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Q39. Which gas do plants absorb for photosynthesis?
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Q40. What is the Capital of India?
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