Q1: Who discovered the electron?

Q2: Which is the longest bone in the human body?

Q3: At which temperature do both the Centigrade and Fahrenheit show the same reading?

Q4: Who invented the bifocal lens?

Q5: Why we do not feel pains to cut our nails?

Q6: Who invented the jet engine?

Q7: What is Mach Number?

Q8: What is the scientific name for study of handwriting?

Q9: What causes an object to look black?

Q10: Who discovered insulin?

Q11: Which element has the highest boiling point?

Q12: Why does a tennis ball bounce higher on hills than on plains?

Q13: Which planet has the biggest satellite?

Q14: How do bats manage to avoid obstacles while flying?

Q15: Which is the most common of all the metals in the earth's crust?

Q16: What is the source of caviar?

Q17: Why does an iron ball sink and not an iron ship?

Q18: What is herpetology?

Q19: What is constellation?

Q20: What is an aardvark?

Q21: From which plant is morphine obtained?

Q22: Who discovered the cause of malaria?

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