Invention

Q 9. What invention caused many deaths while testing it? A)Race cars B)Parachute C)Ladders D)Dynamite Answer : Option B Explanation: Many people who tried to test the first parachutes died by jumping from high places. One attempt was a parachute hat, but the inventor broke his neck while testing it. The first successful parachute was tested from a hot air balloon in 1797, in France, by Jacques Garnerin. Q 10. Who invented Gunpowder? A)G. Ferdinand Von Zeppelin B)Sir Frank Whittle C)Leo H Baekeland D)Roger Bacon Answer : Option D Explanation: No answer description available for this question. Q 11. D.D.T. was invented by ? A)John Dalton B)Rudolf C) Paul Muller D)None of these Answer : Option C Explanation: No answer description available for this question. Q 12. Simpson and Harrison are associated with the invention of? A)Chloroform B) Boson C)Balloon D)None of these Answer : Option A Explanation: No answer description available for this question.

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