General Knowledge on Inventions

(Click on suggested Options to select the answer \| Color Red means : Wrong & Green Means: Correct)
141. Who was discovered air conditioner? A. Carrier B. A.Parker C. Carl Linnaeus D. Col. J. Schick Check Answer \| Discussion 142. With which the invention of Simpson and Harrison are associated? A. South Pole B. Zipper C. Typewriter D. Chloroform Check Answer \| Discussion 143. Which scientists discovered Helio-Centric Theory? A. Nicholas Copemicus B. Charaka C. Benjamin Franklin D. Deodatta V. Shenai-Khatkhate Check Answer \| Discussion 144. Who is known as 'father of refrigeration' ? A. Bill Nye B. Isaac Newton C. Otto Hahn D. Oliver Evans Check Answer \| Discussion 145. In which year parachute was invented in Italy? A. 1470 B. 1960 C. 1950 D. 1955 Check Answer \| Discussion 146. In which century compass was invented? A. 12th century B. 13th century C. 15th century D. 10th century Check Answer \| Discussion 147. In which year was invented world's first long range ballistic missile named V-2 rocket? A. 1942 B. 1943 C. 1952 D. 1949 Check Answer \| Discussion 148. Which year first headset was invented by Nathaniel Baldwin? A. 1910 B. 1911 C. 1912 D. 1915 Check Answer \| Discussion 149. Which scientists first solar cell was invented in 1883? A. Charles Fritts B. Virginia Apgar C. Svante Arrhenius D. Sophie Germain Check Answer \| Discussion 150. Which year first personal computer controlled with a keyboard was invented? A. 1957 B. 1956 C. 1955 D. 1954 Check Answer \| Discussion
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General Knowledge on Inventions

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