General Science - Single MCQs (Page 25)

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Q241. The number of Chromosomes pairs in Human body are?...Q242. When the light is passed through a prism, the colour which deviates least is?...Q243. Alexander Fleming discovered?...Q244. Who invented typewriter?...Q245. Chemically the term Dry Ice is?...Q246. What is laughing gas?...Q247. The bond which is present between water molecules is?...Q248. Which of the following radioactive elements is found in large amounts in India?...Q249. Which variety of coal contains the highest percentage of carbon?...Q250. A solar cell is a device that converts?...