General Science - Single MCQs (Page 46)

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Q451. Coolis tube is used to produce ?...Q452. The proportion of nitrogen in the open air is?...Q453. Water exists both as solid and liquid at ?...Q454. Reproductive cells in normal Human beings are produced?...Q455. The drug quinine is used in the treatment of?...Q456. Which of the following in the human body is popularly called the ‘Adam’s App...Q457. The clear sky looks blue because of?...Q458. Which one of the following statements regarding sound is true?...Q459. Who is credited with the development of polio vaccine?...Q460. Which of the following is not an attribute of bacterium?...