General Science - Single MCQs (Page 35)

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Q341. In which of the following animals, is open circulatory system found?...Q342. In humans, how many chromosomes does a cell have?...Q343. In humans, which protein transports oxygen from the lungs to the rest of body?...Q344. In scuba-diving, while ascending towards the water surface, there is a danger of...Q345. In vulcanization, natural rubber is heated with?...Q346. In vulcanization, natural rubber is heated with?...Q347. In which of the following activities Silicon Carbide is used?...Q348. In which following processes light energy is converted into chemical energy?...Q349. In photoelectric emission, the energy of emitted electron is?...Q350. In humans, which portion of brain controls hunger, thirst and body temprature?...