NURSING EXAM QUESTIONS
PHARMACOGNOSY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is a physical agent used in polyploidy?
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Mercuric chloride
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Nitrous oxide
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Carbon dioxide
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Abcissic acid
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Explanation:
Detailed explanation-1: -Mercuric chloride is used as disinfectant to remove the surface microorganisms. The result showed that the increasing concentration of mercuric chloride inhibit the growth of bacteria efficiently with increasing contact time.
Detailed explanation-2: -calomel (Hg2Cl2), also called mercurous chloride or mercury(I) chloride, a very heavy, soft, white, odourless, and tasteless halide mineral formed by the alteration of other mercury minerals, such as cinnabar or amalgams.
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