PLANT PHYSIOLOGY
PHOTOSYNTHESIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A scientist is attempting to test for Carbohydrates and he/she added Benedict’s solution. The test tube turned Reddish Orange. Was there a presence of the Carbohydrates in the sample?
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Yes
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No
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -One test for the presence of many simple carbohydrates is to use Benedict’s reagent. It turns from turquoise to yellow or orange when it reacts with reducing sugars.
Detailed explanation-2: -The Sudan III test is used to test detect lipids .
Detailed explanation-3: -Lugol’s Solution can be used to test for the presence of a polysaccharide, like starch. In the presence of starch, Lugol’s Solution turns from amber to dark blue (dark blue is positive, amber is negative).
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