TMA3 CHM315 CARBOHYDRATE CHEMISTRY QUESTION AND ANSWER

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TMA3 CHM315 CARBOHYDRATE CHEMISTRY

  1. How many carbon atoms are present in a pyranose?
  2. 5
  3. 6
  4. 7
  5. 8

The answer is A. 5

  1. The class of food which is the major source of energy for both plant and animals is?
  2. Water
  3. Vitamins
  4. Proteins
  5. Carbohydrates

The answer is D. Carbohydrates

  1. Sugar that could be oxidised by tollens reagent are called ?
  2. Reactive sugar
  3. Oxidizing sugars
  4. Reducing sugar
  5. Non-reducing sugar

The answer is C. Reducing sugar

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  1. How many carbon atoms are present there in pentose
  2. 4
  3. 5
  4. 6
  5. 7

The answer is B. 5

  1. Which among the following is not a complex for sugar?
  2. Monosaccharides
  3. Disaccharides
  4. Polysaccharides
  5. Oligosaccharides

The answer is A. Monosaccharides

  1. Five and six-membered rings are favoured over rings size because of their?
  2. Conformational structure
  3. Better molecular structural
  4. Low angular and eclipsing strains
  5. High angle and eclipsing strains

The answer is C. Low angular and eclipsing strains

  1. The primary chemical element which make carbohydrate are
  2. C, H and N
  3. C, H and S
  4. C, H and O
  5. C, H and P

The answer is C. C, H and O

  1. Sugars having CHO functional are classified as?
  2. Aldose
  3. Ketose
  4. Unsure
  5. None of the option

The answer is A. Aldose

  1. Sugar of the same molecular and structural formula but different optical activities are known as ?
  2. Polymer
  3. Dimer
  4. Monomer
  5. Anomers

The answer is D. Anomers

  1. The shape of furanose molecules is
  2. Straight chain
  3. Open chain
  4. Cyclic chain
  5. None of the above

The answer is C. Cyclic chain.

 

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