Q.1
_________ are basic sugars that cannot be easily hydrolyzed in smaller units, are classified according to the noumber of C atoms in the molecule.
  • a) Polysaccharides
  • b) Monosaccharides
  • c) Ketoses
  • d) Aldoses
Q.2
Classification is utilized for carbohydrates with carbon atoms; that is, with trioses, tetroses, pentoses, hexoses and heptoses.
  • a) True
  • b) False
Q.3
_________ are monosaccharides that have an aldehyde when in the acyclic form when hemiacetal form is not present.
  • a) Ketoses
  • b) Hydroses
  • c) Glucose
  • d) Aldoses
Q.4
_________ are monosaccharides with a ketone when they are in the acyclic form.
  • a) Ketoses
  • b) Hydroses
  • c) Glucose
  • d) Aldoses
Q.5
_________ is an example of an aldohexose, and fructose is an example of a ketohexose or hexulose, a 6-carbon ketose.
  • a) Aldaric
  • b) Pentoses arbinose
  • c) Xylose
  • d) Glucose
Q.6
If the terminal R-CH2OH at the C-6 position of an aldose is oxidized to a -COOH, then the mono saccharide is identified as _________ acid.
  • a) Aldaric
  • b) Pentoses arbinose
  • c) Uronic
  • d) Glucose
Q.7
If the aldehyde is oxidized to a -COOH, the compound is denoted to as an _________ acid.
  • a) Aldonic
  • b) Aldaric
  • c) Uronic
  • d) Glucose
Q.8
If both terminal C atoms are oxidized to -COOH, the compound is referred to as an _________ acid.
  • a) Aldonic
  • b) Aldaric
  • c) Uronic
  • d) Glucose
Q.9
Mono saccharide contains of particular importance in woody plant cell wall polysaccharides are not the pentoses, arabinose and xylose.
  • a) True
  • b) False
Q.10
The hexoses glucose, mannose, and galactose; and the uronic acid, glucuronic acid; these structures are shown with the hemicelluloses.
  • a) Hemicelluloses
  • b) L- Glucose
  • c) D- Glucose
  • d) Erythrocytes
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