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WorksheetsBiomolecules and Carbohydrates Quiz
Total questions: 25
Worksheet time: 35mins
Explain the characteristics of biomolecules like carbohydrates, proteins and nucleic acids and hormones.
Classify carbohydrates, proteins, nucleic acids and vitamins on the basis of their structures.
Explain the difference between DNA and RNA.
Describe the role of biomolecules in biosystem.
What are the three groups into which carbohydrates are classified based on their behavior on hydrolysis?
Monosaccharides, Oligosaccharides, Polysaccharides
Sugars, Non-sugars, Alcohols
Aldoses, Ketoses, Disaccharides
Simple, Complex, Mixed
What is the general formula for carbohydrates?
C_x(H_2O)_y
C_xO_y
C_xH_yO_z
C_xH_2O_y
What are monosaccharides?
Carbohydrates that cannot be hydrolyzed further
Carbohydrates that yield two to ten monosaccharide units
Carbohydrates that yield a large number of monosaccharide units
Carbohydrates that are sweet in taste
What are oligosaccharides?
Carbohydrates that yield two to ten monosaccharide units
Carbohydrates that cannot be hydrolyzed further
Carbohydrates that yield a large number of monosaccharide units
Carbohydrates that are sweet in taste
What are polysaccharides?
Carbohydrates which yield a large number of monosaccharide units
Carbohydrates that yield two to ten monosaccharide units
Carbohydrates that cannot be hydrolyzed further
Carbohydrates that are sweet in taste
What are reducing sugars?
Carbohydrates which reduce Fehling’s solution and Tollens’ reagent
Carbohydrates that yield two to ten monosaccharide units
Carbohydrates that cannot be hydrolyzed further
Carbohydrates which yield a large number of monosaccharide units
What is glucose known as?
Aldohexose
Ketose
Disaccharide
Polysaccharide
What does the 'D' before the name of glucose represent?
Configuration of the molecule
Optical activity
Presence of hydroxyl groups
None of the above
What is the cyclic structure of glucose called?
Pyranose
Furanose
Hexose
None of the above
What type of sugar is sucrose classified as?
Reducing sugar
Non-reducing sugar
Monosaccharide
Polysaccharide
What is the molecular formula of fructose?
C6H12O6
C5H10O5
C6H10O5
C6H14O6
What is the linkage between two monosaccharides called?
Glycosidic linkage
Peptide bond
Hydrogen bond
Ionic bond
What is the common name for lactose?
Milk sugar
Fruit sugar
Table sugar
None of the above
Glucose or sucrose are soluble in water but cyclohexane or benzene (simple six membered ring compounds) are insoluble in water. Explain.
What are the expected products of hydrolysis of lactose?
How do you explain the absence of aldehyde group in the pentaacetate of D-glucose?
The melting points and solubility in water of amino acids are generally higher than that of the corresponding halo acids. Explain.
Where does the water present in the egg go after boiling the egg?
What is the primary function of carbohydrates in the body?
Genetic information storage
Hormone production
Structural component
Energy source
Which of the following is a disaccharide?
Glucose
Fructose
Sucrose
Starch
What is the process called when carbohydrates are broken down into simpler sugars?
Fermentation
Oxidation
Condensation
Hydrolysis
