Biomolecules - Important Questions & Preparation Tips

CBSE Class 12th Chapter, Biomolecules carries 4 Marks in board exam. Experts of Jagranjosh.com offer the best practice material that covers all important questions so that students will not miss any portion while preparing for board exams or competitive exams. Consider the mentioned terms/questions at the time of studying.

• Define carbohydrates. What is the sugar present in milk called?
• Write short note on:

          a) Monosaccharides

          b) Polysaccharides

          c) Oligosaccharides

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• Differentiate between reducing and non-reducing sugar.
• What are aldose and ketose group?
• What are the evidences for the structure assigned for glucose? (very important)
• Predict the spatial arrangement of glucose, gluconic acid and saccharic acid.

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• The cyclic structure of glucose.
• What is pyran?
• The structure of fructose.
• Explain glycosidic linkage with the example of sucrose. (very important)
• Why is maltose a reducing sugar??
• Draw the structure of amylase showing glycosidic link.

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• Write a note on glycogen.
• Why cannot vitamin C be stored in our body?
• When RNA is hydrolysed, there is no relationship among the quantities of different bases obtained. What does this fact suggest about the structure of RNA? (very important)
• Write a note on DNA fingerprinting.
• The expected products of hydrolysis of lactose?

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• Essential and non essential amino acids?
• Write the zwitter ionic form of amino acids.
• The structure of protein and show its classification on the basis of molecular shape.
• The helical structure of proteins and its different levels on the basis of shape and structure. (very important)
• Define denaturation. Where does the water present in the egg go after boiling the egg? (very important)
• The melting points and solubility in water of amino acids are generally higher than that of the corresponding halo acids. Explain. (very important)
• Why cannot vitamin C be stored in our body?
• Draw the structures of nucleoside and nucleotide showing difference between them?
• Prove that the two strands of DNA are complementary? (very important)

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