N A L A N D A O P E N U N I V E R S I T Y
M.Sc. Chemistry, Part-I
PAPER-VI
(Chemistry of Biomolecule)
Annual Examination, 2016
Time 3 Hours. Full Marks 80
Answer any FIVE Questions.
All questions carry equal marks.
1. What is Carbohydrate Establish ring structure of glucose.
2. What are amino acids Discuss the chemical reaction of amino acids involving the both
functional groups present in the molecule.
3. What is Glycosides Give classification of glycosides. Determine the structure of glycoside by
its synthesis.
4. What are alkaloids How are they extracted from plants Discuss the structure of piperine.
5. Write down the structure and synthesis of any Two of the following
Adenine
Cytosine
Thymine
6. What is Maltose Establish the structure of maltose by degradative and synthistic methods.
7. Name the important Lipids. Write details about biological functions of Lipid and its
metabolism.
8. Write notes on the following
Cephalines
Peptidelinkage
Zwitterion
Sphingomyelins
9. Write down the structure of cytosine and thymine. Give synthesis of each of one purinebase
and pyrimidine base.
10. How will you effect of any Three conversions
Citral to p-cymene.
Citral to amones.
Citral to cyclocitrals.
Geranial to -terpinol.