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, 2018
Time 3 Hours. Full Marks 80
Answer any FIVE Questions.
All questions carry equal marks.
1. What are Carbohydrates Establish the ring structure of glucose.
2. What are aminoacids Discuss the chemical reaction of aminoacids involving the both
functional groups present in the molecule.
3. Write down the structure and synthesis of any Two of the following
Adenine
Guanine
Uracil
4. Write short notes on any Two of the following
Nicotine
Isoprene Rule
Morphine
5. What are alkaloids How are they classified Give details of Quinine.
6. Name the products of the reaction of D-glucose with the following reagents
NH 2OH C 6H 5NHNH 2 Br 2 2O
CH 3OH /Hcl CH 3I /Ag 2O
7. Predict the products of and in the following sequences of reactions


8. What are Glycosides Give classification of glycosides. Determine the structure of glycosides
by its synthesis
9. What are important Lipids Write details about biological functions of Lipid and its metabolism
10. How you will carry the following conversions
Glucose to Fructose
Citral to Cyclocitrals
Fructose to Glucose