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-VIII
(Natural Product)
Annual Examination, 2018
Time 3 Hours. Full Marks 80
Answer any FIVE Questions.
All questions carry equal marks.
1. What are Terpenoids How are they classified Establish the structure of Phytol.
2. Write shorts notes on the following
Morphine
Quinine
3. Name the different members of the class flavones, isoflavones, anthocyanins and
anthocyanidins. Discuss the general method of determining the structure of flavone.
4. What are Hormones Draw the structure of cholesterol, cholestanol and cholestanone.
5. Establish the structure of zingiberene.
Establish the structure of abietic acid.
6. Discuss biosynthesis of isoflavones.
7. Discuss the structure of opianic acid.
Discuss the degradative reactions of narcotine.
8. Discuss the structure of Vitamin C and its synthesis.
9. Discuss the position of the two angular methyl group in cholesterol.
Establish the structure of Vitamin B6.
10. What are Vitamins Discuss the classification of Vitamins and write the important sources and
their deficiency diseases