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What are epimers and anomers ?
What are the biological functions of lipids ?
What are carbohydrates ? How are they classified ?

Discuss the uses of waxes with examples.

Write short note on chemical shift. ए bog
. i an amin
What is meant by Zwitterion ? How does isoelectric point influence the properties ©
acid ?
(10 x 2 = 20 marks)
Section C

Answer any five questions.
Each question carries 6 marks.

Briefly discuss secondary and teritiary structure of proteins.
How will you distinguish between the following pairs of compounds ೦
spectroscopy :

(a) Ethyl alcohol and diethyl ether.

(b) Acetic acid and ethy] acetate.
What is meant by spin-spin splitting ? Illustrate taking the case of eth

n the basis of IR

yl alcohol.

Discuss the structure of starch and cellulose.

Discuss the structural details of RNA and DNA and make a critical comment on
mese molecules.

Discuss the uses of lemon grass oil and Eucalyptus oil.

Write short note on Diels-Alder reaction .

How are vitamins classified ? Give the structure of one vitamin belonging to each class
(5 x 6 = 30 marks)

the functions of

Section D

Answer any two questions.
Each question carries 10 marks.

Discuss the source, structure and physiological functions of coniine and piperine.

Explain in detail DNA fingerprinting and its applications.
(a) Write short note on Anabolic steroids and their abuse.
(ந) Write short note on Hydrogenation and drying of oils.
(a) Discuss colour tests for proteins.

{b) Inversion of cane sugar.
(2 x 10 = 20 marks)