Exam Details
| Subject | chemistry of natural products | |
| Paper | ||
| Exam / Course | m.sc. chemistry | |
| Department | ||
| Organization | solapur university | |
| Position | ||
| Exam Date | April, 2018 | |
| City, State | maharashtra, solapur |
Question Paper
M.Sc. (Semester IV) (CBCS) Examination Mar/Apr-2018
Organic Chemistry
CHEMISTRY OF NATURAL PRODUCTS
Time: 2½ Hours
Max. Marks: 70
Instructions: Attempt any five questions. All question carry equal marks. (Section Q.1 is compulsory. Attempt any two questions from section II Attempt any two questions from section III
Section I
Q.1
Fill in the blanks:
07
Hardwickiic acid contains chiral centres.
The liver secretes a clear golden yellow viscous fluid is known as
The precursor unit for terpenoid biogenesis is
is found naturally in the breast milk of mammals.
Morphine has hydroxyl functional groups.
is used as precursor for biosynthesis of reserpine.
Zingiberene is isolated from
Answer the following
07
What is the chemical nature of prostaglandins?
What is the medicinal use of camptothecin?
Write down the name of precursor involved in biosynthesis of cholesterol.
Citral belongs to which class of terpenoids?
Which compound is used for biosynthesis of ephedrine?
Which vitamin deficiency causes the disease beriberi?
What is the natural source of riboflavin?
Section II
Q.2
What are sex hormones? Outline the steps involved in the conversion of diosgenin → progesterone and oestrone.
07
Explain the nature of side chain in β-carotene by Kuhn-Roth oxidation.
07
Q.3
Describe the number and nature of double bonds in zingiberene.
07
Write down the Karrer et. al. synthesis of riboflavin.
07
Q.4
What are prostaglandis? Explain in brief their classification as well as their Physiological effects.
07
Define the term 'vitamins'. Give the analytical evidences to prove the structure of pyridoxine.
07
Section III
Q.5
Give analytical synthetic evidences to establish the structure of vitamin B2.
05
Describe mode of action of camptothecin.
05
Define lignins. Show its biosynthesis from coniferyl alcohol.
04
Page 2 of 2
SLR-UF-163
Q.6
Write down biosynthesis of isoflavonoids from cinnamic acid.
05
Describe biosynthesis of methionine from folic acid.
05
Write the Synthesis of progesterone from diosgenin.
04
Q.7
Write a note on any Three of the following.
14
Squalene to lanosterol
Structure of Yobyrine
Biological role of vitamin B6 in transamination
Synthesis of biotin
Organic Chemistry
CHEMISTRY OF NATURAL PRODUCTS
Time: 2½ Hours
Max. Marks: 70
Instructions: Attempt any five questions. All question carry equal marks. (Section Q.1 is compulsory. Attempt any two questions from section II Attempt any two questions from section III
Section I
Q.1
Fill in the blanks:
07
Hardwickiic acid contains chiral centres.
The liver secretes a clear golden yellow viscous fluid is known as
The precursor unit for terpenoid biogenesis is
is found naturally in the breast milk of mammals.
Morphine has hydroxyl functional groups.
is used as precursor for biosynthesis of reserpine.
Zingiberene is isolated from
Answer the following
07
What is the chemical nature of prostaglandins?
What is the medicinal use of camptothecin?
Write down the name of precursor involved in biosynthesis of cholesterol.
Citral belongs to which class of terpenoids?
Which compound is used for biosynthesis of ephedrine?
Which vitamin deficiency causes the disease beriberi?
What is the natural source of riboflavin?
Section II
Q.2
What are sex hormones? Outline the steps involved in the conversion of diosgenin → progesterone and oestrone.
07
Explain the nature of side chain in β-carotene by Kuhn-Roth oxidation.
07
Q.3
Describe the number and nature of double bonds in zingiberene.
07
Write down the Karrer et. al. synthesis of riboflavin.
07
Q.4
What are prostaglandis? Explain in brief their classification as well as their Physiological effects.
07
Define the term 'vitamins'. Give the analytical evidences to prove the structure of pyridoxine.
07
Section III
Q.5
Give analytical synthetic evidences to establish the structure of vitamin B2.
05
Describe mode of action of camptothecin.
05
Define lignins. Show its biosynthesis from coniferyl alcohol.
04
Page 2 of 2
SLR-UF-163
Q.6
Write down biosynthesis of isoflavonoids from cinnamic acid.
05
Describe biosynthesis of methionine from folic acid.
05
Write the Synthesis of progesterone from diosgenin.
04
Q.7
Write a note on any Three of the following.
14
Squalene to lanosterol
Structure of Yobyrine
Biological role of vitamin B6 in transamination
Synthesis of biotin
Other Question Papers
Subjects
- advanced organic chemistry – i
- advanced organic chemistry – ii
- advanced spectroscopic methods
- analytical chemistry – i
- applied organic chemistry
- chemistry of natural products
- inorganic chemistry – i
- inorganic chemistry – ii
- instrumental methods of analysis (oet)
- organic chemistry – i
- organic chemistry – ii
- photochemistry and pericyclic reactions
- physical chemistry – i
- physical chemistry – ii
- stereochemistry