Acharya Nagarjuna University (ANU) 2005 M.Sc Information and Communication Technology DEVELOPMENTAL BIOLOGY OF ANGIOSPERMS AND ETHNOBOTANY - Question Paper

M.Sc. (Final) DEGREE EXAMINATION,
DECEMBER 2005.
Second Year
Botany
Paper V - DEVELOPMENTAL BIOLOGY OF ANGIOSPERMS AND ETHNOBOTANY

Time : 3 hours Maximum : 100 marks.

ans any 5 ques. from part A.
every ques. carries eight marks
Also ans All the ques. from part B.
every ques. carries15 marks
part A- (5x8=40 marks)

1. Mega sporogenesis.
2. Seed dormancy.
3. Root stem transition.
4. Annual rings.
5. Structural similarities of phloem and Xylem.
6. Biodiversity in sacred groves.
7. Threatened species.
8. Biofuel plants.

part B - (4x15=60 marks)
ans ALL ques..

9. (a) provide an account of the structure of the female gametophyte in angiosperms and add a note on the functions of its components.

Or

(b) Write in illustrated account of the exbryo development in dicots.

10. (a) provide an account of the Gymnoapermous wood and how it differs from that of the angiospermous wood.

Or

(b) Write an account of the anomalous secondary growth in dicots.

11. (a) What is a sacred grove? Mention the protected sacred groves of Andhra Pradesh and provide the details of 1 sacred grove.

Or

(b) Write an account of the major medicinal plants of Andhra Pradesh you have learned.

12. (a) Write an essay on photochemical of commercial significance and provide their medicinal importance.

Or

(b) provide a brief account of the ethno botanical researches in India and mention its significance in strengthening the modern medicine.

Earning:   Approval pending.