M.Sc-M.Sc Botany 2nd Year Paper - V : DEVELOPMENTAL BIOLOGY OF ANGIOSPERMS AND ETHNOBOTANY (Acharya Nagarjuna University - Center for Distance Education, Guntur, Andhra Pradesh-2013)

(DBOT 21)

M.Sc. (Final) DEGREE EXAMINATION, MAY - 2013
Second Year
Botany
Paper - V : DEVELOPMENTAL BIOLOGY OF
ANGIOSPERMS AND ETHNOBOTANY

Time : 03 Hours                                                           Maximum Marks : 100

Section - A (5 × 8 = 40)
Answer any Five questions

1) NPC EDC System.
2) Types of ovules.
3) Korper-Kappe theory.
4) Velamin exodermis complex.
5) Anomalous growth in Strychnos.
6) Endemic species.
7) Talakona.
8) Ethnobotanical Museums.
Section - B (4 × 15 = 60)
Answer All questions

9) a) Give an account of the development of the different types of endosperms and add a
note on its functions.
OR
b) Write an essay on seed dispersal with examples.
10) a) Elucidate the different theories concerned with the organisation of shoot apex.
OR
b) Give a detailed account of the structure of a dicot root and add a note on origin of
lateral roots.
11) a) What are the threats to sacred groves and explain the strategies for their conservation.
OR
b) Write an essay on the concept, scope and importance of Ethnobotany.
12) a) Write a detailed account on any two major medicinal plants of Andhra Pradesh you
have studied.
OR
b) Write an essay on phytochemicals of commercial significance and add a note on their
importance.
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