DISTANCE EDUCATION
M.Sc. (Botany) DEGREE EXAMINATION, DECEMBER 2017.
PLANT TAXONOMY
(Specialization Plant Bio-technology)
(2008 onwards)
Time Three hours Maximum 100 marks
Answer any FIVE questions.
x 20 100)
1. Differentiate species concept and biotype.
What is Binomial? Write the advantages of binomial
nomenclature.
Write short notes on Ecad and Ecotype.
2. List out the merits and demerits of Bentham and
Hooken classification.
Explain Chemotaxonomy.
Write short note on Author citation.
3. Write an account on numerical taxonomy.
Bring out the features of Biosystematics.
Write the current approaches in Taxonomy.
Sub. Code
12
DE-2970
2
Ws9
4. Difference between author citation and publication
of names.
Give a detailed account on rejection of names.
Write the principles of ICBN.
5. Bring out the floral characters of Rhamnaceae.
Describe the floral characters of Loranthaceae.
List out the commercial importance of Orchidaceae.

6. Write an account of biological and molecular
systematics.
Give an account on history of plant taxonomy.
Write various vegetation types of Tamil Nadu.
7. Write an account on Takhtajan classification.
Describe numerical taxonomy.
Write an account on botanical nomenclature.
8. Write an elaborate account on continental drift.
Explain the salient features of Lorantheceae.
Enumerate the ecological adoptation and economic
importance of Orchidaceae.
————————