Page 37 - CatalogNEP-LS
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LEARNING OUTCOMES:
This course will enable the students to understand:
Understand general characters of Pteridophytes and stellar evolution among them,
Structure, reproduction, life cycle and systematic position
Study and impart knowledge about the occurrence, distribution, structure, and life history
of lower plants
They will learn phylogeny and evolutionary concepts in lower group of organisms
THEORY (45 Hours)
UNIT-I: (5 Hours)
Origin and evolution of Pteridophytes, Economic importance of Pteridophytes, Diversity and
distribution of Pteridophytes in India.
UNIT-II: (15 Hours)
Classification of Pteridophytes with special reference to ferns, Criteria for classification of ferns.
General characteristics of some living fern families. A brief account of generas of major fern
families especially Marattiaceae (Marattia), Ophioglossaceae (Ophioglossum), Osmundaceae
(Osmunda), Dryopteridaceae (Dryopteris), Pteridaceae (Adiantum), Marsileaceae (Marsilea),
Salviniaceae (Salvinia), Azollaceae (Azolla), Aspleniaceae (Asplenium) and Polypodiaceae
(Platycerium). Telome theory and evolution of stelar system in Pteridophytes.
UNIT-III: (10 Hours)
Types, structure and germination pattern of spores in Pteridophytes. Structure, types and
development of fern prothalli. Antheridium-inducing substances in ferns.
UNIT-IV: (15 Hours)
Apogamy and apospory in pteridophytes (types and inductions), heterospory and its significance.
Role of ferns in phytoremediation, ferns as hyperaccumulators of arsenic, mechanism of uptake,
transfer and tolerance. Chromosome numbers and polyploidy in Pteridophytes.
PRACTICAL(30 Hours)
1. Study of the morphology, anatomy, and reproductive structures of the representatives of
the fern families mentioned in the theory part.
2. Taxonomical characters of ferns for generic identification and characterization of families.
3. Studies on the fern spores and their morphology.
SUGGESTED READINGS:
1. Khullar, S.P. An Illustrated Fern Flora of West Himalayas (Vols. I and 2), International
Book Distributors, Dehradun, 2000.
2. Rashid, A. An Introduction to Pteridophyta, Vikas Publishers, New Delhi, 1999.
3. Sporne, K.R. The Morphology of Pteridophytes, B.I., Publications, Bombay, Delhi,
Madras, 1982.
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