(Botany ,Paper-3) Pteridophytes,Gymnosperms & Palaeobotanty UOR B.SC , B.ED Second Year Bilingual book

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AUTHORS : Dr. Savita Singhal , Dr. Rachana Saxena 

ISBN : 978-93-6180-847-0

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Paper-III: Pteridophytes, Gymnosperms and Palaeobotany

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Unit-I

General characters of Pteridophytes, Classification (G.M. Smith). Distribution and alternation of generation. Stelar system in Pteridophytes. Eusporangiate and leptosporangiate development of Sporangia, Apogamy, and Apospory. Economic importance of Pteridophytes.

 

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Unit-II

Morphology, anatomy and reproduction of Psilotum, Selaginella, Equisetum and Marsilea.

 

Characteristics of Gymnosperms, distribution and classification (K.R.Sporne).

 

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Unit-III

Morphology, anatomy, reproduction and life cycle of Cycas, Pinus and Ephedra. Economic importance of Gymnosperms.

 

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Unit-IV

Process of fossilisation, types of fossils, techniques of study of fossils. Geological time scale. Primitive land plant: Rhynia, Fossil Pteridophytes: reconstructed plants-Lepidodendron and Calamites. Fossil Gymnosperm- Williamsonia.

 

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Practical

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1) Study of external morphology, anatomy of vegetative and reproductive parts of Psilotum, Selaginella, Equisetum and Marsilea. 

2) Study of external morphology, anatomy of vegetative and reproductive and reproductive parts of Cycas, Pinus and Ephedra.

3) Study of fossils and slides of fossils.

4) Preparation of charts of Geological time scale

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UOR2025/B.Sc.B.ED(Bilingual)/2/15
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