II 2011 11UBO230204 PTERIDOPHYTES, GYMNOSPERMS AND PALEOBOTANY SECTION ... Palaeobotany is a branch of botany which deals with a) living plants b) Fossil plants c) Flowering plants d) all of ... Write a short note on reproduction in rhynia. SECTION – C. Answer any FOUR questions ...
Date added: November 20, 2013 - Views: 6
No living plants have generations that are alike but many algae do and so do some fossil plants. ... Pteridophytes, ... Rhynia appeared in the mid-Silurian record about 425 million years ago.
Date added: January 31, 2013 - Views: 18
For earning the degree of M. Sc. in Botany, ... (Rhynia, Horneophyton, Psilophyton) and Psilotales (Psilotum, ... General account of fossil Pteridophytes. GYMNOSPERMS. Classification and distribution of Gymnosperms with special reference to India. Study of their morphology, ...
Date added: December 31, 2013 - Views: 18
SUBJECT CODE: PART: COURSE: TITLE: Hours Credit 08 UBO 3404 III Core IV Pteridophytes, Gymnosperms and Paleobotany 3 3 Core – IV . Pteridophytes, ... Unit-5: A brief study of the following fossil forms Rhynia, Lepidodendron, Lepidocarpon, Calamites and Williamsonia. Books for Study:
Date added: September 15, 2013 - Views: 29
Rhynia, Asteroxylon. Class 2: Psilotopsida - includes most primitive living vascular cryptogams. Order: Psilotales eg. Psilotum. Class 3 ... This class includes both living and fossil pteridophytes. The living members are commonly called horsetails. This class has 4 orders viz. Hyeniales ...
Date added: January 30, 2012 - Views: 86
Fossils of Pteridophytes: Rhynia ((MH 473/JRM 271-272). Lepidodendron (MH 485-487/JRM 272-273/GK 954-55) and Lepidostrobus (MH 487-488/GK 956). The false seed: Lepidocarpon (MH 491/GK 957).
Date added: November 20, 2013 - Views: 6
Botany (UG courses) May 2008. A.P. State Council of Higher Education ... Pteridophytes: General characters, classification, ... reproduction, life history and systematic position of Rhynia, Lycopodium, Equisetum and Marsilea.
Date added: August 9, 2013 - Views: 23
Pteridophytes resemble the seed ... All members (living and fossil) of division pteridophyta have eusporangiate sporangia ... Rhynia and Horneophyton are the most completely known genera. R . gwynne vaughanii is a fossil plant (18.0 cm tall) .
Date added: January 1, 2013 - Views: 5
SEM SUBJECT CODE PART COURSE SUBJECT TITLE HRS/ WEEK CREDIT INT. MARK EXT. ... Pteridophytes – History – origin of pteridophytes – general characters ... A brief study of the following fossil forms Rhynia, Lepidodendron, Lepidocarpon, Calamites and Williamsonia.
Date added: May 19, 2013 - Views: 26
Study of morphological details of fossil pteridophytes with particular reference to Rhynia, Trimerophyton and Zosterophyton. Study of morphology, anatomy, reproduction and life cycle pattern in Psilotum. Section-B. Diagnostic characters of Lycopsida.
Date added: May 3, 2013 - Views: 10
Fossil records, biochemical and ... the Rhynia-type plants of the earliest Devonian period evolved very rapidly and radiated (see: ( radiation of biological species: has nothing to do with radioactivity!) ... pteridophytes were the first vascular plants ...
Date added: August 3, 2013 - Views: 9
In X. Li, ed. Fossil ... Edwards, D., and U. Fanning. 1985. Evolution and environment in the late Silurian-early Devonian: the rise of the pteridophytes ... On Old Red Sandstone plants showing structure, from the Rhynie Chert Bed, Aberdeenshire, Part II. Additional note on Rhynia ...
Date added: July 8, 2014 - Views: 1
Stelar evolution in pteridophytes, Heterospory and origin of seed habit. Structure, development and evolution of sorus in Filicales. Phyletic slide ... Study of morphology and anatomy of the vegetative and reproductive structure in the following fossil forms: Rhynia, Lepidodendron ...
Date added: April 1, 2014 - Views: 5
Fossil bryophytes, physiology and morphogenesis. SUGGESTED READINGS: Cavers, F. 1979. The Interrelationships of the Bryophytes Reprint. ... General topics: Origin and evolution of Pteridophytes, Heterospory and seed habit. GYMNOSPERMS.
Date added: July 5, 2014 - Views: 4
Sambamurty A.V. S.S. 2005. A Text Book of Bryophytes, Pteridophytes, Gymnosperms and Paleobotany. I.K. International Pvt. Ltd. New Delhi. Varantha Pallabhi & Gautham. ... Fossil Pteridophyte : Rhynia . Fossil Gymnosperm: Williamsonia. Fossil Angiosperm : Palmoxylon. Indian contribution to ...
Date added: May 14, 2012 - Views: 106
B.Sc. BOTANY PROGRAMME STRUCTURE ... (Pteridophytes, Gymnosperms & Paleobotany) - 4* -- -- --- ---- Core – III ... A brief study of the following fossil types: Pteridophyte fossils – Rhynia, Lepidodendron, Lepidocarpon and Lyginopteries.
Date added: April 8, 2014 - Views: 4
Structure and reproduction of the following fossil types. Rhynia, Lepidodendron and Sphenophyllum. UNIT - IV General characters of Gymnosperms - classification of gymnosperms according to K.R. Sporne. Structure ... PTERIDOPHYTES, GYMNOSPERMS AND PALAEOBOTANY -Lab Course ...
Date added: November 13, 2012 - Views: 61
Rhynia – rekonstrukce vzhledu rostliny. ... http://skywalker.cochise.edu/wellerr/fossil/planttree/6fssl-plant-lepidodendron2-pa-dechant.jpg 6.3.2009. ... http://lesbeauxjardins.com/cours/botanique/8-pteridophytes/psaronius.jpg.
Date added: May 28, 2013 - Views: 2