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: 8
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
Williamsonia is a fossil pteridophyte. III. Complete the following ... Mention the two species of Rhynia. PART – B (5 x 7 = 35 marks ... 21. a) Discuss the general characters of Pteridophytes. (OR) b) What is heterospory? How does it lead to the formation of seed habit? 22. a) Describe ...
Date added: September 6, 2014 - Views: 1
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: 88
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: 42
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: 8
Pteridophytes: General characters, classification, ... (5 h) Structure, reproduction, life history and systematic position of Rhynia, Lycopodium, Equisetum and Marsilea. ... G- Fossil – Photograph/slide (Diagrams not necessary)
Date added: August 9, 2013 - Views: 34
Course III Pteridophytes, ... (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: 29
Tracheids have a distinctive lignified wall thickening and preserve well in the fossil record. The earliest vascular plants of the Silurian and Devonian have tracheids that conducted material and provided support.
Date added: July 1, 2013 - Views: 6
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
Unit 1: Pteridophytes – History – origin of pteridophytes – general characters – classification (Sporne, 1970) ... Radiocarbon dating. A brief study of the following fossil forms Rhynia, Lepidodendron, Lepidocarpon, Calamites and Williamsonia.
Date added: May 19, 2013 - Views: 42
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: 14
In preparation for the scheduled exams (see syllabus) make yourself very familiar with following terms, key topics and concepts. the listed units and chapters refer to the lecture course-required textbook “Biology: Concept & Connections”; Campbell, Mitchell, Reece; 3rd or 4th edition
Date added: August 22, 2013 - Views: 6
(Pteridophytes, Gymnosperm & Paleobotany) 4 5 25 75 100 1MBO1C3 ... Study of morphology and anatomy of the vegetative and reproductive structure in the following fossil forms: Rhynia, Lepidodendron ... (1992). Biodiversity. Mac Millan, India Press, Madras. Palanichami, S. and Manokaran, M. (1994 ...
Date added: April 1, 2014 - Views: 8
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: 129
General characters and classification of the Pteridophytes according to K.R. Sporne, stelar evolution in Pteridophytes, ... A brief study of the following fossil types: Pteridophyte fossils – Rhynia, Lepidodendron, Lepidocarpon and Lyginopteries. Gymnosperm fossils: Pentoxylon and Williamsonia.
Date added: April 8, 2014 - Views: 7
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: 10
IFS 2007 Botany PAPER I. SECTION A. 1. Write short notes on any four of the following in about 150 words each: (a) Lysosomes (10) (b) Cytoskeleton (10)
Date added: September 11, 2014 - Views: 1
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: 81
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