Subject Title: Gymnosperms, Taxonomy of Angiosperms and Ecology
Year:
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Semester: Updated on: 08-02-2020
Unit - I: Gymnosperms : Essay type Questions
- Describe the general characters of Gymnosperm and add a note on its alternation of generations and classification.
- Write a note on Economic importance of Gymnosperms.
- Describe internal structure of Pinus needle (T.S) and add a notes on it xerophytic characters ?
- Describe the Primary stem internal structure of Pinus and add a note on its secondary growth
- Describe the structure of Microsporangium and male gametophyte development in pinus.
- Describe the development of embryo in Pinus and add a note on seed structure and seed germination.
- Describe the structure of ovule and female gametophyte development in pinus?
- Describe the life history of pinus. Describe the primary stem internal structure in Gnetum and add a note on its secondary growth.
- Describe the structure of microsporangium and add a note on male gametophyte of Gnetum and different views on it.
- Describe Megasporogenesis and development of female gametophyte and a note on endosperm in gnetum.
- Describe the development of embryo and add a note on seed structure in gnetum.
- Give an account on Polyembryony in gnetum and add a note on seed germination and its economic importance.
- Describe life history of gnetum.
- Explain how gnetum resembles and differ from gymnosperms and angiosperms.
- Compare the male gametophyte of pinus and gnetum.
- Compare the ovule of gnetum and pinus at the time of fertilization.
- Give an account of importance of fossils in the study of plant organs and reconstruction of organism.
- Describe the formation of different types of fossils and their importance.
- Give an account on geological time scale.
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Short Answer type Questions:
- Pinus male cone.
- Pinus female cone.
- Pinus ovule and ovuliferous scale.
- Gnetum male cone.
- Gnetum female cone.
- Pinus economic importance.
- Pinus morphological characters.
- Gnetum morphological characters.
- Poly embryony in gnetum.
- Pinus pollen grain.
- Fossils and fossilization
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Unit - 11 Taxonomy of Angiosperms: Essay type questions.
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- Explain the Bentham and Hooker system of classification with merits and demerits.
- Explain the Engler and Prantl’s system of classification with merits and demerits.
- Describe the embryology in relation to Taxonomy.
- Describe the chemotaxonomy.
- Describe Shenzen code- a brief account.
- Explain the Herbarium concept, techniques and applications.
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Short Answer type questions:
- What is Cytotaxonomy and ICBN.
- Write about on Herbarium applications.
- Write about on APG systems.
- Artificial classification and Natural classification.
- Phylogenetic classification
- Numerical Taxonomy.
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Unit - Il : Taxonomy of Angiosperms Families: Essay type Questions:
- Systematic study and economic importance of families-Annonaceae.
- Fabaceae.
- Cucurbitaceae.
- Euphorbiaceae.
- Asclepiadaceae.
- Orchidaceae.
- Zingerbiaceae.
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Short Answer type Questions:
- Economic importance of Fabaceae.
- Floral characters of Asteraceae and pollination mechanism.
- Pollination mechanism in Asclepiadaceae and taxonomy affinities.
- Floral characters of Amaranthaceae
- Pollination in Orchids.
- Rutaceae
- Poaceae
- Lamiaceae
- Capparidaceae.
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Unit - IV: Ecology : Essay type Questions
- Describe the Components of Ecosystem.
- Explain the Ecological adaptations of plants.
- Describe the plant Succession serial stages.
- Describe the climax formation with reference to Hydrosere, xerosere and mesophytes.
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Short Answer type Questions:
- Food chain and food web.
- Energy flow.
- Hydrophytes.
- Xerophytes.
- Mesophytes
- Modification of Environment.
- Hydrosere and xerosere.
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