Subject Title: Plant Anatomy & Embryology
Year: II Semester: II
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Unit - I: Plant Anatomy
- Describe various theories regarding the organisation of Stem apex.
- Theories regarding the organisation of Root apex.
- Describe the structure, distribution and function of different types of Simple tissues.
- What are Special tissues? Describe its various types.
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Unit - II: Wood Anatomy
- What is Anomalous secondary growth? Explain its various reasons in Dicots and Monocots.
- Anomalous secondary growth in A) Boerhaavia stem B) Bignonia stem C) Draceana stem.
- Write an account on the physical and chemical properties of wood and add a note on its uses.
- Give the importance of Teak as timber plant. Mention the properties of teak wood.
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Unit III- Embryology
- Give an account of Microsporogenesis in angiosperms.
- Development of Male gametophyte in angiosperm.
- Describe the various parts of an angiospermic Ovule.
- Structure of a mature Embryosac in angiosperms.
- Structure of Tetrasporic embryosac.
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Unit - IV: Embryology
- Write an essay on pollen morphology.
- What is Cross pollination? Explain its various contrivances with suitable examples and diagrams.
- Explain the process of Fertilization in angiosperms.
- Development of Embryo in Dicot plants.
- Development of Embryo in Monocot plants.
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Short Questions- Unit - I
- Meristems and its types.
- Tunica-corpus theory.
- Histogen theory.
- Kappe theory.
- Structure and types of Collenchyma.
- Hydathodes.
- Laticiferous tissues.
- Trichomes.
- Types of stomata.
- Anatomy of Acacia phyllode.
- T.S of Nympheae petiole.
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- T.S of Achyranthes stem.
- Beta vulgaris root.
Unit—II
- Types of vascular systems.
- Uses of Wood.
- Rose wood.
- Neem.
- Nallamaddi.
- Red sanders.
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Unit - I
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- T.S of Anther wall.
- Types of Ovules.
- Bisporic embryo sac.
- Monosporic: Oenothera type of embryosac.
- Nemec phenomenon.
- Hypostase and Epistase.
- Tapetum and its types.
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Unit IV
- Nuclear, Cellular & Helobial type of endosperm.
- Adventive polyembryony.
- Polyembryony.
- Apomixis.
- Ruminate endosperm.
- Aleurone layer.
- Self —incompatability.
- Pollen — pistil interaction.
- NPC Classification.
- Sporoderm.
- Self-pollination contrivances:
- Entomophily.
- Hydrophily.
- Dichogamy.
- Abiotic pollinating agents (water and air).
- Pollen grain apertures.
- Advantages of cross pollination.
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This download link is referred from the post: OU B.Sc Life Sciences 2021 Important Question Bank || Osmania University (Important Questions)
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