BOTANY
PAPER-I
1. Microbiology and Plant Pathology: Viruses, bacteria, and plasmids-structure and reproduction. General account of infection,
Phytoimmunology. Applications ofmicrobiology in agriculture, industry, medicine
and pollution control in air, soil and water.
Important plant diseases caused by viruses, bacteria, mycoplasma,
fungi and nematodes. Mode of infection and dissemination. Molecular basis of
infection and disease resistance/defence. Physiology of parasitism and control
measures. Fungal toxins.
2. Cryptogams: Algae, Fungi,
Bryophytes, Pteridophytes-structure and reproduction from evolutonary
viewpoint. Distribution of Cryptogams in India and their economic potential.
3. Phanerogams: Gymnosperms: Concept
of Progymonosperms. Classification and distribution of Gymnosperms. Salient
features of Cycadales, Coniferrals and Gnetales, their structures and
reproduction. General account of Cycadofilicales, Bennettitales and
Cordaitales.
Angiosperms: Systematics, anatomy,
embryology, palynology and phylogeny. Comparative account of various systems of
Angiosperm Classiification. Study of angiospermic families–Magnoliaceae,
Ranunculaceae, Brassicaceae (Cruci-ferae), Rosaceae, Leguminosae,
Euphorbiaceae, Malvaceaie, Dipterocar-paceae, Apiaceae Umbelliferae),
Asclepiadaceae, Verbenaceae, Solana-ceae, Rubiaceae, Cucurbitaceae, Asteraceae
(Composite), Poaceae (Gramineae), Arecaceae (Palmae), Liliaceae, Musaceae,
Orchidaceae. Stomata and their types. Anomalous secondary growth, Anatomy of C
3 and C 4 plants. Development of male and female gametophytes, pollination,
fertilization. Endosperm– its development and function. Patterns of embryo
development. Polyembryony, apoxmix, Applications of palynology.
4. Plant Utility and Exploitation:
Origin of cultivated plants, Vavilov's centres of origin. Plants
as sources for food, fodder, fibres, spices, beverages, drugs, narcotics,
insecticides, timber, gums, resins and dyes. Latex, cellulose Starch and their
products. Perfumery. Importance of Ethnobotany in Indian context. Energy
plantation. Botanical Gardens and Herbaria.
5. Morphogenesis: Totipotency,
polarity, symmetry and differentiation. Cell, tissue, organ and protoplast
culture. Somatic hybrids and Cybrids.
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