BOTANY
PAPER – I
1. Microbiology and Plant Pathology:
Structure and
reproduction/multiplication of viruses, viroids, bacteria, fungi and
mycoplasma; Applications of microbiology in agriculture, industry, medicine and
in control of soil and water pollution; Prion and Prion hypothesis.
Important crop diseases caused by
viruses, bacteria, mycoplasma, fungi and nematodes; Modes of infection and
dissemination; Molecular basis of infection and disease resistance/defence;
Physiology of parasitism and control measures; Fungal toxins; Modelling and
disease forecasting; Plant quarantine.
2. Cryptogams:
Algae, fungi, lichens, bryophytes,
pteridophytes - structure and reproduction from evolutionary viewpoint; Distribution
of Cryptogams in India
3. Phanerogams:
Gymnosperms: Concept of
Progymnosperms; Classification and distribution of gymnosperms; Salient
features of Cycadales, Ginkgoales, Coniferales and Gnetales, their structure
and reproduction; General account of Cycadofilicales, Bennettitales and
Cordaitales; Geological time scale; Type of fossils and their study techniques.
Angiosperms: Systematics, anatomy, embryology, palynology and phylogeny.
Taxonomic hierarchy; International
Code of Botanical Nomenclature; Numerical taxonomy and chemotaxonomy; Evidence
from anatomy, embryology and palynology. Origin and evolution of angiosperms;
Comparative account of various
systems of classification of angiosperms; Study of angiospermic families – Mangnoliaceae, Ranunculaceae, Brassicaceae,
Rosaceae, Fabaceae, Euphorbiaceae, Malvaceae, Dipterocarpaceae, Apiaceae,
Asclepiadaceae, Verbenaceae, Solanaceae, Rubiaceae, Cucurbitaceae, Asteraceae, Poaceae,
Arecaceae, Liliaceae, Musaceae and Orchidaceae.
Stomata and their types; Glandular
and non-glandular trichomes; Unusual secondary growth; Anatomy of C3 and C4
plants; Xylem and phloem differentiation; Wood anatomy. Development of male and
female gametophytes, pollination, fertilization; Endosperm - its development
and function; Patterns of embryo development; Polyembroyony and apomixes;
Applications of palynology; Experimental embryology including pollen storage
and test-tube fertilization.
4. Plant Resource Development:
Domestication and introduction of
plants; Origin of cultivated plants; Vavilov’s centres of origin; Plants as sources
for food, fodder, fibre, spices, beverages, edible oils, drugs, narcotics,
insecticides, timber, gums, resins and dyes, latex, cellulose, starch and its
products; Perfumery; Importance of Ethnobotany in Indian context; Energy
plantations; Botanical Gardens and Herbaria.
5. Morphogenesis:
Totipotency, polarity, symmetry and
dfferentiation; Cell, tissue, organ and protoplast culture; Somatic hybrids and
Cybrids; Micropropagation; Somaclonal variation and its applications; Pollen
haploids, embryo rescue methods and their applications.
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