Indian Forest Service (IFS) Examination : Syllabus
Syllabus - Botany
Paper-I
1. Microbiology and Plant Pathology: Viruses, bacteria, and plasmids-structure
and reproduction. General account of infection, Phytoimmunology. Applications
of microbiology 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.
Paper-II
1. Cell Biology: Techniques of Cell Biology. Prokaryotic and eukaryotic
cells -structural and ultrastructural details. Structure and function
of extracellular matrix or ECM (cell wall) and membranes-cell adhesion,
membrane transport and vesicular transport. Structure and function of
cell organelles (chloroplasts, mitochondria, ER, ribosomes, endosomes,
lysosomes, peroxisomes, hydrogenosome). Nucleus, nucleolus, nuclear pore
complex. Chromatin and nucleosome. Cell signalling and cell receptors.
Signal transduction (G-1 proteins, etc.). Mitosis and meisdosis; molecular
basis of cell cycle. Numerical and structural variations in chromosomes
and their significance. Study of polytene, lampbrush and B-chromosomes–structure,
behaviour and significance.
2. Genetics, Molecular Biology and Evolution: Development of genetics,
and gene versus allele concepts (Pseudoalleles). Quantitative genetics
and multiple factors. Linkage and crossing over–methods of gene
mapping including molecular maps (idea of mapping function). Sex chromosomes
and sexlinked inheritance, sex determination and molecular basis of sex
differentiation. Mutation (biochemical and molecular basis). Cytoplasmic
inheritance and cytoplasmic genes (including genetics of male sterility).
Prions and prion hypothesis.
Structure and synthesis of nucleic acids and protines. Genetic code and
regulation of gene expression. Multigene families.
Organic evolution-evidences, mechanism and theories. Role of RNA in origin
and evolution.
3. Plant Breeding, Biotechnology and Biostatistics: Methods of plant breeding
-- introduction, selection and hybridization (pedigree, backcross, mass
selection, bulk method). Male sterility and heterosis breeding. Use of
apomixis in plant breeding. Micropropagation and genetic engineering–methods
of transfer of genes and transgenic crops; development and use of molecular
markers in plant breeding.
Standard deviation and coefficient of variation (CV). Tests of significance
(Z-test, t-test and chi-square tests). Probability and distributions (normal,
binomial and Poisson distributions). Correlation and regression.
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4. Physiology and Biochemistry: Water relations, Mineral nutrition and
ion transport, mineral deficiencies. Photosynthesis–photochemical
reactions, photophosphorylation and carbon pathways including C pathway
(photorespiration), C, C and CAM pathways. Respiraion (anaerobic and aerobic,
including fermentation-electron transport chain and oxidative phosphorylation.
Chemiosmotic theory and ATP synthesis. Nitrogen fixation and nitrogen
metabolism. Enzymes, coenzymes, energy transfer and energy conservation.
Importance of secondary metabolites. Pigments as photoreceptors (plastidial
pigments and phytochrome). Photoperiodism and flowering, vernalization,
senescence. Growth substances-their chemical nature, role and applications
in agri-horticulture, growth indices, growth movements. Stress physiology
(heat, water, salinity, metal). Fruit and seed physiology. Dormancy, storage
and germination of seed. Fruit ripening -- its molecular basis and manipulation.
5. Ecology and Plant Geography: Ecological factors. Concepts and dynamics
of community. Plant succession. Concepts of biosphere. Ecosystems and
their conservation. Pollution and its control (including phytoremediation).
Forest types of India - afforestation, deforestation and social forestry.
Endangered plants, endemism and Red Data Books. Biodiversity. Convention
of Biological Diversity, Sovereign Rights and Intellectual Property Rights.
Biogeochemical cyeles. Global warming.
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