Check out the latest UPSC Mains Botany syllabus 2021. Anthropology subject is one of the optional papers in UPSC IAS Mains Exam. Earlier we’ve provided UPSC Mains Syllabus, Now we are providing UPSC Mains Optional Subject Syllabus of Botany Paper. There is only “ONE” optional subject to choose from the list of optional subjects which are given below. It comprises of two papers each of 250 marks. So, the optional paper has a total 500 marks. In UPSC Civil Services Mains Exam, Botany is one of the Optional Subjects and consists of 2 papers. Each paper is of 250 marks with a total of 500 marks. Find below the UPSC Syllabus for Botany Optional Subject.
Also Check: UPSC Mains Optional Subjects List
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UPSC Botany syllabus
UPSC Mains Part B – Optional Subjects
Subject: Botany Main Examination Syllabus
Download UPSC Mains Optional Subject Syllabus in Pdf
UPSC Mains Botany syllabus Paper 1
|UPSC Mains Botany syllabus Paper 2|
UPSC Mains Botany syllabus (PAPER – I)
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.
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Algae, fungi, lichens, bryophytes, pteridophytes – structure and reproduction from the evolutionary viewpoint; Distribution of Cryptogams in India and their ecological and economic importance.
Gymnosperms: Concept of Progymnosperms; Classification and distribution of gymnosperms; Salient features of Cycadales, Ginkgoales, Coniferales and Gnetales, their structure, and reproduction; a 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 – Magnoliaceae, 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; Polyembryony and apomixes; Applications of palynology; Experimental embryology including pollen storage and test-tube fertilization.
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.
Totipotency, polarity, symmetry, and differentiation; Cell, tissue, organ and protoplast culture; Somatic hybrids and Cybrids; Micropropagation; Somaclonal variation and its applications; Pollen haploids, embryo rescue methods and their applications.
UPSC Mains Botany syllabus (PAPER-II)
Techniques of cell biology; Prokaryotic and eukaryotic cells – structural and ultra-structural details; Structure and function of extracellular matrix (cell wall), membranes-cell adhesion, membrane transport and vesicular transport; Structure and function of cell organelles (chloroplasts, mitochondria, ER, dictyosomes ribosomes, endosomes, lysosomes, peroxisomes); Cytoskelaton and microtubules; Nucleus, nucleolus, nuclear pore complex; Chromatin and nucleosome; Cell signalling and cell receptors; Signal transduction; Mitosis and meiosis; Molecular basis of cell cycle; Numerical and structural variations in chromosomes and their significance; Chromatin organization and packaging of genome; Polytene chromosomes; B-chromosomes – structure, behaviour and significance.
Genetics, Molecular Biology, and Evolution:
Development of genetics; Gene versus allele concepts (Pseudoalleles); Quantitative genetics and multiple factors; Incomplete dominance, polygenic inheritance, multiple alleles; Linkage and crossing over; Methods of gene mapping, including molecular maps (idea of mapping function); Sex chromosomes and sex-linked inheritance, sex determination and molecular basis of sex differentiation; Mutations (biochemical and molecular basis); Cytoplasmic inheritance and cytoplasmic genes (including genetics of male sterility).
Structure and synthesis of nucleic acids and proteins; Genetic code and regulation of gene expression; Gene silencing; Multigene families; Organic evolution – evidence mechanism, and theories. Role of RNA in origin and evolution.
Plant Breeding, Biotechnology and Biostatistics:
Methods of plant breeding – introduction, selection and hybridization (pedigree, backcross, mass selection, bulk method); Mutation, polyploidy, male sterility and heterosis breeding; Use of apomixes in plant breeding; DNA sequencing; Genetic engineering – methods of transfer of genes; Transgenic crops and biosafety aspects; Development and use of molecular markers in plant breeding; Tools and techniques – probe, southern blotting, DNA fingerprinting, PCR and FISH.
Standard deviation and coefficient of variation (CV); Tests of significance (Z-test, t-test and chi-square test); Probability and distributions (normal, binomial and Poisson); Correlation and regression.
Physiology and Biochemistry:
Water relations, mineral nutrition and ion transport, mineral deficiencies; Photosynthesis – photochemical reactions; photo-phosphorylation and carbon fixation pathways; C3, C4 and CAM pathways; Mechanism of phloem transport; Respiration (anerobic and aerobic, including fermentation) – electron transport chain and oxidative phosphorylation; Photorespiration; Chemiosmotic theory and ATP synthesis; Lipid metabolism; Nitrogen fixation and nitrogen metabolism; Enzymes, coenzymes; Energy transfer and energy conservation; Importance of secondary metabolites; Pigments as photoreceptors (plastidial pigments and phytochrome); Plant movements; 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.
Ecology and Plant Geography:
Concept of ecosystem; Ecological factors; Concepts and dynamics of community; Plant succession; Concept of biosphere; Ecosystems; Conservation; Pollution and its control (including phytoremediation); Plant indicators; Environment (Protection) Act.
Forest types of India – Ecological and economic importance of forests, afforestation, deforestation and social forestry; Endangered plants, endemism, IUCN categories, Red Data Books; Biodiversity and its conservation; Protected Area Network; Convention on Biological Diversity; Farmers’ Rights and Intellectual Property Rights; Concept of Sustainable Development; Biogeochemical cycles; Global warming and climatic change; Invasive species; Environmental Impact Assessment; Phytogeo-graphical regions of India.
Also, Check Other Optional Subject’s Syllabus
UPSC Main Examination Part B – Optional Subjects
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