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UPSC IFOS Agriculture Paper II Syllabus

Indian Forest Service Examination

7
Topics
50
Sub-topics
8
Questions

Agriculture Paper II is one of 32 sections in the UPSC IFOS syllabus. It has 7 topics and 50 sub-topics, tested in Main Examination, with about 8 questions (200 marks). Optional subject, Paper II (200 marks, 3 hours, conventional essay type, answered in English). The paper has 8 questions in Parts A and B; candidates attempt 5, including one compulsory question from each part. Candidates choose any two of the 14 optional subjects..

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UPSC IFOS Agriculture Paper II: topic-wise syllabus

  1. 1

    Cell Biology and Genetics

    • Cell theory, cell structure, organelles and cell division
    • Nucleic acids and gene structure and function
    • Laws of heredity and plant breeding
    • Chromosome structure, aberrations, linkage and crossing-over
    • Polyploidy, euploids and aneuploids
    • Micro and macro mutations in crop improvement
    • Variation, heritability, sterility and incompatibility
    • Cytoplasmic inheritance; sex-linked, sex-influenced and sex-limited characters
  2. 2

    Plant Breeding

    • History of plant breeding and modes of reproduction
    • Selfing and crossing techniques
    • Origin and evolution of crop plants, centres of origin and law of homologous series
    • Crop genetic resources: conservation and utilization
    • Pure-line, pedigree, mass and recurrent selection
    • Combining ability, hybrid vigour and backcross breeding
    • Breeding for disease and pest resistance
    • Inter-specific and inter-generic hybridization
    • Biotechnology in plant breeding
    • Improved varieties, hybrids and composites
  3. 3

    Seed Technology

    • Importance of seed technology
    • Kinds of seed, seed production and processing
    • Public and private sectors in seed production, processing and marketing
  4. 4

    Crop Physiology

    • Imbibition, surface tension, diffusion and osmosis
    • Absorption and translocation of water, transpiration and water economy
    • Enzymes and plant pigments
    • Photosynthesis: modern concepts and factors
    • Aerobic and anaerobic respiration
    • C3, C4 and CAM mechanisms
    • Carbohydrate, protein and fat metabolism
    • Growth, photoperiodism and vernalization
    • Auxins, hormones and plant growth regulators
    • Seed development, germination and dormancy
  5. 5

    Horticulture

    • Cultivation of major fruits, vegetables and flowers
    • Package of practices and their scientific basis
    • Handling and marketing of fruits and vegetables
    • Preservation and processing of fruit and vegetable products
    • Fruits and vegetables in human nutrition
    • Ornamental plants and layout of lawns and gardens
  6. 6

    Plant Protection

    • Diseases and pests of field, vegetable, orchard and plantation crops
    • Causes and classification of plant pests and diseases
    • Principles of pest and disease control
    • Biological control and integrated pest and disease management
    • Epidemiology and forecasting
    • Pesticides: formulations and modes of action
    • Compatibility with rhizobial inoculants and microbial toxins
    • Storage pests and diseases of cereals and pulses
  7. 7

    Food Production and Food Policy

    • Food production and consumption trends in India
    • National and international food policies
    • Production, procurement, distribution and processing constraints
    • Food production and the national dietary pattern
    • Calorie and protein deficiencies

Frequently asked questions

What topics are in the UPSC IFOS Agriculture Paper II syllabus?

Agriculture Paper II for UPSC IFOS has 7 topics: Cell Biology and Genetics, Plant Breeding, Seed Technology, Crop Physiology, Horticulture, Plant Protection and Food Production and Food Policy, with 50 sub-topics in all.

How many questions come from Agriculture Paper II in UPSC IFOS?

About 8 questions (200 marks) in Main Examination. Always check the latest notification, as numbers can change.

How do I practise UPSC IFOS Agriculture Paper II on Topicly?

Pick a topic above and study it your way — step-by-step chat, a quiz, a formula sheet or a voice call with Sia. Topicly tracks each sub-topic so you know what's left. It's free to start.

A study guide, not an official notice. Always confirm with the conducting body's latest notification. See the full exam page for any recorded source, check date and coverage limits.