MAJOR SUBJECT GROUP - PLANT SCIENCES
Sub-Subjects:
2.1: Plant Breeding & Genetics,
2.2: Plant Pathology,
2.3: Agricultural
Microbiology/Microbiology,
2.4: Seed Science & Technology,
2.5: Plant Genetic Resources
UNIT-I:
Importance of Agriculture in national
economy; basic principles of crop production; cultivation of rice, wheat, chickpea,
pigeon-pea, sugarcane, groundnut, tomato, potato and mango. Major soils of India,
role of NPK and their deficiency symptoms.
UNIT-II:
Structure and function of cell organelles;
mitosis and meiosis; Mendelian genetics; elementary knowledge of
photosynthesis; respiration, and transpiration; structure and functions of
carbohydrates, proteins, nucleic acids, enzymes and vitamins. Major pests and
diseases of rice, wheat, cotton, chickpea, sugarcane and their management.
UNIT-III:
Characteristics of prokaryotic and eukaryotic
organisms, differences between fungi, bacteria, mycoplasmas and viruses;
physical and chemical basis of heredity; chromosome structure; genes/operon
concept; protein biosynthesis; transformation, recombination, Heterosis;
Elements of economic botany; integrated diseases management; sterilisation, disinfection
and pasteurization; Koch’s postulates; etiological agents of rusts,smuts,
powdery/downy mildews, wilts, yellows, mosaic, necrosis, enations, blights and
witches- broom; pH, buffer, vitamins, role of plant hormones in seed
germination and dormancy; pollination/ fertilization in flowering plants;
methods of seed testing; breeders, foundation and certified seeds; seed
production in self and cross pollinated crops, nitrate assimilation; biological
nitrogen fixation and other uses of microorganisms in agriculture.
UNIT-IV:
Food and industry; composting and biogas
production. Important rural development programmes in India; organizational set
up of agricultural research, education and extension in India.
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