Here is the general outline of the Botany optional syllabus as per the UPSC exam:
Paper-I:
- Microbiology and Plant Pathology:
- Historical developments in Plant Pathology.
- Important plant diseases caused by fungi, bacteria, viruses, and nematodes.
- The role of fungi in causing diseases.
- Cryptogams:
- Algae, fungi, lichens, bryophytes, and pteridophytes.
- Structure, reproduction, classification, and economic importance of the above groups.
- Phanerogams:
- Gymnosperms: Structure and reproduction.
- Angiosperms:
- Principles of taxonomy, systematics, and contemporary systems of classification.
- Comparative study of the families of angiosperms.
Paper-II:
- Plant Anatomy:
- Meristems, growth, and development.
- Internal and external structure of stem, root, and leaf.
- Secondary growth.
- Embryology of Angiosperms:
- Microsporangium and microsporogenesis.
- Megasporangium and megasporogenesis.
- Pollination and fertilization.
- Plant Physiology:
- Transport of water, gases, and nutrients.
- Photosynthesis, respiration, and nitrogen metabolism.
- Growth and development.
- Ecology:
- Environmental factors.
- Population ecology.
- Ecosystems.
- Economic Botany:
- Origin, distribution, and economic importance of the following:
- Fiber plants.
- Oil plants.
- Sugar plants.
- Medicinal plants.
- Timber-yielding plants.
- Rubber, latex, and beverages.
- Origin, distribution, and economic importance of the following:
Remember that this is a broad overview, and you should refer to the latest UPSC notification for the most accurate and updated information on the syllabus. Additionally, it’s crucial to study each topic in detail and practice answer writing to perform well in the examination.