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Syllabus
Reproduction in Lower and Higher Plants — Syllabus
Maharashtra Board · Class 12 · Biology
What Reproduction in Lower and Higher Plants covers in Maharashtra Board Class 12 Biology: 4 topics, for the 2026-27 session.
43 questions20 flashcards5 concepts
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4 Topics · Maharashtra Board Class 12 Biology · 2026-27
Topics in Reproduction in Lower and Higher Plants
1
Asexual Reproduction in Plants
- Asexual reproduction produces genetically identical offspring (clones) from a single parent without gamete fusion
- Major types include fragmentation (Spirogyra breaks into fragments), budding (yeast produces outgrowths), spore formation (Chlamydomonas produces zoospores)
- Other methods: binary fission in Chlorella, conidia formation in Penicillium, gemma formation in Marchantia
2
Vegetative Reproduction
- Plants reproduce through vegetative parts (roots, stems, leaves) producing genetically identical offspring
- Natural methods: runners in strawberry, bulbs in onion, tubers in potato, rhizomes in ginger
- Artificial methods include cutting (rose, bougainvillea), grafting (apple, mango), tissue culture (rapid multiplication)
3
Sexual Reproduction and Flower Structure
- Sexual reproduction involves fusion of male and female gametes, producing genetically diverse offspring
- Flower is the reproductive structure with four whorls: calyx (sepals), corolla (petals), androecium (stamens), gynoecium (carpels)
- Androecium consists of stamens with filament, anther, and connective; produces pollen grains (male gametes)
4
Microsporogenesis and Male Gametophyte Development
- Anther structure: four-layered wall (epidermis, endothecium, middle layers, tapetum) surrounding sporogenous tissue
- Microsporogenesis: microspore mother cells undergo meiosis to form haploid microspore tetrads
- Pollen grain structure: two-layered wall (outer exine with sporopollenin, inner intine with cellulose)
Key Concepts
A reproductive process that doesn't involveAsexual reproduction through vegetative plant partsComplex process involving flower formationProcess where diploid microspore mother cellsProcess where diploid megaspore mother cell
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What are the important topics in Reproduction in Lower and Higher Plants for Maharashtra Board Class 12 Biology?
Key topics in Reproduction in Lower and Higher Plants include Asexual Reproduction in Plants, Vegetative Reproduction, Sexual Reproduction and Flower Structure, Microsporogenesis and Male Gametophyte Development. Study these first, then practise questions on each for the Maharashtra Board Class 12 board exam.
How should I revise Reproduction in Lower and Higher Plants for the Maharashtra Board Class 12 board exam?
Learn the core ideas first, then work through the 43 practice questions on Reproduction in Lower and Higher Plants. Revise definitions regularly and use flashcards for quick recall before the exam.
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