CBSE · Class 11 · Biology · Chapter 5

Morphology of Flowering Plants

External structure and morphology of flowering plants.

11 lessons 125 min
Start chapter

Lessons in this chapter

  1. 1Root Systems and Root Tip RegionsDistinguish root systems, their origins and functions, and explain growth and absorption at a root tip.
  2. 2The Stem and the Structure of a LeafRecognise stems by nodes and buds; connect leaf parts and venation to their functions.
  3. 3Leaf Types and PhyllotaxyDistinguish simple and compound leaves and use phyllotaxy to classify leaf arrangement.
  4. 4Inflorescence and the Flower as a Modified ShootUnderstand how flowers arise from shoots and compare racemose and cymose inflorescences.
  5. 5Floral Symmetry, Sex and Ovary PositionLearn flower symmetry, floral completeness and the relation of floral whorls to the ovary.
  6. 6Calyx, Corolla and AestivationUnderstand sepal and petal forms and compare the four major arrangements of petals in a bud.
  7. 7Stamens, Carpels and PlacentationExplain the reproductive whorls and identify five ovule attachment patterns within ovaries.
  8. 8The Fruit and Layers of the PericarpTrace fruit development and understand dry, fleshy and drupe fruit morphology.
  9. 9Dicotyledonous and Monocotyledonous SeedsCompare embryo, storage tissues and protective coverings in dicot and maize seeds.
  10. 10Floral Descriptions and the Solanaceae FamilyConstruct a scientific plant description and connect floral symbols with the diagnostic characters of Solanaceae.
  11. 11Chapter Summary and PracticeIntegrate root, stem, leaf, floral, fruit and seed morphology in a chapter-wide concept and assessment review.