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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 9 | 1 |
GROWTH AND DEVELOPMENT
|
Introduction and Definitions
Measurement of Growth Patterns and Rate of Growth Factors Controlling Plant Growth |
By the end of the
lesson, the learner
should be able to:
To distinguish between growth and development. To define growth as permanent increase in size and weight. To explain development as structural changes and differentiation. To relate growth to cell division and tissue formation. |
Q/A: Review reproduction concepts. Discussion: Definition of growth vs development. Teacher exposition: Cell division, differentiation and tissue formation. Q/A: Examples of growth and development in organisms. Discussion: Growth as characteristic of living organisms.
|
Charts showing growth and development, Textbook, Wall charts
Measuring instruments, Scales, Rulers, Calculators, Sample plants Growth curve charts, Graph paper, Calculators, Sample data sets Environmental factor charts, Temperature scales, Light meters if available, Textbook |
Certificate Biology Form 3, Pages 178-179
|
|
| 9 | 2-3 |
GROWTH AND DEVELOPMENT
|
Stages of Growth and Life Cycle
Seed Structure - Monocots and Dicots Conditions for Germination Types of Germination Germination Practical Investigation Primary Growth and Meristems Secondary Growth and Cambium Activity Annual Rings and Plant Dormancy Seed Dormancy and Breaking Mechanisms Plant Growth Substances - Auxins |
By the end of the
lesson, the learner
should be able to:
To describe stages from seed to maturity. To distinguish between annuals and perennials. To identify vegetative and reproductive phases. To explain germination, primary and secondary growth. To describe secondary growth in dicots. To explain vascular cambium and cork cambium functions. To identify secondary xylem and phloem formation. To relate secondary growth to plant strength and support. |
Discussion: Plant life cycle from seed to maturity. Teacher exposition: Vegetative vs reproductive growth phases. Q/A: Differences between annuals and perennials with examples. Overview of germination, primary and secondary growth stages.
Detailed discussion: Secondary thickening in woody plants. Teacher exposition: Vascular cambium tangential divisions. Q/A: Secondary xylem and phloem development. Discussion: Cork cambium, lenticels and bark formation. Drawing cross-sections showing secondary tissues. |
Plant life cycle charts, Examples of annual and perennial plants, Textbook
Soaked bean and maize seeds, Hand lens, Scalpels, Drawing materials, Iodine solution Germination apparatus, Seeds at different stages, Temperature monitoring equipment, Textbook Germinating seeds at various stages, Drawing materials, Observation trays, Hand lens Seeds, Petri dishes, Cotton wool, Measuring rulers, Data recording sheets, Clay pots Meristem distribution charts, Drawing materials, Microscope slides of meristems, Textbook Secondary growth diagrams, Tree trunk sections, Drawing materials, Hand lens Tree trunk cross-sections, Dormant plant organs, Charts, Textbook Dormant seeds, Germination comparison setups, Chemical solutions, Textbook Auxin experiment diagrams, Plant cuttings, Rooting powder demonstration, Textbook |
Certificate Biology Form 3, Pages 181-182
Certificate Biology Form 3, Pages 186-188 |
|
| 9 | 4 |
GROWTH AND DEVELOPMENT
|
Gibberellins, Cytokinins and Other Hormones
Practical Applications of Plant Hormones Animal Growth Patterns and Life Cycles Complete Metamorphosis Incomplete Metamorphosis Hormonal Control of Growth in Animals Growth Measurement Practical |
By the end of the
lesson, the learner
should be able to:
To describe gibberellin functions and effects. To explain cytokinin roles in cell division and growth. To identify abscissic acid as growth inhibitor. To describe ethene and florigen effects. |
Discussion: Gibberellin effects on stem elongation and seed germination. Teacher exposition: Cytokinin functions in meristematic tissues. Q/A: Abscissic acid antagonistic effects. Discussion: Ethene in fruit ripening and florigen in flowering.
|
Plant hormone effect charts, Ripening fruits, Textbook
Hormone application examples, Agricultural product samples, Case study materials Growth curve charts, Animal development examples, Graph paper, Textbook Insect life cycle charts, Preserved specimens if available, Drawings, Textbook Incomplete metamorphosis charts, Grasshopper specimens, Comparison tables, Textbook Hormone control charts, Animal development diagrams, Textbook Growing plants, Measuring rulers, Data recording sheets, Graph paper, Calculators |
Certificate Biology Form 3, Pages 192-194
|
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