Reproduction in Plants Basic Science Primary 5 Second Term Lesson Notes Week 2
Detailed Lesson Plan: Reproduction in Plants
Subject: Basic Science and Technology
Class: Basic 5 / Primary 5
Term: Second Term
Week: Week 2
Age: 9–11 years
Topic: Reproduction in Plants
Sub-topics:
- Sexual reproduction in plants
- Parts of a flower
- Pollination of flowers
Duration: 40 minutes
Behavioral Objectives:
By the end of the lesson, pupils should be able to:
- Define reproduction in plants.
- Explain sexual reproduction in plants.
- Identify and describe the parts of a flower.
- Explain pollination and its types.
Keywords: Reproduction, Sexual reproduction, Pollination, Stamen, Pistil
Lesson Plan Structure
Set Induction
The teacher shows pictures of flowers, a real flower plant, and pollination-related videos to capture pupils’ interest and curiosity.
Entry Behavior
Pupils have prior knowledge of muscles from the previous lesson and are familiar with some plant parts like leaves and stems.
Learning Resources and Materials
- Real flower plant
- Flashcards of flower parts
- Videos on pollination
- Wall charts illustrating reproduction in plants
- Textbooks and workbooks
Building Background/Connection to Prior Knowledge
The teacher begins by asking pupils questions about plant parts (e.g., “What is the function of leaves and stems?”) to link prior knowledge to the new topic.
Embedded Core Skills
- Observation skills
- Critical thinking
- Communication skills
- Collaboration
Reference Materials
- Lagos State Scheme of Work
- 9-Year Basic Education Curriculum
- Approved Basic Science textbooks
- Relevant online resources
Instructional Materials
- Pictures of flowers and pollination processes
- Real flower samples
- Videos of insects pollinating flowers
- Flashcards illustrating parts of a flower
Content Outline
Definition of Reproduction in Plants
Reproduction in plants is the process by which plants produce offspring (young plants) that resemble their parent. It ensures the continuation of plant species and occurs through sexual and asexual means.
Types of Plant Reproduction
- Sexual Reproduction:
- Involves the union of male (pollen) and female (ovules) gametes.
- Leads to the formation of seeds that grow into new plants.
- Occurs in flowering plants.
Example: Maize, hibiscus, and sunflower.
- Asexual Reproduction:
- Does not involve gametes.
- New plants grow from parts of the parent plant (e.g., stem, roots, or leaves).
Examples:
- Vegetative propagation: Cassava (stem cutting)
- Budding: Yeast
- Fragmentation: Algae
Parts of a Flower
- Stamen (Male Part):
- Anther: Produces pollen grains.
- Filament: Holds the anther.
- Pistil (Female Part):
- Ovary: Houses ovules (eggs).
- Stigma: Receives pollen grains.
- Style: Connects stigma to the ovary.
- Petals: Brightly colored parts that attract pollinators.
- Sepals: Protect the flower bud.
Pollination in Plants
Pollination is the process of transferring pollen grains from the anther to the stigma of flowers.
Types of Pollination:
- Self-pollination: Transfer within the same flower.
- Cross-pollination: Transfer between different flowers.
Agents of Pollination:
- Wind (Anemophily): Transfers pollen grains over long distances.
- Water (Hydrophily): Pollen moves through water.
- Insects and Animals (Entomophily/Zoophily): Bees, butterflies, and birds help in pollination.
Lesson Presentation
Step 1:
The teacher revises the previous topic on muscles by asking questions.
Step 2:
The teacher introduces the topic by showing a real flower and asking, “How do plants produce seeds and new plants?”
Step 3:
The teacher explains reproduction, the parts of a flower, and pollination using wall charts and real flowers. Pupils are encouraged to ask questions and provide examples.
Step 4:
The teacher groups pupils to label parts of a flower using flashcards.
Teacher’s and Learners’ Activities
| Teacher’s Activities | Learners’ Activities |
|---|---|
| Displays pictures and videos of flowers. | Observe and ask questions. |
| Explains reproduction, pollination, and flower parts. | Listen, take notes, and participate in discussions. |
| Guides pupils in group activities. | Label parts of a flower and discuss findings in groups. |
| Asks questions to assess understanding. | Respond to questions and ask clarifying questions. |
Evaluation Questions
Part A: Fill-in-the-Blank Questions
- The process by which plants produce young ones is called ______.
a) Pollination b) Reproduction c) Fertilization d) Germination - ______ reproduction involves male and female gametes.
a) Asexual b) Binary c) Sexual d) Budding - The male reproductive part of a flower is called ______.
a) Pistil b) Stamen c) Ovary d) Style - The ______ receives pollen grains during pollination.
a) Anther b) Stigma c) Filament d) Ovary - The transfer of pollen grains from anther to stigma is ______.
a) Fertilization b) Pollination c) Germination d) Reproduction
Part B: Short Answer Questions
- Define reproduction in plants.
- Explain the difference between sexual and asexual reproduction.
- Name three parts of a flower.
- What is pollination?
- Mention two types of pollination.
Conclusion
The teacher summarizes the lesson, highlighting the importance of reproduction in plants. Pupils’ notes are reviewed for accuracy, and corrections are made where necessary.
Assignment
Prepare for the next lesson by reading about “Reproduction in Humans.”
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