SUPPORT AND MOVEMENT

Pectoral Girdle and Forelimb Bones

By the end of the lesson, the learner should be able to:
Describe structure of pectoral girdle components: scapula and clavicle. Identify forelimb bones: humerus, radius, ulna, carpals, metacarpals, phalanges. Explain joint formations and articulations.

Examination of pectoral girdle and forelimb bones. Drawing and labeling complete forelimb structure. Discussion on shoulder and elbow joint formation. Analysis of bone features and muscle attachment points. Study of pentadactyl limb pattern.

Textbook, chalkboard, chalk, pectoral girdle and forelimb bone specimens, exercise books

KLB Secondary Biology Form 4, Pages 136-138

SUPPORT AND MOVEMENT

Pelvic Girdle and Hindlimb Bones

By the end of the lesson, the learner should be able to:
Describe structure of pelvic girdle: ilium, ischium, pubis. Identify hindlimb bones: femur, tibia, fibula, tarsals, metatarsals, phalanges. Explain weight-bearing adaptations and joint formations.

Examination of pelvic girdle and hindlimb bones. Drawing hip bone structure and acetabulum. Study of hindlimb bone features and knee joint. Discussion on weight transmission and locomotion adaptations. Comparison of forelimb and hindlimb structures.

Textbook, chalkboard, chalk, pelvic girdle and hindlimb bone specimens, exercise books

KLB Secondary Biology Form 4, Pages 138-140

SUPPORT AND MOVEMENT

Types of Joints and Their Structure

By the end of the lesson, the learner should be able to:
Identify types of joints: immovable, gliding, and movable (synovial). Describe structure of synovial joints including cartilage, synovial fluid, and ligaments. Explain joint components and their functions.

Examination of different joint types and synovial joint structure. Drawing synovial joint components. Discussion on cartilage function and synovial fluid properties. Analysis of joint mobility and stability. Practical observation of joint movements.

Textbook, chalkboard, chalk, joint specimens or models, exercise books

KLB Secondary Biology Form 4, Pages 140-141

SUPPORT AND MOVEMENT

Ball and Socket vs Hinge Joints; Movement Mechanisms

By the end of the lesson, the learner should be able to:
Compare ball and socket joints with hinge joints. Describe movement capabilities and examples of each joint type. Explain how muscles work in antagonistic pairs at joints. Understand lever systems in movement.

Examination of hip/shoulder and elbow/knee joints. Demonstration of movement ranges and planes. Drawing joint structures and movement mechanisms. Practical demonstration of biceps and triceps action. Analysis of flexor and extensor muscle function.

Textbook, chalkboard, chalk, joint specimens, practical movement demonstrations, exercise books

KLB Secondary Biology Form 4, Pages 141-143

SUPPORT AND MOVEMENT

Ball and Socket vs Hinge Joints; Movement Mechanisms

By the end of the lesson, the learner should be able to:
Compare ball and socket joints with hinge joints. Describe movement capabilities and examples of each joint type. Explain how muscles work in antagonistic pairs at joints. Understand lever systems in movement.

Examination of hip/shoulder and elbow/knee joints. Demonstration of movement ranges and planes. Drawing joint structures and movement mechanisms. Practical demonstration of biceps and triceps action. Analysis of flexor and extensor muscle function.

Textbook, chalkboard, chalk, joint specimens, practical movement demonstrations, exercise books

KLB Secondary Biology Form 4, Pages 141-143

SUPPORT AND MOVEMENT

Types of Muscle Tissue and Their Functions
Skeletal Muscle Structure and Contraction Mechanism

By the end of the lesson, the learner should be able to:
Identify three types of muscle tissue: skeletal (striated), smooth (visceral), and cardiac. Compare structure and functions of each muscle type. Explain voluntary vs involuntary muscle control. Describe muscle fiber characteristics.
Describe detailed structure of skeletal muscle fibers including myofibrils, actin, and myosin. Explain muscle contraction mechanism and sliding filament theory. Understand energy requirements and muscle fatigue.

Drawing structures of different muscle types on chalkboard. Detailed comparison of muscle fiber characteristics. Discussion on muscle control mechanisms and locations. Analysis of muscle contraction properties and endurance. Examples of each muscle type in body systems.
Detailed exposition on muscle fiber structure using diagrams. Discussion on sliding filament theory and molecular basis of contraction. Explanation of ATP requirements and calcium ion role. Analysis of muscle fatigue and recovery. Practical muscle function demonstrations.

Textbook, chalkboard, chalk, exercise books, muscle tissue comparison charts
Textbook, chalkboard, chalk, exercise books, detailed muscle structure diagrams

KLB Secondary Biology Form 4, Pages 142-144
KLB Secondary Biology Form 4, Pages 142-143

SUPPORT AND MOVEMENT

Smooth and Cardiac Muscle Specializations

By the end of the lesson, the learner should be able to:
Describe structure and functions of smooth muscle in various organs. Explain cardiac muscle specializations and continuous rhythmic contractions. Compare muscle types in terms of structure, control, and endurance.

Drawing smooth and cardiac muscle structures and locations. Discussion on involuntary muscle control mechanisms. Explanation of cardiac muscle intercalated discs and myogenic nature. Comprehensive comparison of all muscle types. Analysis of muscle adaptations to function.

Textbook, chalkboard, chalk, exercise books, comprehensive muscle comparison tables

KLB Secondary Biology Form 4, Pages 143-144

REVISION

Paper 2

Section A-Short Structured Questions

By the end of the lesson, the learner should be able to:
- Revise answering techniques for structured questions- Develop speed and accuracy in short-answer questions- Identify common question trends and traps- Build confidence in handling variety of topics

-Class discussion on Section A structure
-Peer marking of answers using marking scheme -Teacher feedback and corrections

Past Biology Paper 2 exams, KLB textbooks, marking schemes

Bio Paper 2 , KLB Bks 1,2,3 and 4

Paper 2

Section B – Data Analysis Question

By the end of the lesson, the learner should be able to:
- Interpret and analyze biological data (tables & graphs)
- Develop graph plotting and data interpretation skills- Practice drawing accurate biological graphs
- Strengthen ability to link data to biological concepts

-Teacher-led practice on plotting graphs
-Students interpret and answer data-based questions
-Group analysis and correction using marking guide

Graph papers, rulers, past papers, textbooks

Bio Paper 2 Q6, KLB BK 1,2,3 and 4

Paper 2
Paper 3 Revision

Section B-Essay Questions
Observation, Identification, and Drawing questions.
Experiments and Tests questions

By the end of the lesson, the learner should be able to:
- Develop structured essay writing skills
- Learn to plan and organize points logically
- identify and practice essay questions from different Biology topics
- Develop skills in observing, identifying, and comparing specimens - Practice drawing and labeling diagrams accurately

-Brainstorming key essay points
-Group writing of essay outlines
-Teacher shows how to write a good essay
-Peer review and class marking
-Group work: Students examine provided specimens
-Hands-on practice as guided in the question
-Peer marking using marking schemes, followed by teacher corrections on accuracy, labeling, and texture descriptions.

Sample essays, past papers, marking schemes
projector
Paper 3 exams
specimens
drawing paper, pencils, photographs
marking schemes, projectors for displaying diagrams
photographs
specimens
Reagents

Bio Paper 2 Q7 & Q8, KLB BKs 1,2,3 and 4
Biology Paper 3 ,
KLB Books 1,2,3 and 4.

Paper 2

Section B – Data Analysis Question

By the end of the lesson, the learner should be able to:
- Interpret and analyze biological data (tables & graphs)
- Develop graph plotting and data interpretation skills- Practice drawing accurate biological graphs
- Strengthen ability to link data to biological concepts

-Teacher-led practice on plotting graphs
-Students interpret and answer data-based questions
-Group analysis and correction using marking guide

Graph papers, rulers, past papers, textbooks

Bio Paper 2 Q6, KLB BK 1,2,3 and 4

Paper 3 Revision

Observation, Identification, and Drawing questions.

By the end of the lesson, the learner should be able to:
- Develop skills in observing, identifying, and comparing specimens - Practice drawing and labeling diagrams accurately

-Group work: Students examine provided specimens
-Hands-on practice as guided in the question
-Peer marking using marking schemes, followed by teacher corrections on accuracy, labeling, and texture descriptions.

Paper 3 exams
specimens
drawing paper, pencils, photographs
marking schemes, projectors for displaying diagrams

Biology Paper 3 ,
KLB Books 1,2,3 and 4.

Paper 3 Revision
Paper 1 Revision

Experiments and Tests questions
Short questions and diagrams questions

By the end of the lesson, the learner should be able to:
- Conduct and record biological tests accurately
- Interpret results and draw conclusions from experiments
- Practice safe lab procedures and time management

-Teacher demonstrates the tests.
-Students perform experiments in groups
-Teacher-led feedback on procedures, observations, conclusions, and accounting for results

photographs
specimens
Reagents
Paper 1 exams, diagrams,
marking schemes

Biology Paper 3
KLB Books 1,2,3 and 4

Paper 1 Revision
Paper 2

Application questions
Section A-Short Structured Questions
Section B – Data Analysis Question

By the end of the lesson, the learner should be able to:
- Apply knowledge to real-life
- Learn how to organize answers well- Revise experiments and results- Build confidence in answering under time
- Revise answering techniques for structured questions- Develop speed and accuracy in short-answer questions- Identify common question trends and traps- Build confidence in handling variety of topics

-Teacher demonstrates how to approach application questions
-Students attempt application questions as guided by the teacher.
-Peer and teacher marking with class discussion
-Class discussion on Section A structure
-Peer marking of answers using marking scheme -Teacher feedback and corrections

Past Paper 1 exams, experiment charts, marking schemes
Past Biology Paper 2 exams, KLB textbooks, marking schemes
Graph papers, rulers, past papers, textbooks

Biology Paper 1 KLB Bks 1,2,3 and 4
Bio Paper 2 , KLB Bks 1,2,3 and 4

Paper 2

Section B-Essay Questions

By the end of the lesson, the learner should be able to:
- Develop structured essay writing skills
- Learn to plan and organize points logically
- identify and practice essay questions from different Biology topics

-Brainstorming key essay points
-Group writing of essay outlines
-Teacher shows how to write a good essay
-Peer review and class marking

Sample essays, past papers, marking schemes
projector

Bio Paper 2 Q7 & Q8, KLB BKs 1,2,3 and 4

Paper 3 Revision

Observation, Identification, and Drawing questions.
Experiments and Tests questions

By the end of the lesson, the learner should be able to:
- Develop skills in observing, identifying, and comparing specimens - Practice drawing and labeling diagrams accurately

-Group work: Students examine provided specimens
-Hands-on practice as guided in the question
-Peer marking using marking schemes, followed by teacher corrections on accuracy, labeling, and texture descriptions.

Paper 3 exams
specimens
drawing paper, pencils, photographs
marking schemes, projectors for displaying diagrams
photographs
specimens
Reagents

Biology Paper 3 ,
KLB Books 1,2,3 and 4.

Paper 2

Section B – Data Analysis Question

By the end of the lesson, the learner should be able to:
- Interpret and analyze biological data (tables & graphs)
- Develop graph plotting and data interpretation skills- Practice drawing accurate biological graphs
- Strengthen ability to link data to biological concepts

-Teacher-led practice on plotting graphs
-Students interpret and answer data-based questions
-Group analysis and correction using marking guide

Graph papers, rulers, past papers, textbooks

Bio Paper 2 Q6, KLB BK 1,2,3 and 4

Paper 2
Paper 3 Revision

Section B-Essay Questions
Observation, Identification, and Drawing questions.
Experiments and Tests questions

By the end of the lesson, the learner should be able to:
- Develop structured essay writing skills
- Learn to plan and organize points logically
- identify and practice essay questions from different Biology topics
- Develop skills in observing, identifying, and comparing specimens - Practice drawing and labeling diagrams accurately

-Brainstorming key essay points
-Group writing of essay outlines
-Teacher shows how to write a good essay
-Peer review and class marking
-Group work: Students examine provided specimens
-Hands-on practice as guided in the question
-Peer marking using marking schemes, followed by teacher corrections on accuracy, labeling, and texture descriptions.

Sample essays, past papers, marking schemes
projector
Paper 3 exams
specimens
drawing paper, pencils, photographs
marking schemes, projectors for displaying diagrams
photographs
specimens
Reagents

Bio Paper 2 Q7 & Q8, KLB BKs 1,2,3 and 4
Biology Paper 3 ,
KLB Books 1,2,3 and 4.

Paper 1 Revision

Short questions and diagrams questions

By the end of the lesson, the learner should be able to:
- Learn how to answer short questions correctly
- Practice speed and accuracy
- Revise labeling of diagrams

-Class discussion on common short questions
-Group work guided by the teacher
-Peer marking and corrections with teacher guidance

Paper 1 exams, diagrams,
marking schemes

Biology Paper 1, KLB Bks 1,2,3 and 4