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SCHEME OF WORK
Biology
Form 2 2024
TERM III
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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
1

KUPPET TEACHERS' STRIKE

2

SCHOOL OPENING AND REVISION OF CAT 1 TERM 3 EXAMS

3 1
GASEOUS EXCHANGE
Gaseous exchange in an alveolus.
By the end of the lesson, the learner should be able to:
To describe gaseous exchange in an alveolus.
To explain regulation of breathing in man.
Discussion and explanations.
text book
K.L.B. BOOK 2
P. 64
3 2-3
GASEOUS EXCHANGE
Gaseous exchange in an alveolus.
Rate of breathing in man.
By the end of the lesson, the learner should be able to:
To describe gaseous exchange in an alveolus.
To explain regulation of breathing in man.


To state and explain briefly factors affecting the rate of inhalation / exhalation processes.
Discussion and explanations.
text book
K.L.B. BOOK 2
P. 64
K.L.B. BOOK 2
P. 63
3 4
GASEOUS EXCHANGE
Rate of breathing in man.
By the end of the lesson, the learner should be able to:
To state and explain briefly factors affecting the rate of inhalation / exhalation processes.
Discussion and explanations.
text book
K.L.B. BOOK 2
P. 63
3 5
GASEOUS EXCHANGE
Intercostal muscles.
By the end of the lesson, the learner should be able to:
To explain the function of intercostal muscles during the breathing system.
Detailed discussion.
Counting number of inhalations before and after an exercise blow.

Lime water, rib cage model.
K.L.B. BOOK 2
P. 66
4 1
GASEOUS EXCHANGE
Inhaled and exhaled air.
By the end of the lesson, the learner should be able to:
To test for CO2 in the air we inhale/ exhale.
Observe colour changes of lime water, and make deductions.
Brief discussion.
Lime water.
K.L.B. BOOK 2
P. 67
4 2-3
GASEOUS EXCHANGE
Inhaled and exhaled air.
By the end of the lesson, the learner should be able to:
To test for CO2 in the air we inhale/ exhale.
Observe colour changes of lime water, and make deductions.
Brief discussion.
Lime water.
K.L.B. BOOK 2
P. 67
4 4
GASEOUS EXCHANGE
Inhaled and exhaled air.
By the end of the lesson, the learner should be able to:
To test for CO2 in the air we inhale/ exhale.
Observe colour changes of lime water, and make deductions.
Brief discussion.
Lime water.
K.L.B. BOOK 2
P. 67
4 5
GASEOUS EXCHANGE
Inhaled and exhaled air.
By the end of the lesson, the learner should be able to:
To test for CO2 in the air we inhale/ exhale.
Observe colour changes of lime water, and make deductions.
Brief discussion.
Lime water.
K.L.B. BOOK 2
P. 67
5 1
GASEOUS EXCHANGE
Diseases of the respiratory system.
By the end of the lesson, the learner should be able to:
To state the causes, symptoms and prevention of respiratory diseases.
Discuss cause, symptoms and prevention of whooping cough TB, bronchitis, etc.
Resource person.
K.L.B. BOOK 2
PP. 67-70
5 1-2
GASEOUS EXCHANGE
Diseases of the respiratory system.
By the end of the lesson, the learner should be able to:
To state the causes, symptoms and prevention of respiratory diseases.
Discuss cause, symptoms and prevention of whooping cough TB, bronchitis, etc.
Resource person.
K.L.B. BOOK 2
PP. 67-70
5

CAT 2 TERM 3 EXAMS

6 1
RESPIRATION
Introduction ? Definition and importance of respiration.
By the end of the lesson, the learner should be able to:
By the end of the lesson, the learner should be able:
To define respiration.
To explain significance of respiration.
Q/A: Definition

Brief discussion of significance of respiration.
text book
K.L.B. BK 2
PP. 73-74
6 2-3
RESPIRATION
Introduction ? Definition and importance of respiration.
Burning food.
By the end of the lesson, the learner should be able to:
By the end of the lesson, the learner should be able:
To define respiration.
To explain significance of respiration.
To describe an experiment investigating the gas given off when food is burnt.
Q/A: Definition

Brief discussion of significance of respiration.
Teacher demonstration: Burning a food sample.
Testing for the gas evolved during combustion.
text book
K.L.B. BK 2
PP. 73-74
6 4
RESPIRATION
The mitochondrion.
By the end of the lesson, the learner should be able to:
To state functions of mitochondrion in respiration.
Drawing structure of the mitochondrion.
Explain function of the mitochondrion.
Wall charts- The mitochond-rion
K.L.B. BK 2
P. 74
6 5
RESPIRATION
Aerobic respiration.
By the end of the lesson, the learner should be able to:
To explain phases of aerobic respiration.
To state difference between aerobic and anaerobic respiration.
Detailed discussion.
Writing down equations of food breakdown.
text book
K.L.B. BK 2
PP.74-76
7 1
RESPIRATION
Anaerobic respiration.
By the end of the lesson, the learner should be able to:
To describe anaerobic respiration.
Observe set up experiments.
Detailed discussion punctuated with probing questions:
Glucose
Yeast
Thermometer
K.L.B. BK 2
P.77
7 2-3
RESPIRATION
Anaerobic respiration.
Oxygen ?debt?.
By the end of the lesson, the learner should be able to:
To describe anaerobic respiration.
To explain the term ?oxygen debt?.
To explain the effect of ?oxygen debt? on the amount of energy released during respiration.
Observe set up experiments.
Detailed discussion punctuated with probing questions:

Probing questions.

Detailed discussion.
Glucose
Yeast
Thermometer

text book
K.L.B. BK 2
P.77
K.L.B. BK 2
P.78
7 4
RESPIRATION
Applications of anaerobic respiration.
By the end of the lesson, the learner should be able to:
To explain applications of anaerobic respiration.
Q/A: Products of fermentation process.
Listing down various applications of anaerobic respiration.
text book
K.L.B. BK 2
P. 79
7 5
RESPIRATION
Applications of anaerobic respiration.
By the end of the lesson, the learner should be able to:
To explain applications of anaerobic respiration.
Q/A: Products of fermentation process.
Listing down various applications of anaerobic respiration.
text book
K.L.B. BK 2
P. 79
8 1
RESPIRATION
Respiratory substrates & respiratory quotient.
By the end of the lesson, the learner should be able to:
To identify respiratory substrates in the body.
To define respiratory quotient.
To calculate R.Q.
Brief discussion/ explanations.

Exposition of definition and its significance.
Problem solving.
text book
K.L.B. BK 2
P. 79
8 2-3
RESPIRATION
Respiratory substrates & respiratory quotient.
By the end of the lesson, the learner should be able to:
To identify respiratory substrates in the body.
To define respiratory quotient.
To calculate R.Q.
Brief discussion/ explanations.

Exposition of definition and its significance.
Problem solving.
text book
K.L.B. BK 2
P. 79
8 4
RESPIRATION
Respiratory substrates & respiratory quotient.
By the end of the lesson, the learner should be able to:
To identify respiratory substrates in the body.
To define respiratory quotient.
To calculate R.Q.
Brief discussion/ explanations.

Exposition of definition and its significance.
Problem solving.
text book
K.L.B. BK 2
P. 79
8 5
RESPIRATION
Rate of respiration.
By the end of the lesson, the learner should be able to:
To state and explain factors affecting rate of respiration.
Detailed discussion and explanations.
text book
K.L.B. BK 2
PP. 80-81
9

CAT 1 TERM I EXAMS 2025 AND SCHOOL CLOSURE

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