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Biology
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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
2 1
TRANSPORT IN PLANTS AND ANIMALS
Transport in Animals. Open and closed circulatory systems. Open circulatory system in insects.
By the end of the lesson, the learner should be able to:



To differentiate between open and closed circulatory systems.

To discuss open circulatory system in insects.



Exposition and discussion.

Drawing and labeling diagrams.



Charts- Circulatory systems.
K.L.B. BOOK 2
Pages 18 - 19
2 2
TRANSPORT IN PLANTS AND ANIMALS
Single and double circulatory systems.
By the end of the lesson, the learner should be able to:
To differentiate between single and double circulatory systems.
Exposition and discussion.
Tracing the path followed by blood from a point and back to the same point.
Chart- Mammalian double circulation system.
K.L.B. BOOK 2
Pages 18-20
2 3
TRANSPORT IN PLANTS AND ANIMALS
The mammalian heart ? external structure.
By the end of the lesson, the learner should be able to:
To describe the external structure of the heart.
Exposition; Identifying compartments of the heart.
Model of a heart.
K.L.B. BOOK 2
Pages 21 - 22
2 4
TRANSPORT IN PLANTS AND ANIMALS
Internal structure of mammalian heart.
By the end of the lesson, the learner should be able to:
Draw compartments of the heart and label major parts.
Drawing and labeling a diagram of a mammalian heart.
Model of a heart, wallcharts.
K.L.B. BOOK 2
Pages 22 -23
3 1
TRANSPORT IN PLANTS AND ANIMALS
Pumping mechanism of the heart.
By the end of the lesson, the learner should be able to:
To differentiate between systolic and diastolic heart movements.
Discussion and Explanations.
Experiment- To investigate pulse rate at the wrist.
Stopwatches.
K.L.B. BOOK 2
Pages 23 - 24
3 2
TRANSPORT IN PLANTS AND ANIMALS
Pulse rate.
By the end of the lesson, the learner should be able to:
Explain the origin of pulse.
Explain effect of exercise on pulse rate.
Record number of pulses before and after an exercise.
Brief discussion.
Stopwatches.
K.L.B. BOOK 2
Pages 30 - 31
3 3
TRANSPORT IN PLANTS AND ANIMALS
Structure of arteries. Major arteries.
By the end of the lesson, the learner should be able to:
To describe the structure of arteries.

To identify major arteries in the circulatory system.
Discussion
Drawing and labeling internal structure of an artery.
Chart- cross-section of an artery.
Chart-circulatory system.
K.L.B. BOOK 2
Page 25
3 4
TRANSPORT IN PLANTS AND ANIMALS
Veins.
By the end of the lesson, the learner should be able to:
To describe the structure of veins.
To explain the need for valves in veins.
To state differences between veins and arteries.
Drawing and labeling diagram of an artery.
Discussion and explanations.

Chart-
cross-sections of major blood vessels in the body.
K.L.B. BOOK 2
Pages 27-29
4 1
TRANSPORT IN PLANTS AND ANIMALS
Capillaries.
By the end of the lesson, the learner should be able to:
To describe the structure of capillaries.
To explain the role of capillaries in transport
Discussion and explanations.
text book
K.L.B. BOOK 2
Pages 25-26
4 2
TRANSPORT IN PLANTS AND ANIMALS
Diseases and defects of the circulatory system.
By the end of the lesson, the learner should be able to:
To discuss various diseases and defects of the circulatory system.
Discussion of various diseases and defects of the circulatory system.
Suggest methods of prevention and control.
text book
K.L.B. BOOK 2
Pages 31 - 32
4 3
TRANSPORT IN PLANTS AND ANIMALS
Composition of blood. The plasma.
By the end of the lesson, the learner should be able to:
To state the constituents of blood plasma.
To identify functions of plasma.
Detailed discussion and explanations.
text book
K.L.B. BOOK 2
Pages 32 - 33
4 4
TRANSPORT IN PLANTS AND ANIMALS
Red blood cells.
By the end of the lesson, the learner should be able to:
To state the functions of red blood cells.
To explain the functions of haemoglobin in r.b.c.
Detailed discussion and explanations.
Wall charts.
K.L.B. BOOK 2
Pages 33 - 34
5 1
TRANSPORT IN PLANTS AND ANIMALS
White blood cells.
By the end of the lesson, the learner should be able to:
To describe the structure of white blood cells.
To state functions of white blood cells.
Detailed discussion and explanations.
text book
K.L.B. BOOK 2
Pages 34 - 35
5 2
TRANSPORT IN PLANTS AND ANIMALS
Platelets.
By the end of the lesson, the learner should be able to:
To describe the structure of platelets.
To state functions of platelets.
Detailed discussion and explanations.
text book
K.L.B. BOOK 2
Page 35
5 3
TRANSPORT IN PLANTS AND ANIMALS
Blood clotting.
By the end of the lesson, the learner should be able to:
To describe the blood clotting process.

To explain importance of blood clotting.
Exposition of new concepts.
Detailed discussion.
Blood smear, microscope.
K.L.B. BOOK 2
Page 36
5 4
TRANSPORT IN PLANTS AND ANIMALS
Blood groups, Antigens and antibodies.
Blood transfusion.
By the end of the lesson, the learner should be able to:
To identify the four blood groups.
To identify compatible blood groups.
Completing a table of blood groups and the corresponding antigens and antibodies present.
Chart-
blood groups, antigens and antibodies.
Blood transfusion resource person.
K.L.B. BOOK 2
Pages
6 1
TRANSPORT IN PLANTS AND ANIMALS
The Rhesus factor.
Lymph.
By the end of the lesson, the learner should be able to:
To describe the Rhesus factor and its significance.
Review blood groups, antigens and antibodies.
Exposition, discussion and explanations.
text book
Chart- the lymphatic system.
K.L.B. BOOK 2
Page 38
6 2
TRANSPORT IN PLANTS AND ANIMALS
Immune responses.
Allergic reactions.
By the end of the lesson, the learner should be able to:
To differentiate between natural and acquired immunity.
To explain the role of vaccines in immune responses.
Detailed explanations and open discussion.
To explain the role of vaccination / immunization.
Open discussion on HIV / AIDS.
Chart- Diseases that children are immunized against;
Resource person.
text book
K.L.B. BOOK 2
Pages 40 - 41
6 3
TRANSPORT IN PLANTS AND ANIMALS
Organ transplant.
By the end of the lesson, the learner should be able to:
To identify organs that are normally transplanted.
Q/A: Organs transplanted.

Superficial discussion.

Topic review.
text book
K.L.B. BOOK 2
Page 43
6 4
GASEOUS EXCHANGE
Introduction. Gaseous exchange in plants.
By the end of the lesson, the learner should be able to:


To explain importance of gaseous exchange.

To describe gaseous exchange in plants.


Discussion
Explanations

Q/A: Products of respiration.
Detailed discussion.
text book
K.L.B. BOOK 2
P. 48
7 1
GASEOUS EXCHANGE
Release of CO2 by plants.
Release of O2 by plants.
By the end of the lesson, the learner should be able to:
To describe an experiment to show release of CO2 by plants.
Class experiments including control experiments.

Explain the observations made.
Bicarbonate indicator, boiling tubes, Aluminum foil.
Gas jar,
Glass funnel,
Water plant,
Beaker.
K.L.B. BOOK 2
P. 49
7 2
GASEOUS EXCHANGE
Stomata.
Opening & closing of stomata.
By the end of the lesson, the learner should be able to:
To describe the structure and explain the functions of stomata.
Detailed discussion.
Drawing diagrams.
text book
K.L.B. BOOK 2
P. 51
7 3
GASEOUS EXCHANGE
Stomata and habitats of plants.
Lenticels.
Respiratory surfaces in animals.
By the end of the lesson, the learner should be able to:
To relate plant habitats and the no. of stomata.
To explain the variation between number of stomata on the upper and lower face.
Observe number of stomata of prepared slides of hydrophytes and xerophytes.

Discuss the observations.
Prepared slides of hydrophytes and xerophytes.
text book
K.L.B. BOOK 2
P. 51
7 4
GASEOUS EXCHANGE
Gaseous exchange in protozoa.
By the end of the lesson, the learner should be able to:
To describe the mechanism of gaseous exchange in an amoeba.
Q/A: Review diffusion, structure of an amoeba.
Discuss briefly gaseous exchange in and out of amoeba.
text book
K.L.B. BOOK 2
P. 53
8 1
GASEOUS EXCHANGE
Gaseous exchange in insects.
By the end of the lesson, the learner should be able to:
To describe the mechanism of gaseous exchange in insects
Drawing tracheal system of a grasshopper.
Discuss at length the structure of the tracheal system.
Detailed discussion.
text book
K.L.B. BOOK 2
PP. 53, 54
8 2
GASEOUS EXCHANGE
Breathing in insects.
Number, position and shape of spiracles of insects.
Gaseous exchange in a bony fish.
By the end of the lesson, the learner should be able to:
To describe the breathing mechanism in an insect.
Observe breathing movements of live specimens of grasshoppers, locusts or cockroaches.
Live specimens of insects,
Hand lenses,
Boiling tubes.
Live specimens of insects.

A gill of a fish.
K.L.B. BOOK 2
P. 56
8 3
GASEOUS EXCHANGE
Gaseous exchange in amphibians.
Gaseous exchange in mammals.
By the end of the lesson, the learner should be able to:
To explain the mechanism of gaseous exchange in a frog.
Q/A: Various methods of gaseous exchange in a frog.
Discuss gaseous exchange through the mouth, lungs and skin of a frog.
text book
Wall chart- Respiratory system in man.
K.L.B. BOOK 2
P. 58
8 4
GASEOUS EXCHANGE
The structure of the lungs.
By the end of the lesson, the learner should be able to:
To explain adaptations of the lungs to their functions.
Drawing labeled diagrams coupled with explanations.
Wall charts- Structure of lungs.
K.L.B. BOOK 2
P. 60-1
9

MID TERM BREAK

10 1
GASEOUS EXCHANGE
Inhalation.
Exhalation.
Thoracic cavity model.
By the end of the lesson, the learner should be able to:
To describe the process of inhalation in man.
Showing movements of ribs during inhalation.
Explain the inhalation mechanism.
Chart / model of a rib cage.
Thoracic cavity model.
K.L.B. BOOK 2
PP. 61-62
10 2
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
10 3
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
10 4
GASEOUS EXCHANGE
Intercostal muscles.
Inhaled and exhaled air.
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.
Lime water.
K.L.B. BOOK 2
P. 66
11 1
GASEOUS EXCHANGE
RESPIRATION
Diseases of the respiratory system.
Introduction ? Definition and importance of respiration.
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.
text book
K.L.B. BOOK 2
PP. 67-70
11 2
RESPIRATION
Burning food.
The mitochondrion.
By the end of the lesson, the learner should be able to:
To describe an experiment investigating the gas given off when food is burnt.
Teacher demonstration: Burning a food sample.
Testing for the gas evolved during combustion.
text book
Wall charts- The mitochond-rion
K.L.B. BK 2
PP. 73-74
11 3
RESPIRATION
Aerobic respiration.
Anaerobic respiration.
Oxygen ?debt?.
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
Glucose
Yeast
Thermometer
K.L.B. BK 2
PP.74-76
11 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
12 1
RESPIRATION
Respiratory substrates & respiratory quotient.
Rate of respiration.
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
12 2
EXCRETION AND HOMEOSTASIS
Introduction- Definition and importance of homeostasis and excretion.
Excretion in plants.
By the end of the lesson, the learner should be able to:


To define homeostasis and excretion.
To explain necessity of excretion in plants and animals.


Q/A: Definitions of digestion, ingestion and egestion, secretion and excretion.

Discuss importance of excretion in plants and animals.
text book
Some plants excretory products.
K.L.B. BK 2
PP. 83-84
12 3
EXCRETION AND HOMEOSTASIS
Excretion and homeostasis in unicellular organisms.
By the end of the lesson, the learner should be able to:
Describe excretion and homeostasis in an amoeba and a paramecium.
Q/A: Review diffusion, structure of an amoeba.
Discuss excretion and homeostasis in an amoeba and a paramecium.
text book
K.L.B. BK 2
PP. 84-85
12 4
EXCRETION AND HOMEOSTASIS
Excretion and homeostasis in animals.
By the end of the lesson, the learner should be able to:
To identify excretory organs in various animals.
Exposition and discussion.
Observe drawings of various animals showing excretory organs.
Specimens of platyhelmin-thes, annelida, insects.
K.L.B. BK 2
P. 85

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