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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
1-2

OPENING AND REPORTING
3 1
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
3 2-3
EXCRETION AND HOMEOSTASIS
Excretion and homeostasis in animals.
The mammalian skin.
By the end of the lesson, the learner should be able to:
To identify excretory organs in various animals.
Draw and label the structure of the mammalian skin.
To describe functions of parts of the mammalian skin.
Exposition and discussion.
Observe drawings of various animals showing excretory organs.
Specimens of platyhelmin-thes, annelida, insects.

Permanent slides of mammalian skin.
K.L.B. BK 2
P. 85
K.L.B. BK 2
PP. 86-87
3 4
EXCRETION AND HOMEOSTASIS
The lungs.
By the end of the lesson, the learner should be able to:
To explain the role of lungs as excretory organs.
Exposition and discussion.
Chart/ model- Mammalian lungs.
K.L.B. BK 2
P. 87
4 1
EXCRETION AND HOMEOSTASIS
The kidneys structure.
By the end of the lesson, the learner should be able to:
To describe the external structure of kidney.
To describe the internal structure of the kidney.
Observe external features of a kidney.
Observe internal drawing and labeling of the kidney.
Wall-Charts?internal organs of a kidney.
K.L.B. BK 2
PP. 89-90
4 2-3
EXCRETION AND HOMEOSTASIS
The kidneys structure.
The nephron.
By the end of the lesson, the learner should be able to:
To describe the external structure of kidney.
To describe the internal structure of the kidney.
Describe features of the nephron.
Observe external features of a kidney.
Observe internal drawing and labeling of the kidney.
Discuss features of the nephron.
Draw structure of the nephron.
Label the diagram.
Wall-Charts?internal organs of a kidney.

Chart?Kidney nephron.
K.L.B. BK 2
PP. 89-90
4 4
EXCRETION AND HOMEOSTASIS
Urine formation.
By the end of the lesson, the learner should be able to:
To explain formation of urine.
Detailed discussion.
chart
K.L.B. BK 2 PP 90
5

MIDTERM EXAM
5 3
EXCRETION AND HOMEOSTASIS
The loop of Henle.
Kidney diseases and disorders.
By the end of the lesson, the learner should be able to:
To explain the function of the loop of Henle; and how it?s adapted to its function.
To discuss the role of ADH in determination of concentration of urine.
To name kidney diseases and disorders and state methods of prevention and / treatment.
Discussion and explanations.
Probing questions.
Chart-
The nephron.
text book
K.L.B. BK 2 PP 91-92
5 4
EXCRETION AND HOMEOSTASIS
The Liver.
By the end of the lesson, the learner should be able to:
To draw and label a diagram of the liver.
Drawing and labeling diagram of the liver.
Chart-Structure of the liver
K.L.B. BK 2 PP 93-94
6 1
EXCRETION AND HOMEOSTASIS
Deamination.
Other functions of the liver.
By the end of the lesson, the learner should be able to:
To explain the function of the liver in deamination.
To state and explain other functions of the liver.
Probing questions.
Discussion
text book
K.L.B. BK 2 PP 95
6 2-3
EXCRETION AND HOMEOSTASIS
Liver disorders.
Homeostasis.
The feedback mechanism.
By the end of the lesson, the learner should be able to:
To name and discuss kidney disorders.
To identify methods of preventing and treating these disorders.
To define the concepts of internal environment and homeostasis.
To differentiate between positive and negative feedback and state their roles in maintaining the desirable point.
Exposition and discussion.
Schematic representation of feedbacks.

Exposition and discussion.
text book
Chart-
Schematic diagram of feedback mechanism
K.L.B. BK 2 PP 96-97
K.L.B. BK 2 PP 97-98
6 4
EXCRETION AND HOMEOSTASIS
The hypothalamus.
By the end of the lesson, the learner should be able to:
To explain the role of hypothalamus in thermoregulation.
Exposition and detailed discussion.
text book
K.L.B. BK 2 PP 98
7 1
EXCRETION AND HOMEOSTASIS
The skin and thermoregulation.
By the end of the lesson, the learner should be able to:
To explain the function of the skin in thermoregulation.
Exposition and discussion.
text book
K.L.B. BK 2 PP 98
7 2-3
EXCRETION AND HOMEOSTASIS
Blood vessels and their functions in thermo-regulation.
Homeostatic behavioral activities.
Osmoregulation.
Blood sugar.
By the end of the lesson, the learner should be able to:
To explain the adaptation of blood vessels and their function in thermo-regulation.
To state and explain various homeostatic behavioral activities.
To describe water and salts balance in the body.
To discuss effects of insufficient/ excess sugar in the blood.
To explain regulation of blood sugar.
Exposition and discussion.
Drawing schematic diagrams.
Discussion on control of body temperature.
Probing questions.
Detailed discussion.
text book
text book,video
K.L.B. BK 2 PP 98-99
K.L.B. BK 2 PP 100-101
7 4
EXCRETION AND HOMEOSTASIS
Diabetes.
By the end of the lesson, the learner should be able to:
To distinguish diabetes mellitus from diabetes inspidus.
To identify simple symptoms of diabetes mellitus and diabetes inspidus.
Detailed discussion.

Probing questions.

Topic review.
text book
K.L.B. BK 2 PP  103
8-9

ENDTERM EXAM AND CLOSING

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