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Biology
Form 3 2025
TERM II
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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
1 5
REPRODUCTION IN PLANTS AND ANIMALS
Introduction
By the end of the lesson, the learner should be able to:
To differentiate between sexual and asexual reproduction.
To state importance of reproduction.


Q/A: Defination of reproduction.
Teacher illustrates and explains sexual and asexual reproduction.
text book
KLB BK III. P 78. CERTIFICATE PG 99
2

OPENER EXAM

2 4
REPRODUCTION IN PLANTS AND ANIMALS
Cell division.
By the end of the lesson, the learner should be able to:
To define genes and chromosomes.
To describe the role of chromosomes in cell division.
Detailed discussion.
chart
KLB BK III.
P 79. CERTIFICATE PG100
2 5
REPRODUCTION IN PLANTS AND ANIMALS
Mitosis.
By the end of the lesson, the learner should be able to:
To describe the process of mitosis.
Teacher leads in a detailed discussion.
Drawing diagrams showing stages of mitosis.
charts
KLB BK III.
P 80. CERTIFICATE PG 100
3 1
REPRODUCTION IN PLANTS AND ANIMALS
Mitosis in a young root tip.
By the end of the lesson, the learner should be able to:
To describe an experiment to show mitosis in a young root tip.
Group experiments: Observing different stages of mitosis. Drawing cells showing stages of mitosis.

Comparing drawn cells with those previously drawn.
Onion root tip.

Microscope

IM HCl

Cover slides.
KLB BK III.
P 80. CERTIFICATE PG 102
3 2
REPRODUCTION IN PLANTS AND ANIMALS
Significance of mitosis.
Meiosis.
By the end of the lesson, the learner should be able to:
To explain significance of mitosis.
Detailed discussion.
text book
KLB BK III.
P 81. CERTIFICATE PG102
3 3-4
REPRODUCTION IN PLANTS AND ANIMALS
First and second meiotic divisions.
By the end of the lesson, the learner should be able to:
To describe the processes of first and second meiotic divisions.
Explanations and drawing diagrams.
Chart- stages of second meiotic division.
KLB BK III.
P 82. CERTIFICATE PG 104
3 5
REPRODUCTION IN PLANTS AND ANIMALS
Meiosis in plant cells.
Significance of meiosis.
By the end of the lesson, the learner should be able to:
To identify various stages of meiosis.
Group experiments- meiosis in young flower bulbs.
Drawing cells showing stages of meiosis.
Comparing drawn cells with those previously drawn.
Flower buds
IM HCl
Source of heat
Glass slide
Filter paper
Microscope
KLB BK III.
P 82. CERTIFICATE PG 105
4 1
REPRODUCTION IN PLANTS AND ANIMALS
Asexual reproduction. Binary fission.
By the end of the lesson, the learner should be able to:
To identify types of asexual reproduction.
To describe the stages of binary fission in amoeba.
Exposition and discussion.

Drawing diagrams/ discussion.
Chart- Binary fission in amoeba
KLB BK III.
P 87.CERTIFICATE PG 113
4 2
REPRODUCTION IN PLANTS AND ANIMALS
Spore formation.
By the end of the lesson, the learner should be able to:
To describe the process of spore formation in bread// ugali mould.
Mould on bread /ugali.
Identify and draw hyphae and sporangia.
Microscope bread/ ugali mould
Hand lens.
KLB BK III.
P 88.CERTIFICATE PG 114
4 3-4
REPRODUCTION IN PLANTS AND ANIMALS
Budding.
Budding in yeast.
Sexual reproduction in plants. Structure of a flower.
By the end of the lesson, the learner should be able to:
To explain conditions necessary for budding in yeast.
To draw and label a flower.
Exposition and discussion.
Group experiments- Examine flowers and identify parts.
Counting number of sepals, petals, stamen, carpels.
Previously prepared 10% sugar solution
Methylene blue
Microscope
Bean flower
Morning glory
Bauhinia Longitudinal section of a general flower.
KLB BK III.
P 89.CERTIFICATE PG 113
KLB BK III.
P 90.CERTIFICATE PG 117
4 5
REPRODUCTION IN PLANTS AND ANIMALS
Sexual reproduction in plants. Structure of a flower.
By the end of the lesson, the learner should be able to:
To draw and label a flower.
Group experiments- Examine flowers and identify parts.
Counting number of sepals, petals, stamen, carpels.
Bean flower
Morning glory
Bauhinia Longitudinal section of a general flower.
KLB BK III.
P 90.CERTIFICATE PG 117
5 1
REPRODUCTION IN PLANTS AND ANIMALS
Flower terminologies.
By the end of the lesson, the learner should be able to:
To explain terms related to flowers.
Exposition of new concepts.
Teacher demonstration- examining features of flowers.
Flowers.
KLB BK III.
P 91.CERTIFICATE PG 117
5 2
REPRODUCTION IN PLANTS AND ANIMALS
Pollination. Insect-pollinated flowers.
By the end of the lesson, the learner should be able to:
To define pollination.
To identify agents of pollination.
To describe the structure of insect-pollinated flowers.
Q/A: Definition of pollination.
Agents of pollination.
Class experiment- Structure of insect pollinated flowers.
Students identify various parts.
Insect-pollinated flowers.
KLB BK III.
P 93.CERTIFICATE PG 119
5 3-4
REPRODUCTION IN PLANTS AND ANIMALS
Pollination. Insect-pollinated flowers.
Wind-pollinated flowers.
By the end of the lesson, the learner should be able to:
To define pollination.
To identify agents of pollination.
To describe the structure of insect-pollinated flowers.
To describe the structure of wind-pollinated flowers.
Q/A: Definition of pollination.
Agents of pollination.
Class experiment- Structure of insect pollinated flowers.
Students identify various parts.

Class experiment-examine inflorescence of star grass/ maize/ sugarcane.
Identify glumes, spikes and spikelets.
Compare them in text books/ charts.
Insect-pollinated flowers.
Wind-pollinated flowers.
KLB BK III.
P 93.CERTIFICATE PG 119
KLB BK III.
PP 93-94.CERTIFICATE PG 119
5 5
REPRODUCTION IN PLANTS AND ANIMALS
Adaptive features of wind-pollinated flowers.
By the end of the lesson, the learner should be able to:
To state and explain adaptive features of wind-pollinated flowers.
Q/A: adaptive features of wind-pollinated flowers.
Wind-pollinated flowers.
KLB BK III. PP 93-94.CERTIFICATE PG 119
6 1
REPRODUCTION IN PLANTS AND ANIMALS
Features hindering self-pollination.
By the end of the lesson, the learner should be able to:
To discuss features and mechanisms that hinder self-pollination in plants.
Exposition and detailed discussion.
wind & inect pollinated flower
KLB BK III. PP 93-94.
6 2
REPRODUCTION IN PLANTS AND ANIMALS
Fertilisation process in flowering plants.
By the end of the lesson, the learner should be able to:
To define fertilisation.

To describe the fertilisation process in flowering plants.

Drawing diagrams,
detailed discussion.
chart
KLB BK III.
P 95.CERTIFICATE PG 121
6 3-4
REPRODUCTION IN PLANTS AND ANIMALS
Seed formation.
Fruit development.
By the end of the lesson, the learner should be able to:

To explain formation of seeds.


To describe development of fruits in flowering plants.

Detailed discussion.

Detailed discussion.

text book
KLB BK III.
P 97.CERTIFICATE PG 123
KLB BK III.
P 98.CERTIFICATE PG 124
6 5
REPRODUCTION IN PLANTS AND ANIMALS
Fruit development.
By the end of the lesson, the learner should be able to:

To describe development of fruits in flowering plants.

Detailed discussion.

text book
KLB BK III.
P 98.CERTIFICATE PG 124
7 1
REPRODUCTION IN PLANTS AND ANIMALS
Classification of fruits.
By the end of the lesson, the learner should be able to:
To classify fruits using specific criteria.
Teacher presents several types of fruits and leads students in classifying them.
Detailed discussion, drawing of diagrams.

A variety of fruits, petri dishes
Blades
Containers.
KLB BK III.
P 99. CERTIFICATE PG 125
7 2
REPRODUCTION IN PLANTS AND ANIMALS
Placentation.
By the end of the lesson, the learner should be able to:

To define placentation.
To describe the process of placentation.
To identify types of placentation.

Teacher exposes the meaning of placentation.
Students examine ovaries of various fruits as the teacher exposes the types of placentation exhibited.
Students draw diagrams showing types of placentation.
Fruits
Beans
Sunflower
Pawpaw
Orange
Primrose, e.t.c
KLB BK III.
P 100.CERTIFICATE PG 130
7 3-4
REPRODUCTION IN PLANTS AND ANIMALS
Placentation.
Fruit and seed dispersal.
By the end of the lesson, the learner should be able to:

To define placentation.
To describe the process of placentation.
To identify types of placentation.
To explain adaptive features of fruits and seeds to their agents of dispersal.

Teacher exposes the meaning of placentation.
Students examine ovaries of various fruits as the teacher exposes the types of placentation exhibited.
Students draw diagrams showing types of placentation.

Students examine fruits and seeds, observe external features, and group them accordingly to methods of dispersal.
Detailed discussion of observations made.


Fruits
Beans
Sunflower
Pawpaw
Orange
Primrose, e.t.c
text book
KLB BK III.
P 100.CERTIFICATE PG 130
KLB BK III. PP. 102-103 CERTIFICATE PG 130
7 5
REPRODUCTION IN PLANTS AND ANIMALS
Internal structure of fruits.
By the end of the lesson, the learner should be able to:
To label the parts of internal structure of a fruit.

To identify the functions of internal parts of a fruit.
Teacher demonstration- Vertical sections of fruits.

Students draw and label the fruit internal structure.


charts
KLB BK III. P. 104 
8 1
REPRODUCTION IN PLANTS AND ANIMALS
Sexual reproduction in animals. External fertilisation.
By the end of the lesson, the learner should be able to:


To describe external fertilisation in amphibians.


Detailed discussion.
Strands of eggs of frogs.
KLB BK III.
P 105 CERTIFICATE PG 147
8 2
REPRODUCTION IN PLANTS AND ANIMALS
Internal fertilisation.
By the end of the lesson, the learner should be able to:
To describe internal fertilisation and compare it with external fertilisation.
Tabulate differences between external and internal fertilisation.
KLB BK III. P. 105CERTIFICATE PG 148
8 3-4
REPRODUCTION IN PLANTS AND ANIMALS
Reproduction in mammals. Reproduction in human beings.
By the end of the lesson, the learner should be able to:
To explain the reproduction process in mammals.


To draw and label the structure of male reproduction system.

Detailed discussion.



Drawing and labeling male reproduction system.


Wall charts-Reproduction system.
KLB BK III. P. 105 CERTIFICATE PG 149
8 5
REPRODUCTION IN PLANTS AND ANIMALS
Functions of parts of male reproduction system.
By the end of the lesson, the learner should be able to:
To explain the male reproduction system.
Detailed discussion.
text book
KLB BK III. PP. 106-108 CERTIFICATE PG 150
9

MIDTERM EXAM AND BREAK

10 1
REPRODUCTION IN PLANTS AND ANIMALS
Male reproduction system of a male animal.
By the end of the lesson, the learner should be able to:
To identify parts of male reproduction system of a rabbit/ rat.
To examine reproduction system of a male rabbit /rat.
Identify the parts of the reproduction system.


Reproduction system of a rabbit/ rat.
KLB BK III. P. 108 CERTIFICATE PG 164
10 2
REPRODUCTION IN PLANTS AND ANIMALS
Female reproduction system.
By the end of the lesson, the learner should be able to:
To draw and label parts of the female reproduction system.
Drawing and labeling.
chart
KLB BK III. PP.
108-110. CERTIFICATE PG 164
10 3-4
REPRODUCTION IN PLANTS AND ANIMALS
Functions of parts of female reproduction system.
Female reproduction system of a female animal.
Formation of ova.
By the end of the lesson, the learner should be able to:
To explain the functions of parts of female reproduction system.
To identify parts of female reproduction system of a female animal.
Detailed discussion.
Examine parts of a female reproduction system.
Identify the parts.
chart
Dissected female rat/ mouse/rabbit.
text book
KLB BK III. PP.
108-110 CERTIFICATE PG  150
KLB BK III. P.110 CERTIFICATE PG 151
10 5
REPRODUCTION IN PLANTS AND ANIMALS
Fertilisation process.
By the end of the lesson, the learner should be able to:
To explain the fertilisation process.
Discussion
Drawing diagrams.

chart
KLB BK III. PP. 113-114 CERTIFICATE PG 152
11 1
REPRODUCTION IN PLANTS AND ANIMALS
Implantation.
By the end of the lesson, the learner should be able to:
To define implantation.
To define ectopic pregnancy.
Drawing illustrative diagrams.
Discussion.
text book
KLB BK III. P. 114 CERTIFICATE PG 153
11 2
REPRODUCTION IN PLANTS AND ANIMALS
The placenta.
Role of the placenta. Placental exchanges.
By the end of the lesson, the learner should be able to:
To describe the formation of the placenta and the structure of the placenta.
Exposition and discussion.
Chart- The placenta.
text book
KLB BK III. P. 115 CERTIFICATE PG 159
11 3-4
REPRODUCTION IN PLANTS AND ANIMALS
Pregnancy and hormones.
Abortion, miscarriage, birth.
By the end of the lesson, the learner should be able to:
To identify functions of human oestrogen and progestrone during pregnancy.
To describe processes of abortion, miscarriage and birth.
Tabulate functional differences.
Q/A: To elicit students responses on related issues.
text book
CERTIFICATE PG 160
KLB BK III. PP.
117-119 
11 5
REPRODUCTION IN PLANTS AND ANIMALS
Lactation and parental care.
Secondary sexual characteristics.
By the end of the lesson, the learner should be able to:
To explain the role of oxytocin in milk let down.
To draw and label mammary glands.
Discussion

Drawing and labelling mammary glands.
Wall- charts mammary glands.
text book
KLB BK III. P. 120 
12 1
REPRODUCTION IN PLANTS AND ANIMALS
The menstrual cycle.
By the end of the lesson, the learner should be able to:
To explain the role of hormones in the menstrual cycle.
Detailed discussion.
Chart- Phases of human menstrual cycle.
KLB BK III. P. 121 CERTIFICATE PG 151
12 2
REPRODUCTION IN PLANTS AND ANIMALS
28-day menstrual cycle.
By the end of the lesson, the learner should be able to:
To represent hormonal levels on a 28-day chart.
Open discussion.
Interpreting illustrative charts.
chart
KLB BK III. PP.
122-123 CERTIFICATE PG 152
12 3-4
REPRODUCTION IN PLANTS AND ANIMALS
Menopause, infertility and emerging issues.
Sexually Transmitted Infections & HIV/AIDS.
By the end of the lesson, the learner should be able to:
To describe hormonal changes at menopause.
To discuss emerging issues related to infertility and menopause.

To identify the symptoms of STIs.
To explain the mode of transmission of STIs / AIDS and discuss methods of control.
To differentiate between HIV and AIDS.
Open discussion.
Detailed discussion.
Q/A: Distinction and relationship between HIV and AIDS.

text book
Chart- STIs causal agents, symptoms, prevention and control measures.
KLB BK III. P. 123 
PP.
123-125 CERTIFICATE PG 169
13-14

ENDTERM EXAM AND CLOSING


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