GROWTH & DEVELOPMENT.

Dormancy in seeds.

By the end of the lesson, the learner should be able to:
To define seed dormancy.
To explain factors that cause dormancy and ways of breaking dormancy.

Detailed discussion.

video

KLB BK III. P. 137 CERTIFICATE PG 188

GROWTH & DEVELOPMENT.

Seed germination.

By the end of the lesson, the learner should be able to:
To describe the process of seed germination.
To investigate conditions necessary for germination.
To explain conditions necessary for germination.

Observe previously prepared specimens.
Discuss the observations.

Seeds
Cotton wool
Flat bottomed flasks
Corks
T-tubes
Thermometers
pyrogallic acid
NaOH solution.

KLB BK III.
P 140. CERTIFICATE PG 184

GROWTH & DEVELOPMENT.

Seed germination.

By the end of the lesson, the learner should be able to:
To describe the process of seed germination.
To investigate conditions necessary for germination.
To explain conditions necessary for germination.

Observe previously prepared specimens.
Discuss the observations.

Seeds
Cotton wool
Flat bottomed flasks
Corks
T-tubes
Thermometers
pyrogallic acid
NaOH solution.

KLB BK III.
P 140. CERTIFICATE PG 184

GROWTH & DEVELOPMENT.

Epigeal germination.

By the end of the lesson, the learner should be able to:
To differentiate between epigeal and hypogeal germination.
To describe epigeal germination.

Observe previously prepared specimens of germinating bean seed/ castor seed.
Drawing comparative diagrams.

Specimens of germinating bean/castor seed at different phases of germination.

KLB BK III. P. 141 CERTIFICATE PG 184

GROWTH & DEVELOPMENT.

Hypogeal germination.

By the end of the lesson, the learner should be able to:
To describe hypogeal germination.

Observe previously prepared specimens of germinating bean seed/ castor seed.
Drawing diagrams.

Specimens of germinating maize seed at different phases of germination.

KLB BK III. P. 141 CERTIFICATE PG 184

GROWTH & DEVELOPMENT.

Primary growth of a seedling.
Region of growth in a root.

By the end of the lesson, the learner should be able to:
To describe primary growth of a seedling.

To determine the region of growth in a root.

Brief discussion.
Group experiments- Observe previously prepared specimens to determine regions of growth.
Discuss observations made.
Draw relevant diagrams.

Germinating bean seeds
Cork pin
Beaker
Indian ink
Blotting paper
Ruler.

KLB BK III. P 143 CERTIFICATE PG 186
KLB BK III. P. 144 CERTIFICATE PG 186

GROWTH & DEVELOPMENT.

Apical meristems.

By the end of the lesson, the learner should be able to:
To draw and label longitudinal and transverse sections of apical meristems.

Drawing and labelling transverse sections of apical meristems.

Charts- Apical meristems.

KLB BK III. P. 144 CERTIFICATE PG 186

GROWTH & DEVELOPMENT.

Apical meristems.

By the end of the lesson, the learner should be able to:
To draw and label longitudinal and transverse sections of apical meristems.

Drawing and labelling transverse sections of apical meristems.

Charts- Apical meristems.

KLB BK III. P. 144 CERTIFICATE PG 186

GROWTH & DEVELOPMENT.

Secondary growth.

By the end of the lesson, the learner should be able to:
To describe secondary growth of plants.

Detailed discussion.

text book

KLB BK III. PP. 145-146 CERTIFICATE PG 187

GROWTH & DEVELOPMENT.

Growth hormones.
Apical dominance.

By the end of the lesson, the learner should be able to:
To explain role of hormones in growth of plants.
To explain the role of auxins in apical dominance.

Discuss the role of IAA, gibberellins, cytokinins, and abscisic acid e.t.c, in plant growth.

Probing questions leading to definition and explanation of apical dominance.

text book
Shoot with lateral growth.

KLB BK III. P. 147 CERTIFICATE PG 190
KLB BK III. PP. 147-148.

GROWTH & DEVELOPMENT.

Growth and development in insects.

By the end of the lesson, the learner should be able to:
To differentiate between complete and incomplete metamorphosis.

Q/A: Features of complete and incomplete metamorphosis of insects.

chart

KLB BK III. PP.148-14.9 CERTIFICATE PG 194

GROWTH & DEVELOPMENT.

Role of hormones in insect growth.

By the end of the lesson, the learner should be able to:
To identify hormones that promotes insect growth.

Exposition and explanations.

text book

KLB BK III. PP. 148-149. CERTIFICATE PG 199

GENETICS

The concept of variation.

By the end of the lesson, the learner should be able to:


Define Genetics.
Define variation.

Exposition of new concepts.
Probing questions on some variations in human beings.
Observe some variations in human beings such as tongue rolling, finger prints, students? heights, etc.
Discussion on the concept of variation.

Ink pad, hand lenses, white paper.

KLB BK IV.
PP 1-2.

GENETICS

The concept of variation.
Discontinuous variation.

By the end of the lesson, the learner should be able to:


Define Genetics.
Define variation.
Define discontinuous variation.

Exposition of new concepts.
Probing questions on some variations in human beings.
Observe some variations in human beings such as tongue rolling, finger prints, students? heights, etc.
Discussion on the concept of variation.

Observe some discontinuous variations in human beings such as tongue rolling, sex, blood groups, etc.
Discussion on the concept of discontinuous variation.

Ink pad, hand lenses, white paper.
text book

KLB BK IV.
PP 1-2.
KLB BK IV.
P 3.

GENETICS

Discontinuous variation.

By the end of the lesson, the learner should be able to:
Define discontinuous variation.

Observe some discontinuous variations in human beings such as tongue rolling, sex, blood groups, etc.
Discussion on the concept of discontinuous variation.

text book

KLB BK IV.
P 3.

GENETICS

Continuous variation.

By the end of the lesson, the learner should be able to:
Define continuous variation.
Give examples of characteristics that show continuous variation.

Class activity ; students measure and record their heights;
Plotting of frequency-height graph;
Analyzing the graph;
Discussion with probing questions.

Metre rules/ tape measure,
Graph papers

KLB BK IV.
PP 3-4

GENETICS

Causes of variation.

By the end of the lesson, the learner should be able to:
Discuss causes of variation.

Exposition of new concepts.
Discussion with probing questions.

text book

KLB BK IV.
P 4

GENETICS

Causes of variation.

By the end of the lesson, the learner should be able to:
Discuss causes of variation.

Exposition of new concepts.
Discussion with probing questions.

text book

KLB BK IV.
P 4

GENETICS

Causes of variation.

By the end of the lesson, the learner should be able to:
Discuss causes of variation.

Exposition of new concepts.
Discussion with probing questions.

text book

KLB BK IV.
P 4

GENETICS

The chromosome.

By the end of the lesson, the learner should be able to:
Describe the structure of chromosomes.

Exposition of new concepts.
Probing questions.
Discussion.

text book

KLB BK IV. PP 4-5.

GENETICS

Chromosomal behaviour during mitosis.

By the end of the lesson, the learner should be able to:
Describe chromosomal behaviour during mitosis.

Exposition;
Teacher demonstrations;
Drawing diagrams;
Detailed discussion.

Scissors,
Manilla papers, thread, cellotape.

KLB BK IV. PP 5-6

GENETICS

Chromosomal behaviour during mitosis.

By the end of the lesson, the learner should be able to:
Describe chromosomal behaviour during mitosis.

Exposition;
Teacher demonstrations;
Drawing diagrams;
Detailed discussion.

Scissors,
Manilla papers, thread, cellotape.

KLB BK IV. PP 5-6

GENETICS

Chromosomal behaviour during meiosis.

By the end of the lesson, the learner should be able to:
Describe chromosomal behaviour during meiosis.

Exposition;
Teacher demonstrations;
Drawing diagrams;
Detailed discussion.

Scissors,
Manilla papers, threads, cellotape.

KLB BK IV. PP 6-7

GENETICS

Chromosomal behaviour during meiosis.

By the end of the lesson, the learner should be able to:
Describe chromosomal behaviour during meiosis.

Exposition;
Teacher demonstrations;
Drawing diagrams;
Detailed discussion.

Scissors,
Manilla papers, threads, cellotape.

KLB BK IV. PP 6-7