CXC Integrated Science exam guide: Section A: Production and Growth




CXC Integrated Science exam guide: Production and Growth

CXC Integrated Science Exam Guide

Section A-The Organism

General objectives of the section:

Candidates should demonstrate an understanding of:

1.

The interdependence of life processes;

2.

The relationship between an organism and its environment;  

3.
The relationship between structure and function of an organism;

Unit I: Production and growth

Specific Objectives

Students should be able to:

Explanatory notes
Suggested Practical Activities

1. Describe various methods of asexual reproduction in plants and animals

Flowers: naming and functions of parts; pollination: types, advantages of cross pollination.

Agents of fertilization and development of seeds/fruits (outline); Entamoeba Plasmodium to be considered.

Examine and draw storage organism; examine corms, bulbs, rhizomes, runners, and cuttings.

2. Describe the process of sexual reproduction in plants and in humans

Comparison with asexual, Advantages and disadvantages (variety, evolution, livestock and crops).

Human reproduction; naming and function of parts; menstrual cycle and role in contraception, pregnancy; fertilization, development of fetus (outline); birth; contraception.

Drawing of half-flower, fruits and seeds;

Use models of human reproductive system

3. Discuss the importance of pre-and post natal care of mothers and babies

The effects of nutrition, drugs, X-rays and diseases, emphasis on advantages of breast feeding, immunization. Collect data from health center or other health facilities.

4. Describe the role of chromosomes in the transfer of genetic information

Genetic transfer: (outline), cell division, chromosome transfer

The implications of the Rh factor, precautions that the mother may take to ensure birth of a normal child.

5. Compare growth patterns in selected organisms

Seeds of annual plants to be planted may be balsam, bean and maize.

Plot graph of plant growth at regular intervals of one week and extrapolate to predict height at future time;

Construct and analyze graphs of height and weight with increasing age of boys and girls; attempt to verify prediction for plants and students.

6. Discuss the need for human population control

Effects of population pressures on quality of life, world food production and limited material resources.

Consideration of the effects of teenage pregnancy; birth control methods.

Collect population statistics from agencies, such as, WHO and UNESCO
Go to Section A, unit II: Food and Nutrition


Fivestar

gothicprincess6 (not verified) 14 May 2012 - 10:14pm

awesome

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