Monday, February 27, 2012

GRADE 9: IGCSE: PRACTICAL EXAM

1. Microscope usage
- research time will be used to have a practice.

2. Skeletal system
- Student must be able to identify different bones and its kind.
- Research using books or the internet to find it.

3. Working lung model
- you can check this http://www.youtube.com/watch?v=JFUu-pn7Qtg or
http://www.youtube.com/watch?v=CBv2BqqAydE&feature=related.

Monday, February 20, 2012

GRADE 10 IGCSE: ECOLOGY

Research on the following:

1. What is a limiting factor? Explain.
2. Enumerate and explain the different limiting factors in the environment.
3. Pinpoint the influences of the different physical factors on living things through specific examples.
4. Tolerance of an organism.
5. Explain how soil controls the distribution of plant and animals in Indonesia.
6. What is Topography and explain how it affects the distribution of plants and animals to different places?
7. Explain how humans disrupt the balance ecological balance.
8. Provide solutions to the different ecological problems you will answer in no. 7.
9. Research on the pollutants present in the Ocean.
10. What is Erosion and its effect to the habitat?

Thursday, February 16, 2012

GRADE 9: IGCSE

Research on the following:
1. How is DNA organized inside the cell?
2. What are the basic units of DNA and show a DIAGRAM.
3. What is the rule in base pairing for the nitrogen-containing bases of DNA?
4. Structure of a GENE.
5. What is RNA?
6. What is genetic engineering? Usage? Issues against it? and its impact to Society?
7. Research on the life and works of Charles Darwin.
8. Research about the Galapagos Islands, its animals and plants.
9. Research about protein synthesis.
10. How is Hemophilia inherited?

Monday, February 6, 2012

GRADE 9: IGCSE

Research on the following:
1. Define inheritance
2. Describe the inheritance of sex in humans
3. Define haploid nucleus and diploid nucleus
4. State that gametes are the result of meiosis.
5. Define and explain the terms:
A. genotype
B. phenotype
C. homozygous
D. heterozygous
E. chromosome
F. Allele
G. gene
6. Monhybrid cross and dihybrid cross
7. State that continuous variation is influenced by genes and
environment, resulting in a range of phenotypes between two
extremes.
8. State that discontinuous variation
9. Define and explain mutation.
10. Outline the effects of ionising radiation on the rate of mutation.
11. Describe and explain variation
12. Describe the role of artificial selection in the production of varieties of
animals and plants with increased economic importance.
13. Define and explain natural selection.
14. Describe the development of strains of antibiotic resistant bacteria as
an example of natural selection.
15. Explain the importance of natural selection as a possible mechanism
for evolution.