Sunday, January 20, 2013

SOALAN PERCUBAAN BIOLOGI TAHUN-TAHUN LEPAS

Soalan Percubaan Biologi tahun-tahun lepas mengikut topik :

Cell structure :
1. soalan 1
2. soalan 2
3. soalan 3
4. soalan 4
5. soalan 5

Movement of substances across plasma membrane

1. soalan 1
2. soalan 2
3. soalan 3 

Chemical composition of the cell

1. soalan 1
2. soalan 2
3. soalan 3
4. soalan 4 

Cell division

1. soalan 1
2. soalan 2
3. soalan 3 

Nutrition

1. soalan 1
2. soalan 2
3. soalan 3
4. soalan 4
5. soalan 5

Respiration

1. soalan 1

Wednesday, May 2, 2012

Latihan Topikal Tingkatan 4

Cell Structure
1. Latihan 1

Chemical composition of the cell
1. Latihan 1 + skema

Cell Division
1. Latihan 1   + skema

Wednesday, February 15, 2012

Saturday, November 26, 2011

Ramalan adabi

Soalan struktur:

1. movement of substances across plasma membrane
- phospholipid bilayer
- blood in hypertonic solution (salt solution)

2. Enzyme
- lock and key analogy
- enzyme in digestive system

3. Transport
- blood clotting
- factor for heart disease

4.Variation
- continous variation and discontinous variation
- disease cause by mutation
- factors for mutation


5. digestion
- villus
- adaptation of ileum to carry out its function
- why cellulase is not digested in human digestive system
- why rodent has a large caecum

6. respiratory system of human, fish and insect
- draw and labelled
- adaptation of respiratory structure of insect to prevents it from
collapsing
- similar characteristics of the respiratory structure of human, fish
and insect to increase efficiency in gaseous exchange
- why insect does not have blood capillaries

7. Structure of kidney nephron
- difference of composition of filtratre along the tubuls in nephron
- meaning of reabsoprtion


Essay question :
1. (a) Describe how oogenesis occurs in human
(b) explain the involvement of hormone in menstrual cycle

2. (a) State the relationship between the rats and the owls and describe the
relationship between them

(b) explain the interactions that exist between lichen and algae, clown fish and sea anemones

(c) describe why most plants cannot colonis and gron in mangrove swamp

(d) discuss the adaptive characteritics of the mangrove plant species that allow them to grow well in the swamps

3. (a) What is meant by balanced diet?
(b) discuss the importance of the following classes of food:
- roughage
- water

(c) discuss a diet appropriate for the following target group:
i. children
ii. pregnant mother

4. (a) Describe the role played by each of the following in maintaining the circulation of blood in the human body
i. the heart
ii. the blood vessels
iii. the muscle of the limb

(b) describe how the structure of red blood cells is adapted to
transport oxygen

(c) compare the circulation of amphibian and human

5 (a) draw and explain the phases involved to produce daughter cells
(b) describe the effect of uv ray to human cells

6. (a) Describe the factors the affect the rate of photosynthesis
(b) Discuss how the human maintain the normal range of carbon dioxide
and pH level of blood after vigorous activity

7. (a) Describe how pollen grains are formed in plants
(b) Describe how infertility is overcome in humans using the following method:
- sperm bank
- artificial insemination
- in vitro fertilization
- surrogate mother


8. (a) A farmer has crossed a smooth and green pea plant with a wrinkled and yellow pea plant. 1600 pea seeds produced were collected and sorted according to different phenotypes

explain the crossbreed done by the farmer

(b) Mr P and Ms Q is healthy and normal couple. Their first child is albino girl and the second hild is an albino son. Their youngest is a pair of normal identical femal twins
i. Complete the pedigree chart of Mr P's family in diagram below. Then
explain the inheritance of albinism in the family

ii. Explain how the inheritance of albinism to the next generation of
Mr P's family can be controlled

Thursday, November 17, 2011

skema soalan topikal form 4

1. Skema 1
2. Skema 2

Sila buat latihan topikal yang diberi

Thursday, October 6, 2011