Sunday, 30 January 2011

Soalan SPM Chapter 2

1 a) Diagram below shows the structure of a unicellular organism which lives in a freshwater pond.

Explain the function of X in osmoregulation

2) 2005

Figure shows the organelles involved during the synthesis and secretion of an enzyme in an animal cell

a) Name the organelles labelled P and R
b)i) State the function of organelle S

b) ii) Explain the role of organelle Q in the synthesis of the enzyme

Diagram 1 shows a plant cell as seen under a electron microscope

a) i) On diagram 1 label the structures P, Q, R and S [4m]

ii) State the function of structure R and Q [2m]

b) Explain the role of R to maintain cell turgidity [2m]

Wednesday, 19 January 2011

Biology Form 4

CHAPTER 1 : Introduction to Biology
- The study of Biology
- Scientific Investigation
(Week 1 - Jan)

CHAPTER 2 : Cell Structure and Cell Organisation
Cell Structure and Function
(Week 2 - Jan)

Cell Organisation
(Week 3 - Jan)
The Uniquness of Cell and Review
(Week 4 - Jan)

CHAPTER 3 : Movement of Substances Across the Plasma Membrane
The movement of substances accross the plasma membrane
(Week 5 -Feb)

The movement of substances across the plasme membrane in everyday life
(Week 5 -Feb)

Appreciating the movement of substance across the plasme membrane & Review
(Week 6 - Feb)

CHAPTER 4 : Chemical Composition of the cell
The chemical composition of th cell
(Week 7 -Feb)
(Week 8 - Feb)

The importance of Chemical Composition in Cells
(Week 9 -Mar )

Review (Week 10 -Mar)

CHAPTER 5 : Cell Division
Mitosis (Week 11 /12 Mar)
Meiosis (Week 13/14 Apr)
Review (Week 15 Apr)
Exam  (Week 16 Apr)

Revision (Week 17/18 May)
CHAPTER 6 : Nutrition
CHAPTER 7 : Respiration
CHAPTER 8 : Dynamic Ecosystem
CHAPTER 9 : Endanger Ecosystem

Review Question Chapter 2

Essay Question

(a) Explain the organelle functions in the plant cell.

(b) Describe an experiment to observe the structure of an onion epidermis cell.

Review Question

Objective Question

1 The knowledge of biology that is used to study the structure and function of living things encompasses all of the following except

A morphology

B biochemistry

C physiology

D ecology

2 Choose the statement that has been paired wrongly.

A Botany - the study of plants

B Physiology - the study of the function of living things

C Taxonomy - the study of human diseases

D Zoology - the study of animals

3 Which of the following shows the scientific attitude and a noble value?

A Being objective

B Ability to classify

C Making the correct hypothesis

D Defining operationally

4 What is meant by the term hypothesis?

A The process of observing an object or event

B The possible explanation for a certain event, which can be tested through scientific investigation

C The conclusion that can be made from a series of observations

D The result that can be obtained from a quantitative observation on an event

5 The scientific process involves characteristics such as

I making conclusions

II making hypotheses

III carrying out investigations

IV communicating

A I and IV only

B I, II and IV only

C II and III only

D I, II, III and IV

6 State the final component in a report.

A Conclusion

B Discussion

C Result

D Procedure

7 A student observes that the green pea will germinate in damp conditions but not in dry conditions. What is the problem statement that can be built from the observation of this situation?

A Is light required for germination?

B Is temperature required for germination?

C Is water required for germination?

D Is air required for germination?

8 In an experiment to study the respiration of yeast, two sets of apparatus are prepared. Apparatus set A contains yeast, while apparatus set B has no yeast. What is the function apparatus set B?

A As the variable

B As the control

C As the experiment standard

D As a comparison

9 Arrange the following steps on the scientific investigation in the correct order.

I Making a hypothesis

II Identifying the problem

III Making a conclusion

IV Carrying out the investigation





10 A student records the results that are observed while carrying out the experiment. He also ensures that each step that is carried out carefully without injuring anyone. What is the scientific attitude and noble value that is practiced by the student?

I Interested and curious

II Honest and accurate

III Systematic

IV Responsible towards self-safety and the safety of others

A I and III only

B II and IV only

C I, II and III only

D I, II, III and IV

Review Question for Circulatory System

1) Which camber of the human heart has the thickest wall? Explain why.

2) What are the differences in the structure and function of an artery and a vein?

3) Differentiate a single circulatory system from a double circulatory system.

4) What is the advantage of having open circulatory system?

Blood Clotting