CHAPTER 2 - Cell as the Basic Unit of Life

Chapter 2 : Cell as the basic unit of life

Name :___________________________________________ Class :________________CHAPTER 2 : CELL AS THE BASIC UNIT OF LIFE

Notes

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CHAPTER 2 : CELL AS THE BASIC UNIT OF LIFE

Name : _____________________________________________ Class : ________________CHAPTER 2 : CELL AS THE BASIC UNIT OF LIFE

OBJECTIVE QUESTIONS2..1.1 Understanding cells

1. What is the function of chloroplast?A. Maintain the shape of the cellB. Chemical processes take place hereC. Controls all the activities in the cellD. Contain chlorophyll to carry out photosynthesis

Trial Selangor 2011 (3)

2. Which cell structure is correctly matched with its function?Cell structure Cell function

A. Nucleus Stores foodB. Vacuole Captures light energyC. Cell wall Maintains the shape of the cellD. Cell membrane Transport water into the cell

Trial Sarawak 2011 (3)

3. Which of the following comparisons is correct?Plant cell Animal cell

A. Has a cell wall No cell wallB. Has cytoplasm No cytoplasm



C. Has a nucleus No nucleusD. No chloroplasts Has chloroplasts

Trial Sabah 2011 (2)

4. The following are informations about the structure of a cell. Carries out photosynthesis Contains chlorophyll Only present in certain plant cells

What is the structure?A. Nucleus B. Vacuole C. Cell wall D. Chloroplast

Trial P. Pinang 2011 (2)

5. Diagram 2 shows the structure of a cell.

Diagram 2Which organism has this type of cell?

A. Rabbit B. Beetle C. Caterpillar D. Balsam plant

Trial Perak 2011 (2)

6. Diagram 1 shows a plant cell.



Diagram 1What is the function of Q?

A. Control the movements of substances in and out of the cellB. Controls all cell activitiesC. To store water and dissolved mineralsD. To absorb sunlight

Trial N9 2011 (2)

2.1.2 Understanding unicellular organism and multicellular organism

7. Which is a unicellular organisms?A. C.

B. D.

Trial KL 2011(2)

8. Which organisms are correctly classified?Unicellular organisms Multicellular organisms

A. Yeast, amoeba, euglena Grass, mucor, birdB. Hydra, mucor, spirogyra Amoeba, yeast, parameciumC. Chlamydomonas, fern, fish Pleurococcus, ant, hydraD. Paramecium, hydra, orchid Spirogyra, euglena, chlamydomonas

Trial P. Pinang 2011 (3)

9. Diagram 2 shows an organism that lives in a pond.

Diagram 2



Which organism is in the same group as in diagram above?A. C.

B. D.

Trial Kelantan 2011(3)

2.1.3 Understanding that cells form tissues, organs and systems in the human body.

10. Diagram 2 shows a type of human cell.

Diagram 2This cell can be found in the

A. Blood circulatory systemB. Reproductive systemC. Nervous systemD. Digestive system

Trial Perlis 2011 (3)

11. Diagram 2 shows various level of a cell organization.

Diagram 2Which of the following is correct example for X?.

A. Heart B. Muscle C. Neuron D. Ovum

Trial N9 2011 (3)



12. Which of the following organs can be grouped into both sensory and excretory organ?

A. Skin B. Liver C. Kidney D. Pancreas

Trial SBP 2011 (2)

13. Which organ is correctly paired with its system?Organ System

A. Brain Nervous B. Kidney Digestive C. Muscle Skeletal D. Heart Respiratory

Trial Kelantan 2011 (4)

14. Diagram 1 shows a system in the human body.

Diagram 1What is the system?

A. Digestive systemB. Respiratory systemC. Blood circulatory systemD. Reproductive system

Trial Melaka 2011 (2)

2.1.4 Realising that humans are complex organisms

15. Why human beings are considered complex organisms?A. The human body has many specialised cells



B. Humans can communicate with each otherC. Humans can live in solitaryD. Humans have a religion

STRUCTURED QUESTIONSTrial P. Pinang 2011 (1)1. Diagram 1 shows two unicellular organisms and one multicellular

organism.

Diagram 1(a) Label organisms K, L and M using the following words.

Spirogyra Chlamydomonas Paramecium

[3 marks]

(b) Draw lines to match each type of organism with its characteristic.

Organism Characteristic

Can change shape

Consists of many cells



A unicellular plant

[3 marks]

Trial SBP 2011 (1)2. Diagram 1 shows pictures of three types of cells found in human body.

Diagram 1(a) Name R, S and T using the words given in the box below.

Muscle cells Cardiac cells Epithelial cells

[3 marks]

(b) Draw lines to match the following systems of the human body with its

function.

System of human body Function

Supports and protect the

inner organs of the body

Absorbs oxygen and gets rid

of carbon dioxide and water

vapour from the body



Breaks up food into simpler

form so that it is more easily

absorbed by the body

[3 marks]


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CHAPTER 2 - Cell as the Basic Unit of Life