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Name :.. Form:

Chapter 2 Cell As A Unit Of Life

1. Diagram 1 shows a plant cell.

Diagram 1

( a ) On Diagram 1 ,label structures P , Q and R using the following words.

Nucleus Cell wall Chloroplast

( 3 marks)

( b ) Draw lines to show the correct match between the structures and theirfunctions.

Structure Function

( 2 marks)

P: __________________

Q : ______________

R: _______________

P

Q

R

Regulates movement of substances in andout of the cell.

Protects and maintains the shape of the

cell.

Controls all activities of the cell.

Carries out photosynthesis.

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2. Diagram 2 shows cells K and L .

Q : ___________

Cell K : ______________________ Cell L : ______________________

Diagram 2

( a ) Name cells K and L in the spaces provided in Diagram 2. ( 2 marks)

( b ) Q controls all cell activities. Label Q in Diagram 2. ( 1 mark)

( c ) Based on structures R or S in cell L , complete Table 2.1

Name of structure Function of structure

Table 2.1( 2 mark)

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3. Diagram 3 shows an animal cell and a plant cell.

Animal cell Plant cellDiagram 3

( a ) On Diagram 3, label the common structures in both cells using the

following words.

Nucleus Cell Membrane Cytoplasm

( 3 marks)

( b ) Give three differences between an animal cell and a plant cell.

Animal cell Plant cell

( 3 marks)

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4. Diagram 4 shows two types of cells.

P : _____________________ Q : _______________________

Diagram 4

( a ) Name cells P and Q in the spaces provided in Diagram 4. ( 2 marks)

( b ) R controls all cell activities . Mark R of cells P and Q on Diagram 4.( 1 mark)

( c ) State two differences between cells P and Q.

Cell P Cell Q

( 2 marks)

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5. Diagram 5 shows two samples of human cells.

Diagram 5

( a) What is X and Y ?

X : .

Y : .( 2 marks)

( b) State the function of the human cells given.

( i ) X : ..

( ii) Y : ..( 2 marks )

Cell P Q System Organism

( b) Give an example for each P and Q?

P :

Q : .( 2 marks)

X Y

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6. Diagram 6.1 shows the three types of cells in the human body.

Diagram 6.1

( a ) Name each type of cell

i) J :____________________________________________________________

ii) K:____________________________________________________________

iii) L :____________________________________________________________

( 3 marks)

( b ) Name the human body system formed by each type of cell.

i) J:__________________________________________________________

ii) K:_________________________________________________________

iii) L :_________________________________________________________

( 3 marks)

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7. Diagram 7 shows two types of blood cells in the human body.

S TDiagram 7

( a ) Name blood cells S and T.

S : .

T : ( 2 marks)

( b ) Based on blood cell S and T , draw lines to show the correct matchbetween the structures and their functions.

Structure Function

( 2 marks)

S

T

Protects the body from dangerousmicroorganisms

Carries oxygen to all parts of the body.

Sends information in the body.

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8. Diagram 8 shows the various types of system found in the human body.

P : ________________ Q : ________________ R : _________________

Diagram 8

( a ) On Diagram 8 , label the system P , Q and R using the following words.

Skeletal System Digestive system Respiratory System

( 3 marks)

( b ) State the functions of the systems in Diagram 7.

( i ) P : .

( ii ) Q :

( iii ) R : ..

..

( 3 marks)

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9. ( a ) ( i ) Diagram 9 shows some examples of the organisation of cells in the

human body.

Which of the following is an organ ?

Tick (

) in the box provided.

Diagram 9( 1 mark)

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( ii ) Circle the words in the box below to show two other examples of organs.

( 2 marks)

( b ) Draw lines to match each type of cell with its function.

( 3 marks)

CELL FUNCTION

ovum muscle nose lungs

Carries oxygen to all parts of thebody.

Sends information in the body.

Destroys bacteria.

Involved in reproduction

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10.Diagram 10 shows a picture of microorganisms. R , S , T and U.

Diagram 10

( a ) Label Diagram 10 with the information provided in the box below.

Paramecium Spirogyra Ameoba

( 3 marks)

R : S :

T : Euglena U :

X

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( b ) U can make its own food. Explain why.

.

.

( 1 mark)

( c ) State the function of X

..

.( 1 mark)

11. Diagram 11 below shows the microorganisms of J , K , L , M ,N and O.

J K L

M N O

Diagram 11

( a ) Which organisms consist of one cell only?

.. .. ( 1 mark)

( b ) Which organism can make their own food?

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. (1 mark)

( c ) Which organism can change its shape?

.. .. (1 mark)

( d ) What is the difference between unicellular and multicellular organisms?

..(1 mark)

12 . The information below shows a variety of organisms

(a) Classify all the above organisms into two groups as below

( 5 marks)

b. State the meaning of

i. Unicellular organism

.. ..(1 marks)

ii. Multicellular organism

..(1 marks)

Euglena Cat Chlamydomonas Starfish

Amoeba Fern Paramecium Butterfly

Hydra Yeast

I. Unicellular organism

..

..

..

.

.

II. Multicellular organism

..

..

..

.

.

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13. Diagram 13 shows four types of cells ,J , K , L and M which are found in livingorganisms.

J K

L M

Diagram 13

( a ) Observe the cells in Diagram 13.Based on your observation, state one characteristic of each cells J , K , L andM.

J :

K : ..

L : .

M : .

( 4 marks)

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( b ) Classify cells J , K , L and M in Diagram 13 into two groups based on their

common characteristics.Write letters of the cells belonging to each group.

( 4 marks)

J, K, L, M, N and O

Group 1 Group 2

Commoncharacteristics

Letters of thecells

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14. Diagram 14 shows five types of organisms J , K , L , M ,N and O.

J K L

M N O

Diagram 14

( a ) Observe the cells in Diagram 14.

Based on your observation, state one characteristic of each cells J , K , L andM.

J :

K : ..

L : .

M : .

( 4 marks)

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a. Classify organisms J, K , L ,M ,N and O in diagram 13 into two groups based ontheir common characteristic.

Name the organism belonging to each group.

( 4 marks)

J, K, L, M, N and O

Group 1 Group 2Commoncharacteristics

Name of theorganisms