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Cell as A Unit of Life
1 The diagram shows a plant cell. Which of the structures A, B, C or D maintains theshape of the plant cell?
PMR 2004
2 The diagram shows a plant cell.
Which of the following structures A, B, C or D controls the activity of the cell?
PMR 2005
3 Which of the following is a multicellular organism?
A B
!
PMR 2006
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" !iagram 1 shows four types of microorganisms.
!iagram 1
Which of the following are unicellular microorganisms?
A Amoe#a, $aramecium, %pirogyraB %pirogyra, Amoe#a, hlamydomonas hlamydomonas, Amoe#a, $aramecium! $aramecium, %pirogyra, hlamydomonas
PMR 2007
& !iagram 1 shows a type of tissue in the human #ody.
!iagram 1The tissue is
A nerve tissueB muscle tissue epithelial tissue! connective tissue
PMR 2006
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' The following statements a#out an animal cell.
• The smallest cell in human #ody• Can move by itself
Which of the following cells is descri#ed #y the statements?
A (vum cellB %perm cell )ed #lood cell! White #lood cell
$*) 2++
!iagram 2 shows the classification of organism.
!iagram 2
Which of the following are true a#out - and ?
- A /nicellular *ulticellular B *ulticellular /nicellular 0ave a cilia 0ave no cilia! 0ave no cilia 0ave a cilia
PMR 2008
Which cell #uilds up tissue?
PMR 2008
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1 igure 1 shows cells and 4. (PMR 2004)
ell 5 6666666666666.. ell 4 5 6666666666666
igure 1
7a8 Name ells and 4 in the spaces provided in igure 1. 72 mar9s8
7#8 : controls all cell activities. La!el " in igure 1. 71 mar98
7c8 Based on the structures ) or % in cell 4, om#lete Ta#le 1.
Name of st$%t%$e &%ntion of st$%t%$e
Ta#le 172 mar9s8
:5 ;;;;;;;;;;;;;;;;;;;;;;
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3 !iagram 3 shows four types of cells, @, , 4 and * which are found in living organisms.(PMR 2006)
L M
!iagram 3
7a8 (#serve the cells in !iagram 3.
Based on your o#servations, state one characteristic of each cells @, , 4 and *.
@ 5 6666666666666666666666666666666666666
5 6666666666666666666666666666666666666
4 5 6666666666666666666666666666666666666
* 5 6666666666666666666666666666666666666
7& mar9s8
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7#8 Classif* ells @, , 4 and * in diagram #elow into two groups #ased on their commoncharacteristics.
+$ite te lette$s of the cells #elonging to each group.
7& mar9s8
4etters of the cells
=roup 1
@, , 4, *
ommoncharacteristics
=roup 2
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& 7a8 i. !iagram 1 shows some eamples of the organiation of cells in the human #ody. Which of the following is an organ? (PMR 2007)
-i. 7 C 8 in the #o provided.
!iagram 171 mar98
ii. Ci$le the words in the #o #elow to show two other eamples of organs.
ovum muscle nose lungs
72 mar9s8
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Ans'e$s
Pa#e$ /
1. ! 2. A 3. ! &. ". B '. . A .
Pa#e$ 21. a. 5 Animal cell
45 $lant cell
#. ucleusc.
Name of st$%t%$e &%ntion of st$%t%$e
)5 cell wall
%5 chloroplast
=ives a cell a fied shape
ontains chlorophyll for photosynthesis
2. a. $5 cell wall :5 chloroplast )5 nucleus
#.%tructure unction
)egulates movement of thesu#stances in and out of the cell
$rotects and maintains the shape ofthe cell
ontrols all the activities of the cell
arries out photosynthesis
$
:
)
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3. a. @5 it has no cell wall 5 it has a cell wall 45 it has no cell wall *5 it has no cell wall
#. =roup 15 0as a cell wall D =roup 25 0as no cell wall D @, 4, *
& 7a8 i.
ii. nose and lungs
C
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