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SMK SERI AMPANGBIOLOGY
Paper 3
Time :
Class : Marks :
This question paper consists of two questions: Question 1
andQuestion 2. Answer allquestions
Kertas soalan ini mengandungi dua soalan: Soalan 1dan Soalan
2.Jawab semuasoalan
1. A roup of students carried out an e!periment to stud" the
effect of concentration of a solution on plant cells.
The diaram #elow shows the apparatus set up in the
e!periment.
Sekumpulan pelajar telah menjalankan satu eksperimen untuk
mengkaji kesan kepekatan suatu larutan
terhadap sel tumbuhan. Rajah di bawah menunjukkan susunan radas
dalam eksperimen itu.
ia!ram"Rajah
The ta#le #elow shows the lenth of the potato strips after #ein
immersed in sucrose solutions of
concentration $.1 M% $.& M% $.' M% $.( M% $.) M and $.* M
for ($ minutes.
Jadual di bawah menunjukkan panjang jalur ubi kentang setelah
direndam di dalam larutan sukrosa
berkepekatan$.1 M% $.& M% $.' M% $.( M% $.) M dan$.*
M%selama($ minit.
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#a$le A"Jadual A
+a, +i, -ased on the ta#le% state t%oo#serations on the
relationship #etween the concentration of thesucrose solution and
the te!ture of the potato strips.
Berdasarkan jadual tersebut, nyatakan &uapemerhatian
mengenai hubungan antara kepekatan
larutan sukrosa dan tekstur jalur ubi kentang itu.
/#seration 10Pemerhatian 1:
/#seration &0Pemerhatian&:
&
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2' marks0' markah3
+ii, 4tate the inference which corresponds to the o#seration in
+a,+i,.
Nyatakan inerens yang berkaitan dengan pemerhatian di+a,+i,.
5nference from o#seration 10!nerens daripada pemerhatian 1:
5nference from o#seration &"!nerens daripada pemerhatian
&:
2' marks0'markah3
+#, 6sin the information proided in the ta#le A% complete the
ta#le #elow.
#engan menggunakan maklumat yang disediakan dalam Jadual A,
lengkapkan jadual di bawah.
#a$le/Jadual
2' marks0' markah3
+c, +i, Complete the ta#le #elow #ased on the
e!periment.$engkapkan jadual di bawah berdasarkan eksperimen
itu.
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#a$le/Jadual
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+ii, 4tate the apparatus and the materials used in the
e!periment.
Nyatakan radas dan bahan yang digunakan dalam eksperimen
itu.
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2' marks0' markah3
+d, 4tate a h"pothesis for this e!periment.Nyatakan hipotesis
bagi eksperimen ini.
2' marks0' markah3
(
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+e, +i, -ased on Ta#le A% construct a ta#le to record the
results of the e!periment which includes the
followin aspects:
Berdasarkan Jadual &,bina satu jadual untuk men'atatkan
keputusan eksperimen yang meliputi
aspek(aspek berikut:
7 Concentration of the sucrose solution
Kepekatan larutan sukrosa
7 Difference in lenth
Perbe)aan panjang
7 8ercentae difference in lenth
Peratus perbe)aan panjang
2' marks0'markah3
+ii, 8lot a raph of percentae difference in lenth aainst
concentration of sucrose solution.
Plotkan satu gra peratus perbe)aan panjang melawan kepekatan
larutan sukrosa.
2' marks0' markah3
+iii,-ased on the raph in +e,+ii,% state the concentration of
the cell sap of the potato strips.
)
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Berdasarkan gra di +e,+ii,%nyatakan kepekatan sap sel jalur ubi
kentang.
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2' marks0' markah3
+f, -ased on this e!periment% what can "ou deduce a#out the
solution which is isotonic to the cell sap of the
cells of a potato strip9
Berdasarkan eksperimen ini, apakah yang dapat anda rumuskan
tentang larutan isotonik bagi jalur ubi
kentang*
2' marks0' markah3
+, The e!periment is repeated #" usin sweet potato strips
instead of potato strips. 8redict what the result of
the second e!periment will #e.
+ksperimen ini diulangi dengan menggunakan jalur ubi keledek
bagi menggantikan jalur ubi kentang.
Ramalkan keputusan eksperimen kedua ini.
2' marks0' markah3
&. A housewife used an unripe papa"a to prepare pickled
papa"a. 4he sliced the papa"a and immersed the slices
in water and then in &$ sucrose solution.
Seorang suri rumah menggunakan sebiji betik muda untuk
menyediakan jeruk betik. #ia menghiris betik itudan merendam
hirisan itu di dalam air dan kemudian di dalam larutan
sukrosa&$.
The housewife o#sered that when the slices of papa"a were in
water% the" were turid and #ecame #ier in
si;e. oweer% when the slices of papa"a were in the sucrose
solution% the" #ecame flaccid and shrunken.
Suri rumah ini mendapati hirisan betik di dalam air menjadi
segah dan sai)nya lebih besar. alau
bagaimanapun, apabila hirisan betik dimasukkan ke dalam larutan
sukrosa, ia menjadi lasid dan menge'ut.
-ased on the o#serations of the housewife% plan a la#orator"
e!periment to determine the concentration
of a sucrose solution which is isotonic to the cell sap of the
cells of the papa"a.
Berdasarkan pemerhatian suri rumah ini, ran'angkan satu
eksperimen makmal untuk menentukan kepekatan
larutan sukrosa yang isotonik terhadap sap sel betik.
*
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The plannin of "our e!periment must include the followin
aspects:
Peran'angan eksperimen anda perlu meliputi aspek(aspek
berikut:
8ro#lem statement
Pernyataan masalah
Aim of the e!periment
-ujuan eksperimen
"pothesis
ipotesis
=aria#les
Pemboleh ubah
ist of apparatus and materials
Senarai radas dan bahan
8rocedure of the e!periment
Prosedur eksperimen
8resentation of data
Persembahan data
Conclusion
Kesimpulan
21? marks01? markah3
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