
KERTAS 3 VIP BIO 20 JULY 2025
Presentation
•
Biology
•
9th - 12th Grade
•
Practice Problem
•
Hard
Hassan Talip
Used 1+ times
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14 Slides • 5 Questions
1
KERTAS 3
BIOLOGY
By PRINCIPAL YANA (20 JULY 2025)
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SILA ISIKAN KEHADIRAN ANDA DALAM LINK DALAM SLIDE SETERUSNYA.
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DIMANIPULASI (manipulated)
saiz molekul (size of molecules)
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dimalarkan
(fixed)
isipadu air suling/masa rendaman (volume of distilled water/soaking period)
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Perhati & rekodkan Jadual 2
Pelajar diminta untuk menjawab soalan pada paparan seterusnya dengan menekan jawapan pilihan pelajar.Soalan adalah pemerhatian warna asal dan warna akhir untuk tiub visking & bikar pada mukasurat 20.
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Pemerhatian bagi tiub visking:
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Multiple Choice
Warna asal tiub visking (initial colour of visking tube):
tidak bewarna (colourless)
kuning
(yellow)
Biru tua
(blue-black)
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Multiple Choice
Warna akhir tiub visking (final colour of visking tube):Warna asal bikar (initial colour of beaker):
tidak bewarna
(colourless)
Kuning
(yellow)
Biru tua
(blue-black)
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Pemerhatian bagi BIKAR:
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Multiple Choice
Warna asal bikar (initial colour of beaker):
Biru tua
(blue-black)
Kuning
(yellow)
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Multiple Choice
Warna akhir bikar (ifinal colour of beaker):
Biru tua
(blue-black)
Kuning
(yellow)
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HIPOTESIS
Molekul bersaiz kecil dapat merentasi membran separa telap manakala molekul bersaiz besar tidak dapat merentasi membran separa telap (small molecules may move across the semi permeable membrane while large molecule unable to across semi-permeable membrane)
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INFERENS
Kandungan tiub visking bertukar menjadi biru tua kerana molekul iodin yang kecil meresap dari bikar ke dalam tiub visking.Kandungan bikar kekal kuning kerana molekul kanji yang besar tidak dapat meresap dari tiub Visking ke dalam bikar.
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INFERENCE
the contents of visking tube turn blue-black because small iodine molecules can diffuse from the beaker into the visking tube. The contents of the beaker remain yellow because large starch molecules cannot diffuse from the visking tube into the beaker.
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Multiple Choice
(d) Apakah bahan yang telah merentasi tiub visking? (which substance can diffuse through the visking tube?)
Molekul Kanji
(Starch Molecule)
Molekul Iodin
(Iodine Molecule)
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Terangkan proses pergerakan bahan yang berlaku di dalam sistem pencernaan manusia:
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molekul makanan yang besar dihidrolisis oleh enzim menjadi molekul yang lebih ringkas
molekul ringkas mempunyai saiz yang lebih kecil & dapat diserap dengan mudah melalui membran separa telap pada sel epitelium yang melapisi permukaan dinding usus
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large molecules are hydrolyzed by enzymes into simpler molecules
the simpler molecules are smaller in size which can be absorbed easily through semi-permeable membrane of the epithelial cells lining on the surface of intestine wall
KERTAS 3
BIOLOGY
By PRINCIPAL YANA (20 JULY 2025)
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