Ting 4 Biologi Bab 3

Which part allows glycerol to pass across the plasma membrane?

Bahagian yang membenarkan gliserol merentasi membran plasma?

• Phospholipid bilayer / Dwilapisan fosfolipid

• Pore protein / Protein liang

• Carrier protein / Protein pembawa

• Cholesterol / Kolesterol

Which substances can pass through the pore protein in plasma membrane?

Bahan apakah yang dapat merentasi protein liang dalam membran plasma?

• Fatty acids / Asid lemak

• Sodium ions / Ion natrium

• Vitamin A

• Glycoproteins / Glikoprotein

In which solution does the contraction rate of a Paramecium sp. contractile vacuole the fastest if it is put into solutions with different concentration?

Dalam larutan manakah, vakuol mengecut Paramecium sp. mengecut dengan paling pantas sekiranya diletakkan dalam larutan dengan kepekatan berbeza?

• Pond water / Air kolam

• Distilled water / Air suling

• 1.0% salt solution / Larutan garan 1.0%

• 0.4% salt solution / Larutan garam 0.4%

Which process enables the movement of water molecules from the soil into the root hairs of a plant?

Proses manakah membolehkan pergerakan molekul air dari tanah ke dalam akar rambut tumbuhan?

• Osmosis

• Facilitated diffusion / Resapan berbantu

• Simple diffusion / Resapan ringkas

• Active transport / Pengangkutan aktif

What is the best way to refresh the wilted vegetables?

Apakah kaedah terbaik untuk menjadikan sayur-sayuran yang layu segar semula?

• Immerse the vegetables in tap water

  Rendam sayuran di dalam air paip

• Immerse the vegetables in salt water

  Rendam sayuran di dalam air masin

• Keep the vegetables in a transparent plastic bag

  Simpan sayuran di dalam beg plastic lutsinar

• Keep the vegetables in the refrigerator

  Simpan sayuran di dalam peti sejuk

Diagram shows the shape of a stalk of mustard green when put in certain type of solution.

Rajah menunjukkan bentuk batang sawi yang diletakkan dalam jenis larutan tertentu.

Which of the following is the correct type of solution?

Antara berikut yang manakah merupakan jenis larutan yang betul?

• Hypertonic / Hipertonik

• Isotonic / Isotonik

• Hypotonic / hipotonik

• Supertonic / Supertonik

Which of the following processes is affected by the presence of a metabolic poison?

Antara proses yang berikut, yang manakah akan dipengaruhi oleh racun metabolik?

• Absorption of water by root hair

  Penyerapan air oleh rerambut akar

• Uptake of iodine by algae living in the sea

  Pengambilan iodin oleh alga dalam laut

• Absorption of digested food in the small intestine

  Penyerapan makanan tercerna dalam usus kecil

• The movement of amino acids across the plasma membrane

  Pergerakan asid amino menembusi membrane plasma

Diagram shows the structure of a plasma membrane.

Rajah menunjukkan struktur membran plasma.

What is S?

Apakah S?

• Pore protein / Protein liang

• Hydrophilic head / Kepala hidrofilik

• Carrier protein / Protein pembawa

• Hydrophobic tail / Ekor hidrofobik

What is the process involved in the gaseous exchange in Paramecium sp.?

Apakah proses yang terlibat dalam pertukaran gas dalam Paramecium sp.?

• Osmosis

• Diffusion / Resapan

• Active transport / Pengangkutan aktif

• Facilitated diffusion / Resapan berbantu

When a drop of blood is added to 0.85% sodium chloride, the red blood cells maintain their normal size. What will happen to the red blood cells if they are transferred to a distilled water?

Apabila setitis darah dimasukkan ke dalam larutan natrium klorida 0.85%, sel darah merah mengekalkan saiz normalnya. Apakah yang berlaku kepada sel darah merah jika ia dipindahkan ke dalam air suling?

• Plasmolysis / Plasmolisis

• Haemolysis / Hemolisis

• Crenation / Krenasi

• Turgid / Segah