Worksheetsspeed up harapan
Total questions: 9
Worksheet time: 5mins
Which of the following protein structures represent an enzyme? Antara struktur protein berikut, yang manakah mewakili enzim?
A
B
C
D
Diagram is a graph which shows the rate of heartbeat of a boy at rest and during running. Rajah di bawah ialah graf yang menunjukkan kadar denyutan jantung seorang budak lelaki semasa rehat dan semasa berlari
Which part of the graph labelled A, B, C or D shows the rate of heartbeat after he stop running?
Antara bahagian pada graf berlabel A, B, C atau D, yang manakah menunjukkan kadar denyutan jantung selepas budak lelaki itu berhenti berlari?
A
B
C
D
Diagram shows the concentrations of antibody in the blood of individual P after two injections.
Rajah menunjukkan kepekatan antibodi dalam darah individu P selepas dua suntikan
The type of immunity achieved by individual P is artificial passive immunity
Jenis keimunan individu P ilah keimunan pasif buatan
Individual P is injected with antiserum
Individu P disuntik dengan antiserum
After first injection, the concentration of antibody in the blood increase
Selepas suntikan pertama, kepekatan antibodi di dalam darah meningkat
After two injection, the concentration of antibody in the blood increase above immunity level
Selepas suntikan kedua, kepekatan antibodi di dalam darah meningkat melepasi aras keimunan
Diagram shows how does water move in the xylem.
Rajah menunjukkan xilem dengan pergerakan air di dalamnya.
The X and Y force are two type of force producing action in xylem What is X and Y?
Daya X dan daya Y ialah dua jenis daya yang menghasilkan tindakan xilem. Apakah X dan Y?
x: lekatan
y: lekitan
x: lekitan
y: lekatan
x: tekanan akar
y: tekanan transpirasi
x: tekanan transpirasi
y: tekanan akar
Diagram shows a type of genetic factor which contributes to variation.
Rajah menunjukkan sejenis faktor genetik yang menyumbang kepada variasi.
What is the source of variation shown in the diagram?
Apakah punca variasi yang ditunjukkan dalam rajah?
Random fertilisation / Persenyawaan secara rawak
Gene mutation / Mutasi gen
Crossing over / Pindah silang
Independent assortment / Penyusunan bebas kromosom
Diagram shows a karyotype of an individual with a genetic disorder.
Rajah menunjukkan kariotip seorang individu yang mempunyai penyakit genetik.
What is the phenotype of this individual?
Apakah fenotip bagi individu ini?
.Down Syndrome / Sindrom Down
Turner Syndrome / Sindrom Turner
Jacob Syndrome / Sindrom Jacob
. Klinefelter Syndrome / Sindrom Klinefelter
Which of the following structures is appropriate to transport gene into a bacterial cell?
Antara berikut, struktur manakah yang sesuai untuk mengangkut gen sasaran ke dalam sel bakteria?
A. Chromosome / Kromosom
B. Plasmid
C. Ribosome / Ribosom
D. Nucleus / Nukleus
Which of the following features are adaptations of an aquatic plants to float or stay upright in the water?
Antara yang berikut, ciri yang manakah merupakan penyesuaian pada tumbuhan akuatik yang membantunya terapung atau tegak di dalam air?
I Turgid cell / Sel segah
II Air spaces / Ruang udara
III Woody stem / Batang berkayu
iv Thin and small leaves / Daun yang nipis dan kecil
A I and II
B I and IV
C II and III
D II and IV
What is the effect to the cell if there is no smooth endoplasmic reticulum?
Apakah kesan ke atas sel sekiranya tidak terdapat reticulum endoplasma licin?
No production of energy / Tiada penghasilan tenaga
No synthesis of lipids / Tiada sintesis lipid
No synthesis of proteins / Tiada sintesis protein
No modification of protein / Tiada pengubahsuaian protein
