biology f5
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BAHAGIAN B
1. Diagram shows a body defense mechanism. Rajah menunjukkan satu mekanisme pertahanan badan.
Based on diagram above, explain the body’s response towards the entry of bacteriainto the body.Berdasarkan rajah di atas, terangkan gerak balas badan terhadap kemasukan bacteriake dalam badan.
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[4 marks/4 markah]
2. Diagram shows the blood circulatory system in organism S and organism T. Rajah menunjukkan sistem peredaran darah dalam organism S dan organism T.
Based on diagram:Berdasarkan rajah:
i) Give one example of organism S and organism TBeri satu contoh organism S dan organism T.
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[2 marks/2 markah]
ii) Describe the similarities and differences between the blood circulatory system in
organism S and organism T.Huraikan persamaan dan perbezaan antara sistem peredaran darah dalamorganisma S dan organisma T.
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[6 marks/6 markah]
3. Diagram shows the part of stem of a tree where the ring of back has been removed. The tree
is watered every day.
Rajah menunjukkan bahagian batang satu pokok yang gelang kulitnya telah dibuang. Poko
tersebut disiram dengan air setiap hari.
Based on diagram, explain what happens to the tree after one month.
Berdasarkan rajah, terangkan apa yang berlaku kepada pokok tersebut selepas satu bulan.
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[4 marks/4 markah]
4. Diagram shows part the circulatory system and the lymphatic system in the human body.
Rajah menunjukkan sebahagian daripada sistem peredaran darah dan sistem limfa yang
terdapat dalam badan
a) What is fluid X?
Apakah bendalir X?
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[1 marks/1 markah]
b) What happen to the components of fluid X when it passes through the lymph node?
Apakah yang berlaku kepada komponen dalam bendalir X semasa melalui nodus limfa?
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[1 marks/1 markah]
c) i) Fluid X originates from the blood. Describe how fluid X is formed from the blood.
Bendalir X berasal daripada darah. Huraikan bagaimana bendalir X terbentuk daripada
darah.
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[2 marks/2 markah]
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ii) State one difference between fluid X and the blood.
Nyatakan satu perbezaan antara bendalir X dengan darah.
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[1 marks/1 markah]
d) A part of vessel Q is blocked. Explain its effect on the system in diagram above.
Satu bahagian pada salur Q didapati tersumbat. Terangkan kesannya ke atas sistem dalam
rajah di atas.
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[2 marks/2 markah]
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