diagram 1(a) diagram 1(b)Diagram 1(a) dan 1(b) shows an experiment to study the effect of antibiotic on the growth of bacteria.
Rajah 1(a) dan Rajah 1(b) menunjukkan satu eksperimen mengkaji kesan antibiotik terhadap pertumbuhan bakteria.
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(a) State one inference based on Diagram 1(b) above.
Nyatakan satu inferens berdasarkan Rajah 1(b) di atas.
……………………………………………………………………………….......
…………………………………………………………………...........................
(1 mark)
(b) Measure diameter of bacterial colony between A and B at Diagram 1(b).
Ukur diameter koloni bakteria antara A dan B pada Rajah 1(b).
……………………………cm
(1 mark)
( c) State the variables in this experiment.
Nyatakan pembolehubah dalam eksperimen ini.
(i) Responding variable :
Pembolehubah bergerakbalas :
……………………………………………………………
(ii) Constant variable :
Pembolehubah dimalarkan :
…………………………………………………..
( 2 marks)
(d) Tick ( √ ) in the boxes for the types of diseases that can be treated with antibiotics.
Tandakan ( √ ) pada kotak untuk jenis penyakit yang boleh dirawat dengan antibiotik.
| Tuberculosis Batuk kering | Tinea Panau
| AIDS AIDS | Cholera Taun |
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( 1 mark)
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