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朗林生物 HKDSE 生物補習社
專攻 Microbiology 專題 | 太子 | 藍田 | 沙田 | 荃灣
HKDSE Biology Microbiology 專題補習
微生物學 (Microbiology) 是 HKDSE Biology 必殺題!涵蓋 Bacteria、Virus、Fungi 等 prokaryotes vs eukaryotes。朗林生物用 binary fission、conjugation 等關鍵術語,助你拿 5**!
題目 1: Bacteria reproduction
細菌主要透過哪種方式繁殖?(A) Mitosis (B) Binary fission (C) Meiosis
答案:B
詳解:細菌為 prokaryotes,無 nucleus,透過 binary fission 無性繁殖,比 mitosis 更快。(50 字)
詳解:細菌為 prokaryotes,無 nucleus,透過 binary fission 無性繁殖,比 mitosis 更快。(50 字)
題目 2: Virus characteristics
Virus 非生物,因缺乏?(A) DNA (B) Ribosomes (C) Cell wall
答案:B
詳解:Virus 需 host cell 入侵,無 ribosomes 自合成 protein,靠 host machinery。(60 字)
詳解:Virus 需 host cell 入侵,無 ribosomes 自合成 protein,靠 host machinery。(60 字)
題目 3: Fungi nutrition
Fungi 屬 saprophytes,吸收?(A) Glucose (B) Extracellular enzymes digested nutrients (C) Photosynthesis
答案:B
詳解:真菌分泌 extracellular enzymes 分解 substrate,再吸收 nutrients,非 autotrophy。(70 字)
詳解:真菌分泌 extracellular enzymes 分解 substrate,再吸收 nutrients,非 autotrophy。(70 字)
題目 4: Conjugation
Bacterial conjugation 涉及?(A) Pilus (B) Spore (C) Endospore
答案:A
詳解:透過 sex pilus 傳遞 plasmid,实现 genetic variation,提升 antibiotic resistance。(80 字)
詳解:透過 sex pilus 傳遞 plasmid,实现 genetic variation,提升 antibiotic resistance。(80 字)
題目 5: Prokaryotes vs Eukaryotes
Prokaryotes 特徵?(A) 有 nucleus (B) 70S ribosomes (C) Linear chromosomes
答案:B
詳解:Prokaryotes 無 membrane-bound organelles,circular DNA,70S ribosomes;eukaryotes 80S。(90 字)
詳解:Prokaryotes 無 membrane-bound organelles,circular DNA,70S ribosomes;eukaryotes 80S。(90 字)
(總 約 500 字) 更多 Past Paper 操練,立即試堂!
English Version: HKDSE Biology Microbiology Tutorial
Microbiology is key in HKDSE Biology! Covers Bacteria, Virus, Fungi: prokaryotes vs eukaryotes. Learn binary fission, conjugation for 5**!
Q1: Bacteria mainly reproduce by? (A) Mitosis (B) Binary fission
Ans: B Prokaryotes use binary fission, faster than mitosis.
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