
七年級第一學期第二次段考(3-1~4-3)
Authored by JOESPH HSU
Biology
7th Grade
Used 13+ times

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27 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪些不能提供能量,但對生物維持正常生命機能卻很重要?
醣類、維生素
維生素、礦物質
蛋白質、酵素
蛋白質、脂質
Answer explanation
維生素、礦物質及水不能提供能量
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列有關飲食與養分攝取的觀念,何者錯誤?
可多食用蔬果以攝取維生素
喝碳酸飲料取代白開水以補充身體所需水分
蛋、肉類、乳品和豆類中含較多蛋白質
礦物質可構成細胞組織並調節生理機能
Answer explanation
白開水以補充身體所需水分無可取代
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
人體內有許多不同的酵素,有關酵素的敘述,下列何者錯誤?
酵素主要成分是蛋白質
酵素和受質間的結合具有專一性
與30℃的環境相比,酵素在90℃的環境中活性較大
不同的酵素適合作用的酸鹼度也不同
Answer explanation
影響酵素活性因素是溫度與酸鹼性都必需在適當的條件才能有最好的活性;30℃與90℃都不是理想的條件。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下圖為酵素參與某物質合成反應的示意圖,請問酵素是其中哪一種分子?
甲
乙
丙
丁
Answer explanation
甲、乙為受質,丙為酵素具有重複使用性
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關植物葉部構造的敘述,下列何者錯誤?
表皮細胞具有保護葉片的功能
葉綠體是行光合作用的主要場所
保衛細胞主要的功能是保護葉片
葉脈負責輸送養分與水分
Answer explanation
半月狀的兩片保衛細胞主要的功能是形成氣孔以利氣體的進出
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於光合作用的敘述,下列何者錯誤?
產生的葡萄糖可轉換為澱粉儲存在植物體內
二氧化碳由氣孔進入植物體內
光合作用會產生水
整個光合作用的過程中不需要吸收能量
Answer explanation
光合作用的過程中需要吸收陽光故需能量
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
本氏液可用來測定何種養分?
米飯中的澱粉
炸薯條的油
蘋果的葡萄糖
肌肉中的蛋白質
Answer explanation
本氏液用來測定葡萄糖需隔水加熱含糖量愈高顏色愈紅
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