
1103自然
Authored by 徐 嘉男
Science
7th Grade
Used 3+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
愛德華利用本氏液檢驗「無糖綠茶」、「黃金比例翠玉檸檬」、「半糖珍珠奶茶」、「微糖伯爵紅茶」四杯店內飲料,檢驗的結果如表,請問下列何者錯誤?
糖的濃度為甲>乙>丙>丁
乙試管內裝的是「無糖綠茶」
甲試管內的飲料糖分含量較高,盡量少喝
實驗過程中必須要隔水加熱
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
乳牛吃草後在體內產生牛奶,其生理作用過程為何?
僅有分解作用
僅有合成作用
先進行分解作用,再進行合成作用
先進行合成作用,再進行分解作用
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
科學家測試人體內某種酵素作用,結果如圖(一)、圖(二),請問在下列哪一項環境時,此酵素活性最高?
溫度50℃,鹼性pH值12
溫度0℃,酸性pH值1
溫度40℃,酸性pH值3
溫度37℃,中性pH值7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
長期在飲食中,缺乏下列哪一種礦物質可能會導致貧血?
鈣
磷
鈉
鐵
5.
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
礦物質、蛋白質、酵素
蛋白質、脂質、維生素
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
設計一個測定澱粉的實驗中,於載玻片下放置一張白紙的作用為何?
可吸收多餘的碘液
可加速反應
便於清楚的看出顏色變化
若不加白紙,則碘液無法與澱粉發生作用
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有甲、乙、丙、丁四支試管,分別置入不同的液體,然後各加入等量的本氏液,隔水加熱做糖分測定,結果甲呈橙色、乙呈黃色、丙呈紅色、丁呈淡藍色。將四支試管依含糖量「由多至少」排列為何?
甲乙丙丁
丁丙乙甲
丙甲乙丁
丁乙甲丙
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