國九自然科學複習8
Quiz
•
Biology
•
9th Grade
•
Practice Problem
•
Hard
葉東茂 葉東茂
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30 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
如何證實市售飲料中存在葡萄糖?
Answer explanation
答案:(C)
解析:碘液可測試澱粉是否存在;本氏液遇葡萄糖時,會出現綠、黃、橙或紅等顏色
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
摘一片生於曠野的彩葉草葉子,把葉子上綠色部分和非綠色部分分別作記號,經實驗結果發現只有綠色部分有澱粉的存在,這是證明光合作用與哪一因素有關?
Answer explanation
答案:(A)
解析:綠色部分含有葉綠體(素)--對照組 非綠色部分不含葉綠體(素)--實驗組
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
關於植物體內的物質運輸,何者正確?
Answer explanation
答案:(C)
解析:(A)養分運送,方向可往上或往下運送 (B)養分藉由韌皮部運送 (D)水是藉由木質部運送,方向只能由下往上運送
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
神經系統間的傳導,可經由經常性的使用,而更加靈敏。那麼,習慣用右手的人,負責傳導訊息到哪一邊的大腦半球之神經會較發達呢?
Answer explanation
答案:(B)
解析:大腦左半球控制右半身
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
人類的神經細胞中,正常情況下含有多少染色體?
Answer explanation
答案:(B)
解析:體細胞(如神經細胞)有46條=23對染色體(2N)
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
比較「體內受精」和「體外受精」的生殖方式,會發現「體外受精」的生物所釋出的卵會比「體內受精」的生物來的多。請問下列何者可能是造成此現象的原因?
Answer explanation
答案:(A)
解析:體外受精生物的受精卵發育與育幼行為較差,藉由增加排放精子和卵的數目,來增加受精卵形成的個數,較有助通過演化的考驗
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
根據孟德爾的遺傳法則,當成對的兩個遺傳因子是不同形式時,下列敘述何者正確?
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