選修生物II-CH4段考複習
Quiz
•
Biology
•
11th Grade
•
Practice Problem
•
Hard
葉東茂 葉東茂
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40 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
植物幼苗生長會受到外界環境條件影響,請問當幼苗置放於黑暗中時,其可能的生理表現為何?
Answer explanation
解答 D
解析 (A)節間會變長 (B)會由Pfr轉換成Pr,所以Pr的比例較高 (C)莖呈現瘦弱
2.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
植物遇乾旱時,會分泌何種激素以調控氣孔開閉,減少水分蒸散?
Answer explanation
解答 D
解析 (D)逆境激素
3.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
有些種子於種植前會先浸泡水中2~3天,此步驟非但不會造成種子壞死,反而會促進種子的萌發,請問其中的原因可能為何?
Answer explanation
解答 C
解析 水分軟化種皮,是促進萌發的重要條件
4.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
植物的傾性運動,主要和細胞的什麼狀況有關?
5.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
把草莓的種子移除,將造成草莓果實發育不良,主要是因為缺乏何種激素造成?
Answer explanation
解答 A
解析 胚分泌生長素促進子房發育
6.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
下列有關植物體內光敏素的敘述,何者正確?
Answer explanation
解答 C
解析 (A)光敏素是一種光受體,吸收光刺激後可引起一系列生理作用,但所吸收能量不用於光合作用 (B)在黑暗中或光照下成長的植物體內都有光敏素,只是形式會不同 (D)Pfr形式光敏素可吸收紅外光而轉變成Pr形式
7.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
玉米的種子萌發後,不定根是由何處長出的?
Answer explanation
解答 C
解析 莖的基部
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