
生物進化與基因問題
Quiz
•
Biology
•
12th Grade
•
Medium
WAI LI
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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
指示:參考以下四個核苷酸序列,解答19和20兩題。該四個核苷酸序列來自P、Q、R和S四個不同生物物種的某個具功能的基因的片段。
AACGTCGAAA (生物P)
AACCTCGAAA (生物Q)
AGGCTAGAAA (生物R)
AGGCTAGTAA (生物S)
以上所示序列的差別最可能是由什麼引起的?
互換
基因突變
隨機受精
染色體突變
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
指示:參考以下四個核苷酸序列,解答題目。該四個核苷酸序列來自P、Q、R和S四個不同生物物種的某個具功能的基因的片段。
AACGTCGAAA (生物P)
AACCTCGAAA (生物Q)
AGGCTAGAAA (生物R)
AGGCTAGTAA (生物S)
根據以上資料,以下哪幅圖最能代表生物P、Q、R和S的進化樹?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪種現象與進化的過程無關?
有些變異是不可遺傳的。
生物為求生存而競爭資源。
環境的變化對生物構成壓力。
變異見於同一物種的不同個體中。
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
參考下圖,回答題目。
數百萬年前地震形成一座高山,把土地分成區域I及II。新樹木物種Q在區域II形成:
在形成新物種Q時,有可能涉及以下哪些過程?
突變
分隔
自然選擇
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
參考下圖,回答題目。
數百萬年前地震形成一座高山,把土地分成區域I及II。新樹木物種Q在區域II形成:
以下哪項對於上述事件的描述最可能是正確的?
Q較P具更佳的適應力。
P在區域I及II均能生長良好。
區域I及II有相似的環境條件。
在分類系統中,P和Q是屬於同一科。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪個進化樹最能說明這五個物種的親緣關係?
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
澳洲擁有一些植物及動物物種,是世界其他地方没有的。以下哪項可能是令到澳洲出現這些獨有的植物及動物物種的主因?
分隔
突變
競爭
環境壓力
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