習作L1練習題

Quiz
•
Biology
•
7th Grade
•
Medium
Wei-Shin Huang
Used 9+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關同源染色體之敘述,何者正確?
同源染色體均屬單套染色體
配子中的染色體為同源染色體
體細胞中的染色體不會有同源染色體
同源染色體為成對且形狀相似的染色體
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
人類的神經細胞有46條染色體,精子的細胞核裡有多少條染色體?
46條成對之染色體
46條不成對之染色體
23條成對之染色體
23條不成對之染色體
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列關於無性生殖的敘述,何者正確?
經由減數分裂產生新個體
可以產生多樣化的後代
後代可以保存親代完整的優良特性
子代染色體數目是親代的一半
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列那一項是有性生殖和無性生殖的共同性?
均可產生後代
均行體內受精
均會產生配子
均能產生性狀表現有差異的子代
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
母雞皮膚細胞的細胞核中,含有a條染色體,若雞蛋未經過受精,則小白點應含有幾條染色體?
2a
a
a/2
a/4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列各部位名稱何者正確?
甲為雌蕊
乙為雄蕊
丙為子房
丁為種子
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
花行有性生殖產生種子的步驟,下列何者錯誤?
花粉由甲掉落到乙上
花粉在甲上長出花粉管
精細胞與卵細胞結合,丁形成種子
丙發育成果實
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