
南一國中自然1下_ch1-3
Authored by 南一 自然
Science
7th Grade
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪種生物的繁殖過程,需要經過交配行為才能完成?
綿羊
櫻花鉤吻鮭
蟾蜍
彈塗魚
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列有關動物與其生殖方式的敘述,何者錯誤?
白頭翁是體內受精的卵生動物
小丑魚是體外受精的卵生動物
蟑螂是體外受精的卵生動物
猴子是體內受精的胎生動物
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
臍帶是胎兒的命脈,連接在胎盤上,可以供給胎兒養分與氧氣,並替胎兒排除廢物,故臍帶在胎生生物的生殖上扮演非常重要的角色。請問下列哪種生物不具有臍帶?
鯨魚
臺灣黑熊
蝙蝠
海龜
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有些開花植物,花的形體很小,花粉粒輕又多,請問此類型植物是藉由哪一種方式來傳播花粉?
水力
風力
鳥類
昆蟲
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
環境變化時,有性生殖較無性生殖占優勢,主要原因為何?
能保存親代優良特徵
能產生較多不同遺傳性狀的子代
能快速產生子代
能產生大量子代
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列關於開花植物有性生殖的敘述,何者正確?
雄蕊產生的精子會游進雌蕊中與卵結合
雌蕊頂端的柱頭可產生大量花粉
用種子繁殖的植物其子代不會與親代完全相同
開花植物的子房位於胚珠中
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一個豌豆豆莢有七個種子,代表這株豌豆在開花時,這朵花:
柱頭上共落下七個花粉,萌發出七個花粉管
有一個子房、至少七個胚珠
共有七個子房、七個胚珠
擁有一個胚珠、七個卵
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