
南一國中自然7上ch1-4
Authored by 南一 自然
Science
7th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於擴散作用,下列敘述何者正確?
是物質進出細胞的唯一方法
當教室內充滿汗臭味時,走廊的花香也就無法擴散進來
是一種自然現象,分子從密集區往稀疏區移動,最後均勻分布
以上皆正確
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小筠在一杯白開水中滴入幾滴紅墨水,如果沒有攪拌,經過一段時間後,這杯白開水會變成什麼樣子?
紅墨水聚集成球狀分布在中間
紅墨水全部在最下層
紅墨水均勻分布整杯水
紅墨水全部在最上層
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於擴散作用,下列敘述何者有誤?
可以自然發生,無須外力協助
擴散作用最後會導致該物質均勻分布在整個空間
只有水會發生擴散作用
有些物質擴散進出細胞要經過蛋白質協助
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於「生理食鹽水」,以下敘述何者不正確?
是指「水分子的濃度與細胞質相近」的食鹽水溶液
細胞在此種溶液中不容易萎縮或膨脹變形
用以清洗傷口比較不會疼痛
觀察水中小生物時若以生理食鹽水取代池水,效果會更佳
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小明將海邊撿到的貝類養在池塘中,結果全部死亡,其原因何在?
細胞脹破死亡
細胞萎縮死亡
細胞缺氧死亡
細胞因泥沙進入而死亡
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將白蘿蔔切成邊長1公分的小塊,經過下列四種方式處理後,靜置1小時,則哪一種方式所處理的白蘿蔔將會產生較嚴重的脫水萎縮現象?
加食鹽水浸泡
浸泡於清水中
放在培養皿中
用保鮮膜包裹
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
對於擴散作用的敘述,下列何者錯誤?
自然發生的現象
需要額外能量
不必藉外界力量即可發生
如有外力介入,可加速作用進行
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