劉小謙將自己的紅血球細胞放入不同濃度的食鹽水中,結果如附圖,則食鹽水濃度最高是哪一杯?

0715小考

Quiz
•
Science
•
7th Grade
•
Easy
曾 老師
Used 3+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
甲、膨脹破裂
乙、雙凹圓盤
丙、萎縮變小
丁、圓球狀
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
下列圖示何者可表現出擴散作用的原理?
甲、丁
乙、丙
甲、丙
乙、丁
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
眼睛滴入下列何種液體,較不會有不舒服的感覺?
游泳池水
白開水
生理食鹽水
濃食鹽水
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
若將人體的白血球及植物的保衛細胞分別置於兩杯蒸餾水中一段時間,關於哪一種細胞不會破裂及其原因,下列何者最合理?
人類血液的白血球,因具粒線體
人類血液的白血球,因具細胞膜
植物氣孔的保衛細胞,因具液胞
植物氣孔的保衛細胞,因具細胞壁
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
航行在海上的船隻水源不足,有些人直接飲用海水,可能會有什麼後果?
能充分解渴
使體內細胞的水分過多,細胞脹破而死
使體內細胞的水分滲透出來,細胞萎縮
使體內的礦物質增加,有益健康
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
製作泡菜的過程中,會先用鹽巴一層層塗抹於菜梗與菜葉上,作為殺菌用途,並醃製一個晚上。請問用鹽巴醃製一個晚上有殺菌的效果,為什麼?
細菌因細胞萎縮脫水而死
細菌因吸收太多鹽巴而鹹死
細菌因吸太多水膨脹而死
細菌因缺乏陽光而冷死
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
手電筒的聚光效果是用到哪一種鏡片的結果?
凹面鏡
凸面鏡
凹透鏡
凸透鏡
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