顯微鏡
Quiz
•
Biology
•
10th Grade
•
Practice Problem
•
Medium
Wai Kwan
Used 23+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列哪項是使用顯微鏡的正確步驟?
在高倍鏡下使用粗調節器聚焦
在高倍鏡下進行觀察要減弱光線
進行顯微觀察時要閉上一隻眼睛
調升至較高放大倍率前,把標本放置在視野範圍的中央
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
將洋葱鱗片的表皮製備為玻片作顯微觀察時,會在表皮加上碘液。碘液有什麼用途?
為細胞提供礦物質
防止細胞乾枯
防止細胞脹破
使某些細胞構造更明顯
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
某學生利用顯微鏡檢視葉片的表皮。若要在視野內觀察到更多的細胞,他應要
加強對玻片的照明
用碘液將表皮染色
使用較低倍數的接物鏡
縮短玻片和接物鏡之間的距離
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
若要製備一片玻片放在顯微鏡下觀察, 標本的切片盡可能要薄, 目的是:
更容易聚焦
容許蓋玻片平壓在玻片上
減少染色劑的用量
容許光線透過切片進入物鏡內
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
由低倍觀察轉換至高倍觀察時,應調節以下顯微鏡的哪部分,以獲取鮮明和清晰的影像?
只有1和4
只有2和3
只有1、3和4
只有2、3和4
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
某學生利用顯微鏡估算葉片的上表皮和下表皮的氣孔密度,以下哪個組合正確顯示應使用的放大倍數和其理由?
放大倍數:低倍數
理由:顯示較大視野
放大倍數:低倍數
理由:有較光的影像
放大倍數:高倍數
理由:顯示細胞內更多的細節
放大倍數:高倍數
理由:有較清晰的影像
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
一名學生利用普通光學顯微鏡在高倍數下觀察某光合原生生物的二分體分裂。他將原生生物的臨時製片放置在顯微鏡的載物台上。以下是使用光學顯微鏡的一些步驟
(1) 用10X接物鏡聚焦
(2) 用40X接物鏡聚焦
(3) 用10X接物鏡搜尋視野
(4) 用40X接物鏡搜尋視野
(5) 移動玻片直至原生生物位於視野的中央
(6) 如有需要,調節光強度
以下哪項是進行上述研究時最合理的步驟次序?
(1), (3), (5), (6)
(2), (6), (4), (5)
(1) , (2), (4), (5), (6)
(1), (3), (5), (2), (6)
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