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B 上冊2-1顯微鏡和細胞學說

Biology

7th Grade

Used 45+ times

B 上冊2-1顯微鏡和細胞學說
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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列實驗活動,何者最適合使用複式顯微鏡?

觀察水中的微小生物 
觀察豌豆豆莢內種子的數目 
觀察花瓣的外形 
 觀察雞蛋的蛋黃、蛋白、蛋殼等構造

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

貞淑拿了一張小紙片,上面寫上「pb」,赫俊放在複式顯微鏡下觀察,則他所看到的影像應該為何?

db
pb
  qd 
 dp

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

小潔使用右圖的顯微鏡作觀察,她發現顯微鏡鏡頭上,正中間有文字為「20X」,這個「20X」代表下列何種意義?

目鏡的放大倍率是 2 倍
物鏡的放大倍率是 2 倍 
物鏡×目鏡的放大倍率是 20 倍
放大倍率是目鏡的倍率加上 2 倍

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

用複式顯微鏡觀察細胞,放大倍率愈大,物鏡愈 

 短

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

用複式顯微鏡觀察細胞, 應先使用哪一種物鏡找到細胞

低倍物鏡
高倍物鏡
都一樣 

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

用複式顯微鏡觀察細胞,物鏡由低倍換成高倍時,視野亮度變

 暗

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

用複式顯微鏡觀察細胞,低倍換成高倍時,視野內的細胞數目變

 少

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