DSE2021(I)(B)(10)

DSE2021(I)(B)(10)

2nd Grade

3 Qs

quiz-placeholder

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DSE2021(I)(B)(10)

DSE2021(I)(B)(10)

Assessment

Quiz

Biology

2nd Grade

Easy

Created by

Leung Kin梁志堅老師

Used 2+ times

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3 questions

Show all answers

1.

DROPDOWN QUESTION

5 mins • 1 pt

Media Image

10(a)(i) tips:本題不能只答「改變pH值」,因要回應假說 1 ,假說涉及食物,即涉及消化器官。

答案:步驟 1 的鹽酸可​ (a)   ​ (b)   環境。

步驟 4 模擬​ (c)   環境。

為​ (d)   提供​ (e)   的環境以分解食物。

模擬
胃部酸性
小腸的鹼性
消化酶
合適的pH值

2.

DROPDOWN QUESTION

5 mins • 1 pt

Media Image

10(a)(ii) TIPS:(85度是非常高溫)

答案:為了使​ (a)   ,失去​ (b)  

10(a)(ii) tips:(如果有消化,RNA會分解成核苷酸;如果RNA沒消化但有被吸收,RNA數目會減少)

答案:RNA​ (c)   為核苷酸;RNA​ (d)   ,不能被​ (e)  

酶變性
效用
沒有被消化
體積太大
小腸絨毛吸收

3.

DROPDOWN QUESTION

5 mins • 1 pt

Media Image

10(b) TIPS:(假說是科學家對所思考的問題時,認為正確的答案。所以,本題問科學家想過什麼問題,只要把假說的肯定句變成問題句便可。)

答案:短​ (a)   的​ (b)   ​ (c)   會​ (d)   嬰兒的​ (e)   ?

RNA
存在
是否
影響
基因的表達

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