
DSE2021(I)(B)(8)
Authored by Leung Kin梁志堅老師
Biology
2nd Grade
Used 1+ times

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5 questions
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1.
DROPDOWN QUESTION
5 mins • 1 pt
(題ar只集中於比較平均面積)
答案:相對於較高位置的葉片來說, (a) 的葉片
(b) 。
較大 (c) 能 (d) 吸收 (e) 。
2.
DROPDOWN QUESTION
5 mins • 1 pt
(b)(i):本部分王用理會厚度。
答案:(i)(相對於 (a) 來說),較高位置葉片的 (b) 平均厚度 (c) 。
(ii)較高位置葉片的 (d) 細胞形狀可能 (e) (或)
較高位置葉片的柵狀葉肉細胞層數較多。
3.
DROPDOWN QUESTION
5 mins • 1 pt
本題是8(b)(iii)
答案:把 (a) 的葉片 (b) 後制成 (c) ,
放在 (d) 下量度其柵狀葉肉的 (e) (或)
放在顯微鏡下數算其柵狀葉肉的層數。
4.
DROPDOWN QUESTION
5 mins • 1 pt
8(c)(i)
答案:
(a) 高於 (b) 時,
便會導致 (c) 吸收為 (d)
5.
DROPDOWN QUESTION
5 mins • 1 pt
8(c)(ii)答案已繪於左圖。
繪線要求:首先,負值起點要 (a) ;
因來自較低位置的 (b) ,呼吸作用釋出較少的二氧化碳。其次,補債點要較早出現。
因來自較低位置的柵狀葉肉細胞較短,呼吸作用釋出較少的 (c) ,較容易達到補償點。
最後,較快出現 (d) 的最高值。
因來自較低位置的柵狀葉肉細胞較短,葉綠體 (e) ,光合作用很快已達至最盡的工作效能。
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