
向性 1
Authored by Wai Kwan
Biology
11th Grade
Used 16+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
以下哪項正確描述向光性對植物的重要性?
(1) 它確保根能從土壤得到水分。
(2) 它確保根能固定在土壤中以作支持。
(3) 它令枝條到達有陽光的位置。
只有(1)和(2)
只有(1)和(3)
只有(2)和(3)
(1)、(2)和(3)
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
圖顯示一個研究燕麥鞘生長的實驗:
這實驗測試什麼假說?
芽鞘具正向光性
芽鞘的頂尖對光敏感
生長素由芽鞘的頂尖產生
生長主要在延長區進行
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
圖示四棵燕麥幼苗在單方向的光線照射下的生長情況:
一名科學家有以下結論:芽鞘頂尖對光敏感。他的結論是基於比較哪些幼苗的生長結果?
1和3
1和4
2和3
2和4
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
圖示某學生設計用來研究胚芽鞘生長反應的實驗裝置:
數日後移除錫箔。以下哪圖顯示探究最有可能出現的結果?
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
以下哪組裝置可用來進行一項和該學生研究目的相似的探究?
---
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
圖示有關四棵幼苗對單側光作出生長反應的探究:
某學生提出結論,指幼苗的頂端負責探測單側光的方向。他的結論是根據比較哪些幼苗的生長而得出的?
1、2和3
1、2和4
1、3和4
2、3和4
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
結果還可以得出哪項結論?
幼苗頂端是生長所必需的。
這生長反應確保植物能夠獲得光。
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