第 1 题
1 分Which environmental condition would most likely decrease the rate of transpiration in a flowering plant?
GCE O-Level · Biology (6093)
Transpiration：练习题
5 道选择题即时批改，另有 5 道文字题附完整解题步骤，全部围绕「Transpiration」。
10 道题目19 分免费，无需注册
第 2 题
1 分Why does a plant wilt during a hot, dry day?
第 3 题
1 分Which of the following is the best definition of transpiration?
第 4 题
1 分What is the primary factor that drives the movement of water between plant cells and from the roots to the environment?
第 5 题
1 分In which tissue is water transported from the roots to the leaves by transpiration pull?
第 6 题
2 分Outline the pathway by which water is transported from the soil into the xylem vessels of the roots.
先自己写一遍答案，再对照解题步骤。
第 7 题
3 分Explain how wilting occurs in a plant when the rate of transpiration exceeds the rate of water absorption by the roots.
先自己写一遍答案，再对照解题步骤。
第 8 题
3 分Define the term transpiration and explain why it is considered an inevitable consequence of gaseous exchange in plants.
先自己写一遍答案，再对照解题步骤。
第 9 题
3 分Transpiration is often described as a 'consequence of gaseous exchange'.
(a) Define the term transpiration.
(b) Explain why a plant must lose water vapor when it opens its stomata to take in carbon dioxide for photosynthesis.
先自己写一遍答案，再对照解题步骤。
第 10 题
3 分The rate of transpiration is influenced by environmental factors.
State how an increase in the following factors affects the rate of transpiration:
(i) Air movement (wind)
(ii) Humidity
(iii) Light intensity
先自己写一遍答案，再对照解题步骤。
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