大学MOOC 植物生理学（全英文课程）(深圳大学)1205887802 最新慕课完整章节测试答案
Chapter1WaterRelationsofPlants
Chapter1test
1、单选题：
Which one of the following is not a way for plant cell to absorb water?
选项：
A: Diffusion
B: Bulk flow
C: Osmosis
D: Carrier-mediated transport
答案: 【 Carrier-mediated transport】
2、单选题：
The dried seeds absorb water mainly through , which greatly depends on the value of .
选项：
A: Osmosis, Ψs
B: Active absorption, Ψp
C: Passive absorption, Ψs
D: Imbibition, Ψm
答案: 【 Imbibition, Ψm】
3、单选题：
The value of osmotic (solute) potential Ψs of a solution (not pure water) is always .
选项：
A: Positive
B: Negative
C: Zero
D: Indefinite
答案: 【 Negative】
4、单选题：
For a mature plant cell which contains a central vacuole, the water potential equals .
选项：
A: The sum of Ψp, Ψs, and Ψm
B: The sum of Ψp and Ψm
C: The sum of Ψp and Ψs
D: Ψs minus Ψm
答案: 【 The sum of Ψp, Ψs, and Ψm】
5、单选题：
When a cell is placed in higher water potential solution, .
选项：
A: Water enters the cell.
B: Water exits the cell toward the solution.
C: Water enters and solute exits the cell.
D: None of the above is correct.
答案: 【 Water enters the cell.】
6、单选题：
A cell is placed in a solution and the cell swells. The solution is probably, but not necessarily .
选项：
A: Isoosmotic to the cell
B: Hypoosmotic to the cell
C: Hyperosmotic to the cell
D: None of the above is correct
答案: 【 Hypoosmotic to the cell 】
7、判断题：
The plant cell wall is selectively permeable.
选项：
A: 正确
B: 错误
答案: 【 错误】
8、判断题：
Under normal conditions, the most important components of water potential of a plant cell are gravity potential and matrix potential.
选项：
A: 正确
B: 错误
答案: 【 错误】
9、判断题：
Diffusion is a directed movement from a region of high concentration to a lower concentration.
选项：
A: