2022大学慕课答案 植物生理学（全英文课程）(深圳大学) 最新大学MOOC满分章节测试答案
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本课程起止时间为:2020-09-01到2020-12-20
本篇答案更新状态:已完结
Chapter 1 Water Relations of Plants Chapter 1 test
1、 问题: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、 问题: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、 问题: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、 问题: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、 问题: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、 问题: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、 问题:The plant cell wall is selectively permeable.
选项：
A:正确
B:错误
答案: 【错误】
8、 问题: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、 问题:Diffusion is a directed movement from a region of high concentration to a lower concentration.
选项：
A:正确
B:错误
答案: 【正确】
10、 问题:The osmotic (solute) potential of a solution Ψs s can be positive.
选项：
A:正确
B:错误
答案: 【错误】
11、 问题:There are three pathways for radial movement of water through the root, which are apoplastic pathway, symplastic pathway, and osmosis.
选项：
A:正确
B:错误
答案: 【错误】
12、 问题:The stomatal pores are closed when guard cells are turgid.
选项：
A:正确
B:错误
答案: 【错误】
13、 问题:Closed guard cells have higher concentrations of K+ than open ones.
选项：
A:正确
B:错误
答案: 【错误】
14、 问题:The main osmotic agent for opening stomata is sucrose.
选项：
A:正确
B:错误
答案: 【错误】
Chapter 2 Mineral Nutrients Chapter 2 test
1、 问题:Which elements is not one of the three most common ones in a plant?
选项：
A:Carbon
B:Hydrogen
C:Oxygen
D:Sulfur
答案: 【Sulfur】
2、 问题:Which of the following elements is necessary for biological nitrogen fixation?
选项：
A:Copper
B:Zinc
C:Manganese
D:Molybdenum
答案: 【Molybdenum】
3、 问题:Plant require Fe and Mg for .
选项：
A:Opening and closing of stomata
B:Synthesis of chlorophyll
C:Translocation of carbohydrates
D:None of the above
答案: 【Synthesis of chlorophyll 】
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