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植物生理学（全英文）（西北农林科技大学）
题数
110
售价
¥20
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章节目录
题目预览(可预览10题)
【单选题】
[1/110]Which of following statements about water loss and usage by plants is CORRECT?
A.
In the case of cacti, water is lost preferentially from outer layer during drought.
B.
The uptake of CO2 is coupled to the loss of water through a common diffusional pathway.
C.
The majority of the water absorbed by roots either remains in the plant to supple growth, or it is consumed in the biochemical reactions.
D.
A small amount of the water absorbed by roots is lost by transpiration from the leaf surfaces.
参考答案：
B
参考解析：
无
【单选题】
[2/110]Which of the following hormone functions as an anti-transpirant?
A.
ethylene
B.
ABA
C.
cytokinin
D.
auxin
参考答案：
B
参考解析：
无
【单选题】
[3/110]Which of the following statements about features of a typical eukaryotic core promoter is CORRECT?
A.
Enhancers must be located upstream from the promoter.
B.
Repressors are trans-acting transcription factors that repress gene expression.
C.
None of the others
D.
Activators are cis-acting transcription factors that activate gene expression.
参考答案：
B
参考解析：
无
【单选题】
[4/110]Coleoptile is the phenomenon due to which stems and shoots of plants bend towards a source of light...
A.
Greater light availability.
B.
Greater oxygen availability.
C.
More auxin on the shaded side.
D.
Availability of the necessary amount of warmth to tips.
参考答案：
C
参考解析：
无
【单选题】
[5/110]Absorption of water and minerals take place in which part of root?
A.
Root cap tip
B.
Root endodermis
C.
Root epidermis
D.
Root hairs
参考答案：
D
参考解析：
无
【单选题】
[6/110]Which of the following is not a function of auxin?
A.
enhancing cell division
B.
maintaining apical dominance
C.
inducing dormancy
D.
inducing callus formation
参考答案：
C
参考解析：
无
【单选题】
[7/110]Stress hormone is ______
A.
ABA
B.
GA
C.
IAA
D.
Both A and B
参考答案：
A
参考解析：
无
【单选题】
[8/110]Which of the following is NOT a property of water that makes water an excellent solvent?
A.
Water molecules are nonpolar.
B.
None
C.
Water molecules are of small size.
D.
Water molecules can form hydrogen bonds.
参考答案：
A
参考解析：
无
【单选题】
[9/110]BRI1 is a regulator in the BR signaling pathway.
A.
None of the above
B.
Both A and B
C.
negative
D.
positive
参考答案：
D
参考解析：
无
【单选题】
[10/110]Which of the following processes does NOT take place in the nucleus?
A.
DNA replication
B.
Transcription
C.
Ribosome synthesis
D.
Translation
参考答案：
D
参考解析：
无
