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Transpiration is low when:
Practice MCQ for SSC, UPSC, RRB Exams
A. Temperature is high
A.
B. Wind is strong
B.
C. Air is humid
C.
D. Light is bright
D.
Correct Answer: C
সঠিক উত্তর: C
Explanation
ব্যাখ্যা
Transpiration is low when air is humid because high humidity means the air is already saturated with water vapor, so there is less of a gradient for water to move from the plant to the air, resulting in a lower transpiration rate.
Related Questions
সম্পর্কিত প্রশ্ন
Which of the following is the first formed primary xylem elements?
Name the plant tissue which helps in the transport of food.
Which of the following is responsible for the upward movement of water in plants?
Transpiration is the process of:
Which cell type is absent in xylem?
Translocation of food in phloem occurs from:
Which theory explains the movement of water through xylem?
Which of the following structures helps in water absorption?
Phloem consists of all the following except:
Water movement between cells occurs through:
Which force is mainly responsible for the ascent of sap during the day?
The energy for translocation in phloem is provided by:
In plants the Casparian strip is found in:
Which of the following helps in lateral transport of water in stem?
Which of the following is not a function of transpiration?
Which part of root absorbs water?
Water enters root hairs by:
Which factor does NOT affect transpiration?
Transpiration occurs through all of the following except:
Guttation in plants occurs due to:
The cohesion-tension theory relates to:
Which plant tissue is responsible for conduction and mechanical support?
Which of the following structures regulates transpiration?
Which cell type is dead at maturity in xylem?
Which condition enhances transpiration rate?
Root pressure is highest when:
The sugar in phloem is mainly transported in the form of:
Which of the following helps in loading sugar into phloem?
Mass flow hypothesis explains:
The direction of phloem transport is:
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