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Cohesion-tension theory is related to
- a)Transpiration
- b)Respiration
- c)Ascent of sap
- d)Photosynthesis
Correct answer is option 'C'. Can you explain this answer?
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Cohesion-tension theory is related toa)Transpirationb)Respirationc)Asc...
Ans.
Cohesion Tension theory was proposed by botanist Henry Dixon in 1939. It states that water in xylem is pulled upward by air's drying power, which creates a continuous negative pressure called tension. The tension extends all the way from leaves to the roots that may be 100 feets below.Most of the water a plant takes up is lost by evaporation, typically from stomata on the plant's leaves this process is called transpiration. Transpiration's effect on water inside a plant is a bit like what happens when you suck a drink through a straw. Transpiration puts negative pressure (pulls) on continuous columns of water that fill the narrow conductive tubes of xylem. A column of water resists breaking into droplets as it moves through a narrow conduit such as xylem tube(water molecules are connected by hydrogen bond).Thus the negative pressure created by transpiration(tension) pulls on the entire column of water that fills the xylem tube.
Because of the water's cohesion the tension extends from leaves that may be 100 of feet in the air down through stems, into young roots where water is being absorbed from the soil.
Because of the water's cohesion the tension extends from leaves that may be 100 of feet in the air down through stems, into young roots where water is being absorbed from the soil.
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Cohesion-tension theory is related toa)Transpirationb)Respirationc)Asc...
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Cohesion-tension theory is related toa)Transpirationb)Respirationc)Ascent of sapd)PhotosynthesisCorrect answer is option 'C'. Can you explain this answer?
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Cohesion-tension theory is related toa)Transpirationb)Respirationc)Ascent of sapd)PhotosynthesisCorrect answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Cohesion-tension theory is related toa)Transpirationb)Respirationc)Ascent of sapd)PhotosynthesisCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Cohesion-tension theory is related toa)Transpirationb)Respirationc)Ascent of sapd)PhotosynthesisCorrect answer is option 'C'. Can you explain this answer?.
Cohesion-tension theory is related toa)Transpirationb)Respirationc)Ascent of sapd)PhotosynthesisCorrect answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Cohesion-tension theory is related toa)Transpirationb)Respirationc)Ascent of sapd)PhotosynthesisCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Cohesion-tension theory is related toa)Transpirationb)Respirationc)Ascent of sapd)PhotosynthesisCorrect answer is option 'C'. Can you explain this answer?.
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