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The unit of water potential is_________

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in Biology – Class 11 by (272k points)
The unit of water potential is_________

(a) psi

(b) no unit

(c) pascal

(d) mmole per kg

This question was posed to me by my school teacher while I was bunking the class.

My doubt stems from Plant-Water Relations-1 topic in division Transport in Plants of Biology – Class 11

1 Answer

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Best answer
Correct option is (c) pascal

Best explanation: Pascal is the unit of water potential as it is also a kind of pressure. Psi is the Greek symbol use to the denote water potential. It must have a unit as it is not a ratio. mmole per kg is the unit of amount of micro and macro nutrients required by the plant.

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