(B) The term 'root pressure' was coined by Stephen Hales. It refers to the positive pressure that develops in the xylem sap of the roots of plants as

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(B) The term 'root pressure' was coined by Stephen Hales. It refers to the positive pressure that develops in the xylem sap of the roots of plants as a result of active absorption of mineral nutrients by the root hairs. This pressure is responsible for pushing water up to small heights in the stem.

Class 11 Biology Transport in Plants Scientists and Apparatus concerned

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The term root pressure was coined by . . . . . . .

MHT CET 2024 All MHT CET

A
$J$. Priestley
B
$S$. Hales
C
Bohem
D
Dixon and Joly

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Transport in Plants

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Scientists and Apparatus concerned

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Comment on the experimental setup shown in the image. What will happen to the level of mercury if a blower is placed close to the setup?

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Potometer and clinostat are used to study

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Match the theories given in column-$I$ with the names of scientists listed in column-$II$. Choose the answer which gives the correct combination of the alphabets.

Column-$I$ (Names of theories) Column-$II$ (Names of scientists)

$(A)$ Relay pump theory $(p)$ Stocking

$(B)$ Transpiration cohesion theory $(q)$ Sir $J$.$C$. Bose

$(C)$ Mass flow $(r)$ Godlewski

$(D)$ Pulsation theory $(s)$ Dixon and Joly

$(t)$ Ernst Munch

Column-$I$ (Names of theories)	Column-$II$ (Names of scientists)
$(A)$ Relay pump theory	$(p)$ Stocking
$(B)$ Transpiration cohesion theory	$(q)$ Sir $J$.$C$. Bose
$(C)$ Mass flow	$(r)$ Godlewski
$(D)$ Pulsation theory	$(s)$ Dixon and Joly
	$(t)$ Ernst Munch