Questions in plant-water-relation

Select	Question
	Gradient pressure was given as a possible mechanism of translocation of food by
	Mass flow hypothesis was first described by
	Who proposed the “Relay pump theory” of ascent of sap
	According to one vital force theory, ascent of sap is due to active pulsation of innermost layer of cortex. This theory was given by
	Dixon and Jolly are famous for
	The best vital force theory was proposed by
	The term water potential was proposed by
	Ganong's potometer is used to measure
	Which one of the following theories for ascent of sap was proposed by an eminent Indian scientist J.C. Bose
	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