Questions in plant-water-relation

Select	Question
	Water will be absorbed by root hairs when [AFMC 1988]
	Which of the following contributes most to transport of water from the ground to the leaves of a tall tree
	The path of water from soil upto secondary xylem is
	Physical force theory explains
	If the water uptake occurs through leaves what is correct
	In plants, xylem of roots greatly perform in water uptake which involves
	Bordered pits relating with water uptake located in
	A plant with well washed roots was placed in a beaker of water diluted with red ink. The red colour travelled up the stem and into the leaf veins. Which of the following is the explanation of the uptake of red ink into the roots
	In water logged soil, plants generally are killed because of
	Which of the following helps in the absorption of water and mineral salts