Course

Biology Science

Study Pack

Set 35 Water And Sugar Transport In Plants

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Question 1

(Multiple Choice)

Free
What drives the flow of water through the xylem?

A) passive transport by the endodermis
B) the evaporation of water from the leaves
C) active transport by parenchyma cells within xylem tissue
D) the number of companion cells in the phloem
E) active transport by tracheid and vessel elements

Answer

Question 2

(Multiple Choice)

Free
Which theory of water transport in xylem can also be used to explain the movement of water in nonvascular plants such as mosses?

A) proton pump
B) capillarity
C) root pressure
D) pressure flow
E) cohesion- tension

Answer

Question 3

(Multiple Choice)

Free
Water potential in plants consists mainly of

A) pressure potential and membrane potential.
B) pressure potential and solute potential.
C) solute potential only.
D) solute potential and membrane potential.
E) solute potential and osmotic potential.

Answer