Transpiration of water creates a pulling force in leaves, this is called…….
a) pressure
b) transport
c) transpirational pull
d) none of these
The transpirational pull occurs when…..….cells of the leaves lost water.
a) epidermal
b) collenchymas
c) mesophyll
d) xylem
During transport of water, there is an unbroken column of water in xylem vessels mainly due to
a) the attractive force among water
b) narrow diameter of xylem vessels
c) adhesive force of water on the walls of xylem vessels
d) all of these
Translocation of Food in Plants:
The tissue responsible for the translocation of food is/are…..
a) xylem
b) pericycle
c) phloem
d) all of these
The translocation of food in plants was explained by…..
a) Ernst Munch
b) Ernst Hackel
c) Robert brown
d) T. Schwann
