"The openings on the stem through which transpiration occurs"
stomata
hydathodes
lenticels
none of the above
In which condition the transpiration pull is maximum?
Open stoma, dry atmosphere and moist soil
closed stomata, dry atmosphere and moist soil
closed stoma, dry atmosphere
open stoma, high humid atmosphere and dry soil
In which of the following plants there will be no transpiration?
Aquatic, submerged plants
Plants found in deserts
Aquatic plants with floating leaves
Plants growing in hilly regions
Strong attraction between water molecules is called
Adhesive
Ascent of sap
Cohesion
Osmosis
Guttation is caused by
transpiration
osmosis
root pressure
osmotic pressure
The rate of transpiration will ________ with the decreases in atmospheric pressure.
increase
decrease slowly
decrease rapidly
Strong attraction of water molecules to xylem walls is called
cohesion
adhesion
both a and b
If the rate of transpiration becomes more than the rate of photosynthesis, plants will
continue to live, but will not be able to store food
be killed instantly
grow more vigorously because more energy will be available
stop growing and gradually die of starvation
Maximum transpiration occurs through the
stem
root
flowers
leaves
When water is lost in the form of droplets it is called
evaporation
bleeding
guttation