The ascent of sap in plants takes place due to
root pressure
transpiration pull
both a and b
osmosis
Root pressure can be measured by,
Ganong's potometer
Psychrometer
Mercury Manometer
All of above
In the absence of transpiration water moves into and up xylem because of
turgor pressure
high soil mineral concentration
none of these
Water rises in xylem in the form of __________
Continuous water column
Discontinuous water column
Water vapours
None of these
_________ and _________ are non living plant tissues which help in conducting water and minerals dissolved in water from roots to upper parts of the plant.
Xylem vessels, Tracheids
Pholem vessels, Sieve tubes
Aerenchyma , Sclerenchyma
Stomata are present on the __________ of the leaves.
Ascent of sap in higher plant takes place through,
Xylem
Phloem
Parenchyma
Which one of the following plants is the tallest angiosperm?
Sequoia sempervirens
Australian Eucalyptus
Ficus bengalensis
The conduction of soluble materials from one part of the plant to another.
transpiration
translocation
guttation
Cohesive force of water is due to presence of,
Hydrogen bonds between water molecules
Covalent bonds between water molecules
Hydrogen bonds between water and components of xylem walls
