Multiple Choice QuestionsDuramen is present in
inner region of secondary wood
part of sap wood
outer region of secondary wood
region of pericycle
In plants, water supply is due to
osmosis
imbibition
guttation
adhesion force
D.
adhesion force
Adhesion force is the force between walls and water.
Osmosis is the diffusion of water from its pure or dilute solution into a stronger solution when the two are seperated by a semi- permeable membrane.
Imbibition is the absorption of water by the solid particles of an adsorbant without forming a solution.
Guttation is the loss of water in the form of liquid droplets from the leaves and other parts of an uninjured or intact plant.
Most of the economically important fibre yielding plants belong to family
Malvaceae
Solanaceae
Cruciferae
Paceae
In cell cycle, during which phase chromosomes are arranged in equatorial plate?
Metaphase
Anaphase
Telophase
Prophase
Induction of flowering by low temperature treatment is
vernalization
cryobiology
photoperiodism
prunning
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