MEDIUM
AP EAPCET
IMPORTANT
Earn 100

Arrange the given events that occur in phloem for removal of water from phloem to xylem:
Incoming sugars are actively transported out and removed as complex carbohydrates.
Increase of water potential.
Increase of hydrostatic pressure in sieve tubes.
Transport of water into sieve tubes by osmosis.
(a)
(b)
(c)
(d)

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Important Questions on Transport in Plants
HARD
AP EAPCET
IMPORTANT
Find correct statements from the following
Protein transporters are responsible for maximum rates of transport under saturated state
Translocation of substances in bulk flow requires hydrostatic pressure gradient
Root pressure plays the greatest contribution for upward movement of water in tall plants
Transport proteins of endodermal cells are control points for active transport of ions in two directions
The correct answer is

EASY
AP EAPCET
IMPORTANT
The salting of pickles is an example for

MEDIUM
AP EAPCET
IMPORTANT
Assertion (): Pea seeds swell more on imbibition than wheat seeds.
Reason (): Proteins have a high imbibing capacity.

EASY
AP EAPCET
IMPORTANT
Water potential of pure water at standard temperature is ________

EASY
AP EAPCET
IMPORTANT
The magnitude of increment in water potential in a turgid cell is called ________

EASY
AP EAPCET
IMPORTANT
Assertion (A): In the apoplast pathway, water movement is ultimately symplastic in the endodermis
Reason (R): Root endodermal cells are suberized

MEDIUM
AP EAPCET
IMPORTANT
Arrange the given events that occur in phloem for removal of water from phloem to xylem:
Incoming sugars are actively transported out and removed as complex carbohydrates.
Increase of water potential.
Increase of hydrostatic pressure in sieve tubes.
Transport of water into sieve tubes by osmosis.
