Phloem Transport
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Food is primarily transported as sources through phloem
Sugar stored in roots may be mobilized to buds in early spring
The direction of movement in phloem can be upwards on down wards i.e., bidirectional
Both b & c
Minerals and sugars
Sucrose and amino acids
Sugars and hormones
Water and sucrose
Assertion: The phloem sap moves towards the sink.
Reason: The process of loading at the source produces a hypotonic condition in the phloem.
if both A and R are true and R is the correct explanation of A
if A is true but R is false
if both A and R are true but R is not the correct explanation of A
if both A and R are false.
The transport in xylem in usually unidirectional, whereas in phloem it is bidirectional.
True
False
Both b & c
Sugar stored in roots may be mobilized to buds in early spring
The direction of movement in phloem can be upwards on down wards i.e., bidirectional
Food is primarily transported as sources through phloem
Active transport and passive transport
Passive transport and active transport
Active transport
Passive transport
Phloem is a vessel in plants which carries
food and minerals to leaves from roots
prepared food to other parts from roots
food and minerals to roots from leaves
prepared food to other parts from leaves
Which of the following is not a purpose of transpiration?
Supplies water for photosynthesis.
Helps in translocation of sugars from source to sink.
Cools leaf surface.
Transports minerals from the soil to all parts of the plant.
The transport in xylem in usually unidirectional, whereas in phloem it is