Reason: The process of loading at the source produces a hypotonic condition in the phloem.
A
Both A and R are true and R is the correct explanation of A
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Both A and R are true but R is not the explanation of A
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
A is true but R is false
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
Both A and R are false.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is C
A is true but R is false
Vein loading of the phloem at the source causes the source to become hypertonic. Thus water flows in and raises the hydrostatic pressure. This pressure helps in translocation towards the sink.