$A$ plant organ having a high concentration of food will serve as a

Which of the following is the consumption end of the plant?

Which of the following statements is correct regarding the transport of substances in plants?

According to the pressure flow hypothesis:
$A.$ Phloem loading produces a hypertonic condition in the sieve tubes.
$B.$ Water potential gradient facilitates the mass movement in the phloem.
$C.$ Phloem unloading is a passive process.

Although a girdled (up to bast) tree may survive for some time,it will eventually die because:

The translocation of organic solutes in sieve tube members is supported by