Spot the mistakes in the given statements and correct them.
a) Translocation occurs with the help of companion cells only in downward direction.
b) Materials like sucrose are transferred into phloem using energy from into phloem using energy from ATP.

Explanation

Statement (b) is incorrect.
Correction:
The translocation of food and other substances takes place in the sieve tubes (sieve tubes are one of the constituents of the phloem which act as pipe line from leaves to the other parts of the plant) with the help of companion cells both in upward and downward directions.