Write functions of any two components of phloem.
Sieve tubes, companion cells, phloem fibres and phloem parenchyma are the components of phloem.
Function of sieve tubes:
Translocation of organic substances through perforated walls from one adjacent cell to another.
Function of companion cells:
Help to control the activity of sieve tube elements.
Function of phloem parenchyma:
Transports food, i.e. sugars and amino acids from leaves to other non-green parts of plants such as growing stems and roots.
Function of phloem fibres:
Provide mechanical strength to the plant
You have rated this answer /10