Death of protoplasm is a prerequisite for a vital function like (a) transport of sap (b) transport of food (c) absorption of water (d) gaseous exchange.
Option A Death of protoplasm is a prerequisite for a vital functions like transport of sap. Xylem is a dead tissue and do not have protoplasm, xylem performs the function of transport of water or sap inside the plant from roots to leaves.
