Given below are the various types of tissue and their functions. Which out of these is not a matching pair and why :
(a) Collenchyma : provides mechanical support to the growing parts of plant.
(b) Sclerenchyma : photosynthesis, storage and secretion.
(c) Chlorenchyma : perform the function of photosynthesis.
(d) Xylem : conduction of water and minerals.