(a) Xylem consists of tracheids, vessels, xylem parenchyma and xylem fibres
The statement given in option (a) is correct.
Rest of the statements are incorrect and can be corrected as :
Flexibility in plants is due to the permanent tissue, collenchyma.
Sclerenchyma provides mechanical support to organs.
Parenchyma cells are thin-walled with small intercellular spaces.
Phloem consists of sieve plates, sieve tube and companion cells.
