Problem:
Question 1: All growth in plants is due to
a. Cell division in the three basic tissue systems and subsequent cell elongation
b. Cell division at meristems and subsequent cell elongation
c. Cell division as needed throughout the plant body, followed by cell elongation
d. Hormone-induced cell division throughout the plant body
Question 2: Which plant cells are dead at maturity, although still providing some useful function?
a. Dermal
b. Ground
c. Xylem
d. Phloem
e. Lateral meristems
Give reasoning with your answer.