One significant difference between roots and stem is that
Branch roots originate in the pericycle while stem do not
Stems are always bove the ground while root are always below the ground
Stems are positively geotropic while roots are negatively geotropic
Stem are sometime used for storage while roots are never used
Stems grow in both length and circumference while root grow only in length
Correct answer is A
No explanation has been provided for this answer.