I. Bamboo species flower only once in their life time, generally after 50 -100 years, produce large number of fruits and die
II. In animals the juvenile phase is followed by physiological and physiological changes prior to active reproductive behaviour.
III. The reproductive phase is of same duration in all organisms.
IV. Juvenile phase is the period of growth between the birth of an individual till it reaches reproductive maturity.
V. In plants juvenile phase is also called vegetative phase.
Which of the following statements is false?