What is maintained through reproduction from generation to generation?

Identify the figures $a, b,$ and $c$ respectively.

Which of the following statements is incorrect?
$(i)$ Bamboo species flower only once in their lifetime,generally after $50-100$ years,produce a large number of fruits,and die.
$(ii)$ In animals,the juvenile phase is followed by morphological and physiological changes prior to active reproductive behaviour.
$(iii)$ The reproductive phase is of the same duration in all organisms.
$(iv)$ The juvenile phase is the period of growth between the birth of an individual until it reaches reproductive maturity.

The external stimulus which induces cleavage in an unfertilized ovum is called:

Sometimes,in yeast,the conjugation takes place between a parent cell and a bud. It is called

Give reasons as to why cell division cannot be a type of reproduction in multicellular organisms.