In which plant does the petiole expand and become green to synthesize food?

In $Ficus$ $(Rubber\,\, plant)$,the young leaves are protected by reddish structures called bud scales. These are:

Phyllode is an adaptation to

Petiole is modified into tendril in

Which of the following plants stores food in its leaves?

Identify the correct terms for the following analogy-based question:
$(i)$ Leaf is attached to the stem by: Leaf base :: The swollen leaf base is called: ............
$(ii)$ In Neem: Pinnately compound leaf :: In Silk cotton: ............