Roots help in clinging and climbing in
Pothos and Tecoma
Hedera $(Ivy)$ and Piper $(Betel)$
Black pepper
All of these
Where will you get spiny stipules for protection against grazing animals
When leaves fall individually at different times it is called
Ochreate stipules occur in leafy vegetable
Cotyledons and testa respectively are edible parts in
Velamen takes part in