Choose the correct statement about haustorial (Parasitic) roots of Cuscuta
These roots develop contact with xylem of host
These develop contact with xylem and phloem of host
These develop contact with phloem of host to get food
These develop contact with pericycle and lateral roots of host
An apocarpous flower is found in
Match the following:
Column $- I$ | Column $- II$ |
$(a)$. Amphisarca | $(i)$ Aegle |
$(b)$. Pepo | $(ii)$ Cucumis |
$(c)$. Drupe | $(iii)$ Ananas |
$(d)$. Sorosis | $(iv)$ Juglans |
The arrangement and folding of each lamina without any relationship with other leaves in bud, is called