In which one of the following, both autogamy and geitonogamy are prevented?

Match the following columns regarding plant breeding systems and select the correct option:
Column-$I$: $(i)$ Monoecious,(ii) Dioecious
Column-$II$: $(p)$ Prevents both autogamy and geitonogamy,$(q)$ Prevents autogamy but not geitonogamy
Column-$III$: $(x)$ Papaya and Date palm,$(y)$ Castor and Maize

What is the benefit of outbreeding devices to plants?

When the $F_1$ generation offspring is crossed with a dominant homozygous parent,what is it called?

Which of the following devices promote cross-pollination?
$(i)$ Non-synchronization of pollen release and stigma receptivity
$(ii)$ Anther and stigma are placed at different positions
$(iii)$ Monoecious plants
$(iv)$ Production of dioecious plants
$(v)$ Self-incompatibility
$(vi)$ Anther and stigma are placed close to each other
$(vii)$ Self-compatibility

For a monoecious plant,which of the following is true?