Which one of the following usually does $NOT$ promote self-pollination?

Both,autogamy and geitonogamy are prevented in

Continued self-pollination results in

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

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

Which of the following techniques are included in outbreeding devices?