The dioecious condition prevents:

Protandry is a condition where......

What is self-incompatibility?

Mention two strategies evolved to prevent self-pollination in flowers.

When the anthers mature earlier than the stigma of one's own flower,the condition is known as

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