In papaya,male and female flowers are present on different plants. This condition permits:

Which process is not prevented in maize?

The adaptation for pollination shown in the figure is of the ..... type.

What is self-incompatibility?

Flowers preventing self-pollination is called

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