In plants,in nature,autogamy is avoided because the seeds produced:

Cross-fertilisation is favoured by

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

Continued self-pollination results in....

Which of the following prevents pollen germination or pollen tube growth?

Given below are two statements:
Statement $I$: In heteromorphic flowers,pollen grains produced from anther pollinate stigmas produced at same level.
Statement $II$: In Tobacco,the germination of pollen on the stigma of the same flower is inhibited.
In the light of above statements,select the correct option given below: