Question

Mendel had also worked on one more plant other than pea. that's was

Answer 1

bcz. its easily available
and it is suitable for experiment
and it is easier germinate

Answer 2

Hieracium. Mendel also worked with Hieracium, which is also called hawkweed.

Because of the diversity of hawkweed, it was a topic of great interest and that is why Mendel published his report regarding this group of plants and the research turned out not at all similar to the research of peas.