How do you draw floral diagram of solanaceae family?

Welll, it depends on what subject you are working on. For math: leaf to stem diagram, histogram, e.t.c. For ELA, History: normal T-chart

Genetic diagrams usually means Punnett squares. Go look those up.

I would suggest that you draw the picture of a test tube in MS Word because it is much easier. You only need 3 drawing objects to create the test tube. These drawing objects are : Rounded Rectangle ,...

Electrons per shell: 2,8,9,2