List any two characters of Pea plants used by Mendel in his experiments other than height of the plant and the colour of the seed.

Two characters of Pea Plants used by Mendel in his experiments other than height of plant and the colour of the seed are: Pea shape (round or wrinkled), Pod shape (constricted or inflated), Position of flowers (axial or terminal), etc.

[Peas were an ideal plant for the hybridisation experiment because they had easily observable traits of which 7 of the traits could be manipulated to obtain the laws of inheritance].