How many pairs of contrasting characters in pea plants were studied by Mendel in his experiments?

Pairs of contrasting characters in pea plants studied by Mendel in his experiments:

1. 7 pairs of contrasting characters in pea plants were studied by Mendel in his experiments.
2. From 1856 to 1863, Mendel conducted pea plant hybridisation studies.
3. Using 14 true-breeding pea plant types with seven pairs of opposing features, Mendel suggested inheritance principles based on artificial pollination or cross-pollination studies.
4. Color, shape, pod color, pod shape, plant size, blossom position, and flower color are some of the characteristics.

Seven pairs of contrasting characteristics of pea plants studied by Mendel in his experiments are as follows:-

1. Pea shape: Round or Wrinkled.
2. Pea color: Green or Yellow.
3. Pod shape: Constricted or Inflated.
4. Pod color: Green or Yellow.
5. Flower color: Purple or White.
6. Plant size: Tall or Dwarf.
7. Position of flowers: Axial or Terminal.