Answer 1

Bulbasaur and it's evolution family
Charmander and it's evolution family
Beedrill
Sandshrew and Sanslash (only in Blue)
Oddish ans it's evolution family (only in Red)
Paras and Parasect
Bellsprout and it's evolution family (only in Blue)
Tentacool and Tentacruel
Farfetch'd
Krabby and Kingler
Lickitung
Tangela
Scyther (only in Red)
Pinsir (only in Blue)

Comments

Tentacool and tentacool shouldn't it be tenacool and tentacruel

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It's has been edited,thanks for the notice

Answer 2

I found it out myself Oddish for red and bellsprout for blue