If you are speaking about a decision that was made in the past, use chose. If the decision currently being made or will be made in the future, use choose.

What is the past tense of Choice?

"Choice" is a noun that refers to the act of picking something or the options available to be picked. "Choose" and "chose" are verbs, the actual action of picking or deciding on something. "Choose" is the present or future tense, while "chose" is past tense.

Which one is correct chose or choose?

Remember, choose is present tense and chose is past tense. If the action is in the present, choose choose. If the action is in the past, use chose.