1. If you answer the question right, you will get a point card.
2. If your answer is right, I will give you a point card.
3. If you say the correct answer, you will receive a point card.
4. If you respond to the question right, you will get a point card.
5. If your response to the question is right, I will hand you a point card.
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Are the expressions correct? What other expressions can we use?
All are correct.
You could also say, "If you are right, you'll get a point card."