Lord Vishnu's only incarnation in this kalyuga is said to be Kalki avataram.
A
Correct answer
Explanation
According to Hindu eschatology and Puranic traditions, Kalki is prophesied to be the final avatar of Lord Vishnu, who will appear at the end of the Kali Yuga (the current age) to restore dharma. This is indeed considered Vishnu's only incarnation specifically scheduled for the Kali Yuga, making the statement correct within Hindu theological framework.