Fish and Chip are Mother and son, respectively. Bird is granddaughter of Turtle. Frog and Crab are father and son, respectively. Turtle has only two children, Frog and Moth. If bird is the only child of her parents and Chip is the grandson of Turtle, how is Fish related to Frog?

Correct option is B

Given:
Fish and Chip are Mother and son:
Bird is the granddaughter of Turtle:
Frog and Crab are father and son:
Turtle has only two children, Frog and Moth:
Bird is the only child of her parents:
From the above given information following family diagram can be drawn-

From the above family diagram Fish is wife of Frog.
Correct answer is (b) Wife.