Q. Which of the following pair is incorrect?
I. Crocodile- Reptile
II. Frog- Amphibian
III. Tiger- Reptile
Answer:
Only III
Notes: Crocodiles are large aquatic reptiles, while frogs are short-bodied, tailless amphibians that inhabit terrestrial, fossorial, arboreal or freshwater aquatic ecosystems. Tiger, the largest cat species, is a mammal.