alleryA frog lives only in water as a larva but on both land and water as an adult. This life pattern places it in which class?
AAmphibia
BPisces
CReptilia
DMammalia
Answer & Solution
Correct answer: A. Amphibia
1. The animal is strictly aquatic as a larva and dual-habitat as an adult.
2. This double life is the hallmark of class Amphibia.
3. Rule out Pisces: fishes stay aquatic for their whole life.
4. Reptiles are true terrestrial animals, not dual-habitat like this.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 6 "Animal Classification", p.82_
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