alleryAnimals from which class are warm-blooded?
APisces
BReptilia
CAves
DAmphibia
Answer & Solution
Correct answer: C. Aves
1. Warm-blooded animals maintain a constant body temperature.
2. Among the options, only birds (class Aves) are warm-blooded; the others are cold-blooded.
3. Hence the answer is Aves.
_Source: RRB Group D CEN-02/2018 PYQ, Q.91 (second)._
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