NEET Zoology Classification Basis MCQ Question
Which of the following statements about the classification of animals is/are correct?
All mammals are viviparous, possessing mammary glands.
Arthropods have a closed circulatory system and lack jointed appendages.
Aves are warm-blooded and have adaptations for flight, including feathers.
Poikilothermous animals include fishes, amphibians, and reptiles.
Correct Answer
Detailed Explanation
While it is true that most mammals are viviparous and have mammary glands, not all mammals exhibit viviparity as some are oviparous. Arthropods have an open circulatory system and jointed appendages, while Aves are indeed warm-blooded and adapted for flight. Poikilothermous animals do include fishes, amphibians, and reptiles, making options C and D also correct.
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