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NTA Abhyas NEET2020BotanyAnimal KingdomPractice

Which one of the following groups of animals are correctly matched with their two characteristic morphological features?

Options

  1. AColumba, Equus, and Balaenoptera - Dorsal hollow nerve cord and poikilothermous
  2. BPteropus, Pavo, Macropus, and Psittacula - 4 chambered heart and homeothermy
  3. CAscaris, Wuchereria and Pheretima - Pseudocoelomates and metamerism
  4. DDentalium, Octopus, Apis, and Bombyx - Open circulatory system and dorsal nerve cord

Correct answer

B. Pteropus, Pavo, Macropus, and Psittacula - 4 chambered heart and homeothermy

Step-by-step solution

4 chambered heart and homeothermy is seen in class Aves and Mammalia. Pteropus (Flying fox) and Macropus (Kangaroo) belongs to a class Mammalia, while Pavo (Peacock) and Psittacula (Parrot) belongs to a class Aves.

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