McqMate
| Q. |
Which one of the following set belongs to the class Mammalia? |
| A. | Lion, Hippopotamus, Penguin, Bat |
| B. | Lion, Bat, Whale, Ostrich |
| C. | Hippopotamus, Penguin, Whale, Kangaroo |
| D. | Whale, Bat, Kangaroo, Hippopotamus |
| Answer» D. Whale, Bat, Kangaroo, Hippopotamus | |
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Explanation: Mammals are members of class Mammalia, air-breathing vertebrate animals characterized by the possession of endothermy, hair, three middle ear bones, and mammary glands functional in mothers with young. Most mammals also possess sweat glands and specialized teeth. The largest group of mammals, the placentals, have a placenta which feeds the offspring during gestation. Among the mammals, pigs, hippopotamus, camels, giraffe, deer, antelope, cattle, sheep, goats belong to Order Artiodactyla; Order Cetacea: whales, dolphins and porpoises; etc. |
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