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| Q. |
Which amongst the following is the largest mammal? |
| A. | Elephant |
| B. | Whale |
| C. | Dinosaur |
| D. | Rhinoceros |
| Answer» B. Whale | |
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Explanation: Blue whales are the largest animals ever known to have lived on Earth. These magnificent marine mammals rule theoceans at up to 100 feet (30 meters) long and upwards of 200 tons (181 metric tons). Their tongues alone can weigh as much as an elephant, their hearts, as much as an automobile. Blue whales reach these mind-boggling dimensions on a diet composed nearly exclusively of tiny shrimplike animals called krill. During certain times of the year, a single adult blue whale consumes about 4 tons (3.6 metric tons) of krill a day. |
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