Multiple choice general knowledge Scientic Name of Dog Canis familiaris Rattus rattus Canis lupus Heracleum lanatum Reveal answer Fill a bubble to check yourself A Correct answer Explanation The scientific name of the domestic dog is Canis familiaris. Canis lupus is the gray wolf, Rattus rattus is the black rat, and Heracleum lanatum is a plant species (cow parsnip). The claimed answer A is correct.