Question

River horse is
(a)Rhino
(b)Hippopotamus
(c)Tapir
(d)Zebra

Answer 1

Hint: It varies from all other huge land well-evolved creatures, being of semiaquatic propensities, and going through their days in lakes and rivers. They can be present in both savannah and forest regions. A proper environment requires enough water to lower in and grass close by. Bigger densities of the creatures possess calm waters with generally firm, smooth slanting seashores.

Complete answer
Hippopotamus are big -barrel-shaped animals and got a Latin name Hippopotamus. In which hippo means horses and potatoes mean river. So they are even called the river horse. The hippopotamus is the genus of the Hippopotamidae. The dwarf hippopotamus has a place with an exceptional variety in Hippopotamidae, either Choeropsis or Hexaprotodon. Hippopotamidae are sometimes known as hippopotamids. Sometimes, the subfamily Hippopotaminae is used. Further, a couple of taxonomists bundle hippos and anthracotheres within the superfamily Anthracotheroidea.

Additional information
Hippopotamidae are classified alongside other even-toed ungulates within the Artiodactyla. Other artiodactyls include camels, cattle, deer, and pigs, although hippos aren't closely associated with these groups. Like most herbivores, hippos devour different plants whenever given to them, yet their eating routine in nature comprises predominantly of grass, with just insignificant utilization of aquatic plants. Hippos are brought into the world with sterile digestion tracts and need microorganisms acquired from their mothers' feces to process vegetation.

So the correct answer is ‘Hippopotamus’.

Note: Male hippos could likewise be present in little numbers in quick waters in rough crevasses. Hippos generally rest in freshwater habitats, be that as it may, populations in West Africa generally possess estuarine waters and ought to try and be found befuddled. With the exception of eating, most of a hippo's life occurs within the water. Hippos leave the water at nightfall and travel inland, here and there up to fifteen km (9 mi), to nibble on short grasses, their principle wellspring of food. They spend four to 5 hours grazing and may consume 68 kg (150lb) of grass each night.