Correct Option
The King cobra (Ophiophagus hannah) is primarily ophiophagous, meaning its diet predominantly consists of other snakes, including both venomous and non-venomous species. Its scientific name, Ophiophagus, literally translates to "snake-eater." While snakes form the bulk of its nutrition, it may occasionally prey on lizards or small vertebrates.
Incorrect Options
Krait (a): Kraits primarily feed on lizards and small rodents, though they may occasionally consume other snakes.
Russell's viper (b): This species' diet mainly comprises rodents, lizards, and small birds.
Rattlesnake (c): Rattlesnakes typically prey on small mammals and birds.