Q. The tusk of the elephant is formed:

 1871  225 JIPMERJIPMER 1999 Report Error

Solution:

Elephant is largest terrestrial animal, found in valleys and foot hills, gregareous; herbivores; has large head with fan like pinna and long proboscis, huge trunk and pillar tike lags. Tusk is present which is modified incisors. Example: Elephas (Indian)