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Q. Elephant tusk is a modified

Odisha JEEOdisha JEE 2010Animal Kingdom

Solution:

Incisors are the front teeth borne by the premaxillae in upper jaw and tips of dentaries in lower jaw. They are single-rooted, monocuspid and long, curved and sharp-edged. They are adapted for seizing, cutting and biting. Elephant tusks are modified upper incisors with open roots.