Correct Answer: (a) Cow
Solution:The greatest artistic creations of tha harappan culture are the seals. About 2000 seals have been found and of these great majority carry short inscriptions with picture of the one horned bull, buffalo, tiger, rhinoceros, goat and elephant. The figures of elephant, rhinoceros, tiger, deer, sheep, etc. are depicted on the seals and terracotta arts of Harappan culture. But the cow was not depicted on the seals and terracotta art of the Harappan cultures.