The shape of which tree is found in the seals from the Indus Valley Civilization?

The Great Bath was found from the Indus Valley civilization at -

One of the following sites from where the famous bull-seal of Indus Valley Civilization was found-

Which was the famous ancient port city of the Indus Valley Civilization?

What is the most significant feature of the Indus Valley Civilization?

Which of the following animals was not known to the people of the Indus Valley Civilization?