Concept:
Historical evidence of ornamental and sacred plants can be obtained from ancient seals, sculptures and archaeological remains.
Step 1: Identify the archaeological site.
Mohenjo-Daro was an important city of the Indus Valley Civilization.
Step 2: Identify the tree shown in ancient evidence.
The Pipal tree has been represented in ancient Indian archaeological records and seals.
\[
\text{Mohenjo-Daro seal} \Rightarrow \text{Pipal tree}
\]
Step 3: Final answer.
Therefore, the first evidence from the seal of Mohenjo-Daro is related to the Pipal tree.
\[
\therefore \text{Correct Answer is (D)}
\]