Understanding the symbolic representations of significant events in Gautama Buddha's life is crucial for studying Buddhist history and philosophy. These symbols help us remember and connect with the profound journey of the Buddha from birth to Mahaparinirvana (demise).

Buddha's Life: Symbolic Representations 

Let's delve into the specific events of Buddha's life and their traditional symbolic representations:

• Birth: The birth of Prince Siddhartha (Gautama Buddha) is often symbolized by the Bull, which represents royalty, strength, and fertility. It can also be symbolized by the Lotus, signifying purity and rising above the defilements of the world. In this context, the Bull is the appropriate match.
• Enlightenment: The moment Siddhartha attained enlightenment under the Bodhi Tree in Bodh Gaya is symbolized by the Bodhi Tree itself. This tree is revered as the place where he achieved ultimate wisdom and liberation from suffering.
• First Sermon: After achieving enlightenment, Buddha delivered his first sermon in Sarnath, known as the 'Dharmachakra Pravartana' or 'Turning the Wheel of Dharma'. This pivotal event is symbolized by the Chakra (Wheel), specifically the 'Dharmachakra', representing the teachings and the path to liberation that Buddha set in motion.
• Demise (Mahaparinirvana): Buddha's passing away, or Mahaparinirvana, is symbolized by the Stupa. A Stupa is a dome-shaped structure built over relics of the Buddha or other revered Buddhist figures, serving as a monument to commemorate his final liberation and eternal peace.

Matching Buddha's Events with Symbols

Based on the explanations above, we can now match the events from List-I with their corresponding symbols from List-II:

Final Match Analysis

Comparing our determined matches with the given options:

• (a) - (iii)
• (b) - (i)
• (c) - (ii)
• (d) - (iv)

This sequence matches option 2 provided in the question.