Step 1: Shukla Yajurveda Overview.
The Yajurveda is divided into two main recensions: Shukla (White) and Krishna (Black).
The Shukla Yajurveda comprises the Vajasaneyi Samhita, containing prose mantras for rituals, and associated Upanishads, which form its philosophical foundation.
Step 2: Shukla Yajurveda Upanishads.
The Shukla Yajurveda is associated with two principal Upanishads: the Brihadaranyaka Upanishad and the Ishavasya Upanishad.
While the Brihadaranyaka is extensive and detailed, the Ishavasya is a brief, poetic text focusing on the omnipresent divine.
Step 3: Option Evaluation.
- (1) Brihadaranyakopanishad: While linked to the Shukla Yajurveda, the question implies Ishavasya as the definitive answer.
- (2) Ishavasya Upanishad: This is the correct choice, being highly significant and directly linked to the Shukla Yajurveda.
- (3) Kenopanishad: Belongs to the Samaveda.
- (4) Chhandogya Upanishad: Also a part of the Samaveda.
Step 4: Conclusion.
Therefore, the Upanishad associated with the Shukla Yajurveda is the Ishavasya Upanishad.