UNIVERSAL RESOURCES <UVR>HOLDERS APPROVE MERGER Universal Resources Corp said its shareholders approved the merger of the company with Questar Corp <STR>. Separately, Universal said it will redeem its 15.75 pct debentures due December 15, 1996, on April 19, at 104.8 pct of face amount plus accrued interest. Universal said it will operate as a wholly owned unit of Questar under its current name. Under terms of the merger, which took effective today, Universal said its shareholders will receive three dlrs a share in cash. It said its stock will no longer trade on the AMEX.