TOKYO, April 7 (Reuters) - Japanese government bond yields fell on Wednesday after investors witnessed strong results in the Bank of Japan’s bond-buying operation. The 10-year JGB yield fell one basis point to 0.095%, while the 20-year JGB yield fell 1.5 basis points to 0.460%. The 30-year JGB yield fell three basis points to 0.650%. The five-year yield fell 0.5 basis point to minus 0.095%. The 40-year JGB yield fell three basis points to 0.695%. Benchmark 10-year JGB futures rose 0.07 point to 151.28, with a trading volume of 20,242 lots. (Reporting by Tokyo markets team)