In a large bowl, combine cake and pudding mix. Add the water, oil, eggs and extracts. Beat for 30 seconds on low speed. Beat for 2 minutes on medium speed. Stir in poppy seeds. Pour into a greased 12-cup fluted tube pan.
Bake at 350° for 50-60 minutes or until a toothpick inserted near the center comes out clean. Cool in pan 10 minutes before inverting onto a serving plate.
Combine confectioners' sugar and lemon juice; brush over warm cake. Cool. Dust with additional confectioners' sugar if desired. Yield: 12-16 servings.