Chinese Astrology Quiz is the best trivia app to test your knowledge in many areas of Chinese astrology. Choose from several main question categories: Chinese Zodiac / Sheng Xiao 生肖. Twelve Earthly Branches / Di Zhi 地支. Five Elements / Wu Xing 五行. Ten Heavenly Stems / Tian Gan 天干. Stems and Branches / Gan Zhi 干支.