Medium PPSC Assistant Past Papers PDF PPSC ASSISTANT PAST PAPERS PDF FPSC Question The most important stimulus for tea leaves is _____? A Brucine B Caffeine C Phyenylalanine D Theine Submit Answer Try Again Show Explanation Explanation Explanation Caffeine occurs naturally in the tea plant, Camellia sinensis, so all brewed tea contains some caffeine. Tea leaves contain 3.5% caffeine, while Coffee beans have 1.1–2.2%. Previous MCQ All MCQs Next MCQ More MCQs in PPSC Assistant Past Papers PDF Medium Coolness : Night :: Coolness : Night :: Medium The Synonym of Impart is? The Synonym of Impart is? Medium Correct the below given sentence by picking up suitable option (where required): Correct the below given sentence by picking up suitable option (where required): I am very… Medium What _____ to drink, tea or coffee? What _____ to drink, tea or coffee?