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11 . Yeast is an important source of-
A. Vitamin C B. Protein
C. Vitamin B D. Invertase

12 . Fiber of cotton is obtain from-
A. Stem B. Seed
C. Fruit D. Root

13 . Quinine is obtained from-
A. Pappaver B. Canabies
C. Cinchona D. Aconitum

14 . Good source of vitamin 'C' is-
A. Lemon B. Orange
C. Amla D. Chilli

15 . Medicine for high blood pressure is obtained from-
A. Digitalies B. Syncona species
C. Rauwolffia species D. Pappaver species