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X is the outermost whorl of the flower and contains Y. Y is green, leaf like and protect the other whorls of the flower. Identify X and Y.

A. X - Calyx; Y - Sepals

B. X - Corolla; Y - Petals

C. X - Gynoecium; Y - Fruit

D. X - Androecium; Y - Ovary

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