Question

which one of the following is unusual a. mustard. b. china rose. c. papaya. d. none of these.

Answer 1

aloha!

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both china rose and mustard are bisexual plants .
whereas papaya can be found to have unisexual characteristics.

so answer: papaya

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hope it helps :)

Answer 2

china rose and mustard are bisexual flower whereas papaya is an unisexual flower .so unusal is papaya