NEET Biology question
How many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundnut, radish, gram and turnip have stamens of different lengths within their flowers?
Answer: (A)
Solution
Mustard, radish and turnip all belong to family Brassicaceae and show the tetradynamous condition — six stamens of which four are long and two are short. Indigofera, Sesbania and groundnut (Papilionaceae) are diadelphous but their stamens are essentially equal in length; gram, though also diadelphous, likewise does
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