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Question
A student observed four plants (A, B, C, D). The number of stamens in a flower of 'A' is equal to those of a flower of 'B'. Out of the ten stamens arranged in two bundles in a flower of 'C', the stamen number in the bundle which possesses most of the stamens is three times to that of inner whorl of a flower of 'A'. In 'D', the number of stamens is equal to those present in the inner whorl of plant 'B;. Identify A, B, C and D plants respectively.
A student observed four plants (A, B, C, D). The number of stamens in a flower of 'A' is equal to those of a flower of 'B'. Out of the ten stamens arranged in two bundles in a flower of 'C', the stamen number in the bundle which possesses most of the stamens is three times to that of inner whorl of a flower of 'A'. In 'D', the number of stamens is equal to those present in the inner whorl of plant 'B;. Identify A, B, C and D plants respectively.
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Solution
The correct option is D Allium, Brassica, Tephrosia, Ocimum
Allium flowers have one style and six epipetalous stamens. The complete Brassica flower has 4 distinct sepals, 4 distinct petals, 6 stamens (tetradynamous with 4 long and 2 short). The filaments of the stamens unite to form two bundles of 9 + 1 in Tephrosia. Ocimum has didynamous stamens- four, 2 short and 2 long.
Allium flowers have one style and six epipetalous stamens. The complete Brassica flower has 4 distinct sepals, 4 distinct petals, 6 stamens (tetradynamous with 4 long and 2 short). The filaments of the stamens unite to form two bundles of 9 + 1 in Tephrosia. Ocimum has didynamous stamens- four, 2 short and 2 long.
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