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Question
Trimerous unisexual flowers occur in
Trimerous unisexual flowers occur in
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Solution
The correct option is B
Cocos
Flowers can be defined according to the number of floral members. Trimerous flowers have floral organs three, or in multiples of three and, these are the characteristic features of the monocots. Cocos nucifera (coconut) is a monocot (family Arecaceae), so the flowers are trimerous. The plant is dioecious and the flowers are unisexual because the staminate and pistillate flowers occur separately on the different plants.A. Tamarind has bisexual flowers and is pentamerous (family Fabaceae)B. Cocos has unisexual flowers and is trimerous.C. Pea has bisexual flowers and is pentamerous (family Fabaceae)D. Hibiscus has bisexual flowers and is pentamerous (family Malvaceae)
Hence, the correct answer is 'Cocos'
Cocos
Flowers can be defined according to the number of floral members. Trimerous flowers have floral organs three, or in multiples of three and, these are the characteristic features of the monocots. Cocos nucifera (coconut) is a monocot (family Arecaceae), so the flowers are trimerous. The plant is dioecious and the flowers are unisexual because the staminate and pistillate flowers occur separately on the different plants.
A. Tamarind has bisexual flowers and is pentamerous (family Fabaceae)
B. Cocos has unisexual flowers and is trimerous.
C. Pea has bisexual flowers and is pentamerous (family Fabaceae)
D. Hibiscus has bisexual flowers and is pentamerous (family Malvaceae)
Hence, the correct answer is 'Cocos'
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