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тАЛThe flower of the Hibiscus plant is
unisexual
bisexual
neuter
very small
None of the above
bisexual
The Hibiscus flower is classified as bisexual (or hermaphrodite) because it possesses both male and female reproductive parts within the same flower. These parts are the androecium (stamens) and the gynoecium (pistil/carpel), allowing the flower to perform self-pollination.
The Hibiscus flower is classified as bisexual (or hermaphrodite) because it possesses both male and female reproductive parts within the same flower. These parts are the androecium (stamens) and the gynoecium (pistil/carpel), allowing the flower to perform self-pollination.
Think of a bisexual flower like a 'self-contained unit' or a 'package deal' that has everything necessary for reproduction built-in, unlike a unisexual flower that needs a partner from another plant or a different flower to complete the process.
HI-BIS-CUS: 'HI' (His/male part present) + 'BIS' (Both/bisexual) + 'CUS' (Completes seed production).
Bisexual=Androecium+Gynoecium
In botanical terms, a flower is bisexual if it contains both essential whorls: the androecium, which produces pollen (male gametes), and the gynoecium, which contains the ovary, style, and stigma (female structures). The Hibiscus exhibits a prominent staminal column where multiple anthers are attached, surrounding the single central style. This arrangement facilitates the transfer of pollen grains to the receptive stigma of the same flower or others, ensuring fertilization.
Hibiscus flowers are complete and perfect, meaning they possess sepals, petals, stamens, and carpels.
The presence of both male and female organs classifies it as a hermaphroditic or bisexual flower.
Most angiosperms are bisexual, although unisexual flowers are also common in nature (e.g., Papaya).
Hibiscus is a common model for studying floral morphology due to its large, distinct reproductive parts.
Increases the likelihood of successful pollination even in the absence of pollinators.
Ensures reproductive success in isolation.
Reduced genetic diversity compared to cross-pollination (self-pollination).
May lead to inbreeding depression over many generations.
Study of plant reproductive biology in high school and college curricula.
Standard specimen for demonstrating the structure of an angiosperm flower.
Unisexual flowers (like those in papaya or cucumber) contain only male (staminate) or female (pistillate) parts, never both.
Neuter flowers are those that lack both male and female reproductive structures, such as the ray florets in some Asteraceae sunflowers.
B is correct тАФ The Hibiscus flower is bisexual because it contains both the androecium (male) and the gynoecium (female) parts in a single floral structure.
Always remember that 'bisexual' in botany is synonymous with 'hermaphrodite' or 'perfect flower', often found in the majority of flowering plants you see in the garden.
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