In Class 10 Biology (How do Organisms Reproduce?), flowers are classified based on whether they contain both male and female reproductive organs, or only one.
Unisexual: Either male or female only. Example: Papaya, Watermelon.
Bisexual: Both organs in same flower. Example: Rose, Hibiscus.
Stamens: Male part. Pistil: Female part.
Definition: Flowers that have either only male (stamen) or only female (pistil) reproductive organs, but NOT both.
Examples of Unisexual Flowers: Papaya, Watermelon, Maize (Corn), Cucumber, Pumpkin (both male and female flowers exist on the same plant but separately).
Definition: Flowers that contain BOTH the stamen (male) and pistil (female) in the same flower. Also called perfect flowers or hermaphrodite flowers.
Examples of Bisexual Flowers: Rose, Hibiscus (Gudhal), Mustard, Petunia, Tomato.
| Feature | Unisexual | Bisexual |
|---|---|---|
| Organs present | Only stamens OR only pistil | Both stamen AND pistil |
| Also called | Imperfect flowers | Perfect flowers |
| Examples | Papaya, Maize | Rose, Hibiscus |
Unisexual flowers are those that contain either only the male organ (stamen) or only the female organ (pistil). Examples: Papaya, Watermelon, and Maize.
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