NEET BIOLOGY

Detailed explanation-1: -A flower that only has stamen or carpels is said to be “unisexual". The flowers of the cucumber plant are unisexual. Flowers of onion, pea and china rose plants are bisexual.

Detailed explanation-2: -Unisexual flowers: Coconut flowers, Papaya, Watermelon, Cucumber, Maize, White mulberry, Musk melon, Castor bean, Marrow, Luffa, Snake gourd, Bitter gourd, Tapioca, Pumpkin, American holly, Birch, Pine, Gopher purge, Tungoil bean.

Detailed explanation-3: -This is seen in flowers of onion, pea, China rose, etc. When the stamens are present in a different flower than pistil, the flowers become unisexual.

Detailed explanation-4: -Cucurbitaceae is a large plant family of species that display mostly unisexual flowers.

Detailed explanation-5: -Cucumber is monoecious, not dioecious. Monoecious plants have male and female flowers on the same plant or have flowers that contain both male and female reproductive components. Birch, hazelnut, oak, pine, spruce, corn, and squash are all monoecious plants.