In which flower stamens are syngenesious i.e., anthers are fused and filaments are free from each other is observed?
1. Ray florets of sunflower
2. Hibiscus rosa-sinensis
3. Disc florets of sunflower
4. Neutral florets of sunflower
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(A) Pentacarpellary gynoecium.
(B) Monadelphous androecium with numerous stamens.
(C) Locule has one to numerous ovule in the gynoecium
Consider the above characteristics and choose the flower which shows them:
1. Triticum
2. Oryza sativa
3. Gossypium
4. Chrysanthemum
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When the anthers are fused with one another but filaments are free, this condition of stamen is known as:
1. Adnate
2. Versatile
3. Syngenesious
4. Dorsifixed
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Tetramerous flowers having bicarpellary, syncarpous, superior ovary which is unilocular in the beginning, but becomes bilocular later, owing to the formation of pseudoseptum called replum are the salient features of the family:
1. Leguminosae
2. Malvaceae
3. Solanaceae
4. Cruciferae
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Calyx is often modified into a pappus and syngenesious stamens. These are characteristic features of the family:
1. Malvaceae
2. Compositae
3. Caesalpinioideae
4. Liliaceae
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