Which of the following combinations of floral whorls is ALWAYS present in a complete flower, irrespective of its symmetry or sexuality?
Calyx, corolla, androecium, and gynoecium
Calyx and corolla only
Androecium and gynoecium only
Calyx, corolla, and androecium only
Related Questions
Which floral characteristic is NOT associated with a plant having diadelphous stamens and vexillary aestivation?
Trimerous flowers
Five petals
Zygomorphic symmetry
A single carpel
Which of the following floral structures is characteristically diadelphous in the pea plant ( Pisum sativum)?
Petals
Stamens
Sepals
Carpels
How many of the given plants have zygomorphic flowers?
Mustard, Datura, Chilli, Gulmohur, Bean
Four
Three
Two
One
A flower with nine stamens fused together in one bundle and one stamen free is likely to belong to which plant family?
Rosaceae
Solanaceae
Fabaceae
Liliaceae
In the flowers of a plant, the ovarian part is fused, but styles and stigmas are free. Its ovary becomes unilocular due to breakdown of partition wall and the ovules are attached to a central axis. Identify the plant.
Dianthus
Abutilon
Nymphaea
Michelia
How many of the given plants have actinomorphic and zygomorphic flowers, respectively? Mustard, Gulmohur, Canna, Cassia, Datura, Pea
2 and 3
3 and 2
2 and 4
4 and 2
Which of the following plants exhibits parietal placentation?
Primrose
Sunflower
Mustard
Dianthus
Dianthus, a member of the Caryophyllaceae family, exhibits which of the following placentation types?
Axile
Parietal
Free-central
Basal
A raceme inflorescence of Tamarindus bears 15 flowers. Each fertile anther lobe of its flower contains 215 pollen grains. What would be the total number of pollen grains produced by the inflorescence?
19350
3225
6450
9675
A flower exhibits a pentamerous, actinomorphic perianth, a syncarpous gynoecium with a superior ovary, and ten stamens in two whorls. Which of the following floral formulas BEST represents this flower?
โถK5C5A5+5G(5)
โถK(5)C(5)A10G5
โK5C5A10G(5)
โถK5C5A(5+5)G5