A rare orchid species exhibits a highly specialized pollination mechanism. Its labellum mimics the pheromones and appearance of a specific female wasp species, attracting the males for pseudocopulation. Which of the following floral adaptations is LEAST likely to be observed in this orchid?
Abundant nectar production within the spur
Precise positioning of pollen packets (pollinia) for attachment to the male wasp
Flower color and shape closely resembling the female wasp
Flowering period synchronized with the mating season of the wasp
Related Questions
Hypogynous flowers are seen in
Plum
Rose
Pea
Peach
Among the given plants, which do NOT have stamens of uniform length in their flowers?
Salvia, mustard
Indigofera, Sesbania
Allium, Aloe
Gram, turnip
Hypogynous flowers are seen in
Plum
Rose
Pea
Peach
Aggregate fruit is found in
Ananas sativus
Annona squamosa
Artocarpus integrifolia
Pyrus malus
In a hypothetical plant species, the ovary is positioned below the attachment of other floral parts. What type of ovary is this?
Superior
Inferior
Perigynous
Epigynous
The ray florets of a sunflower have:
Inferior ovary
Ligulate and pistillate or neutral
Bisexual
Superior ovary
The arrangement of the ovules on the placentae developed from the central axis of the ovary is called
Parietal placentation
Axile placentation
Basal placentation
Marginal palcention
A student observes a flower that can be divided into several identical sections along any plane passing through its central axis. What type of symmetry does this flower exhibit?
Bilateral
Asymmetrical
Radial
Spiral
How many of the following plants have stamens with varying lengths within their flowers: Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundnut, radish, gram, and turnip?
2
3
4
5
An example of axile placentation is
Argemopne
Dianthus
Lemon
Marigold
