Geotropical bending is found in:

Correct option is B

Geotropical bending refers to the curvature or bending of plant parts (like flower spikes) in response to gravity (geotropism).
Key Points:
· Gladiolus (Gladiolus spp.):
· Exhibits geotropical bending, especially in its flower spikes.
· If gladiolus spikes are not kept upright during development or post-harvest handling, they bend due to gravitational pull.
· The bending affects:
· Aesthetic appearance.
· Market quality (straight spikes are preferred for cut flower trade).
· Management:
· Growing with proper staking support.
· Keeping cut spikes vertical during storage and transport.
Other Options Explained:
· (a) Rose:
· Roses generally do not show geotropic bending in flowers or stems.
· (c) Chrysanthemum:
· Not prominently associated with geotropic bending of stems or flowers.
· (d) Sunflower:
· Shows heliotropism (movement toward sunlight) during the vegetative stage, not geotropism in the flower stalks.