81.

When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as

• vexillary

• imbricate

• twisted

• twisted

Cuscuta is an example of

• ectoparasitism

• brood parasitism

• predation

• predation

• Allium

• Sesbania

• Petunia

• Petunia

Keel is the characteristic feature of flower of

• Tulip

• Indigofera

• Aloe

• Aloe

Perigynous flowers are found in

• guava

• cucumber

• China rose

• China rose

Leaves become modified into spines in

• Opuntia

• pea

• onion

• onion

The hilum is a scar on the 

• seed, where funicle was attached

• fruit, where it was attached to pedicel

• fruit, where style was present

• fruit, where style was present

The hilum is a scar on the

• seed, where funicle was attached

• fruit, where it was attached to pedicel

• fruit, where style was present

• fruit, where style was present

Flowers are zygomorphic on 

• Gulmohur

• tomato

• datura

• datura

The ovary is half inferior in flowers of 

• cucumber

• cotton

• guava

• guava