Biology : Morphology of Flowering Plants

Perigynous flowers are found in

• guava

• cucumber

• China rose

• China rose

Whorled, simple leaves with reticulate venation are present in

• Calotropis

• Neem

• China rose

• China rose

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

Leaves become modified into spines in

• Opuntia

• pea

• onion

• onion

Ovary is half -inferior in the flowers of 

• guava

• plum

• brinjal

• brinjal

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

Which one of the following diagrams represents the placentation in Dianthus? 

In unilocular ovary with a single ovule, the placentation is 

• marginal

• basal

• free central 

• free central 

The ovary is half inferior in flowers of 

• cucumber

• cotton

• guava

• guava