Onion belongs to the family .........

To which family does $Ricinus$ $communis$ belong?

$Iberis$ is commonly known as .........

Persistent calyx is a characteristic feature of .........

In the Bentham and Hooker system of classification, the position of certain families like Ceratophyllaceae, Callitrichaceae, and Empetraceae is uncertain, and these unrelated families are placed in a group called "Ordines anomali". This group is included in:

The common names of organisms and their respective families are given below. Identify the mismatched pair.