Explain structure of stamen.

Match the following

How many plants in the list given below have marginal placentation; Mustard, Gram, Tulip, Asparagus, Arhar, Sun hemp, Chilli, Colchicum, Onion, Moong, Pea,Tobacco, Lupin

Define the following terms:

Placentation

Consider the following statements

$I$.In racemose inflorescence, the flowers are brone in a basipetal order:

$II$.Epigynous flowers are seen in rose plant.  $III$.In brinjal, the ovary is superior:

Of these statements