Which two signs should be interchanged to make the given

A person with phenylketonuria cannot convert

INM comprises of 

Which of the following disease is easily recognized by the appearance of long whip-like shoots covered with dusty black mass of spores? 

Cropping pattern is referred to the

The internally seed borne disease can be prevented by ___

The indicator plant used for citrus greening is

What is the reducing disaccharide found in germinating cereal and malt, which forms osazone with phenylhydrazine and is fermentable by yeast?

First report of Nematode associated with a plant diseases was observed by

A cross between two inbreds by reversing the orders of male and female parent is called?