Which of the following is a tropical

Which of the following causes Black scurf of potato ?

In tile drainage, when the tiles arranged from one side only it is known as

What regulates the flow of food from the foregut to the midgut in insects?

The innermost layer of the human gut wall is: 

Cotton belongs to the family:

Which among the following is a major constraint in the rice–wheat system of Indo-Gangetic plains affecting long-term sustainability?

The process of judicious removal of parts like leaves, flowers, and fruits to obtain good and qualitative yield is called:

Pusa majesty is a variety of :

Wax layer is present in:

Sweet potato is classified botanically as which type of modified plant organ?