The award instituted to honor outstanding agricultural scientists is

The correct answer is: B. Borlaug Award

The Borlaug Award is an international award given to individuals who have made significant contributions to the advancement of agriculture. It was established in 1986 by the World Food Prize Foundation in honor of Norman Borlaug, who is considered the father of the Green Revolution. The award is given annually to a scientist, researcher, or leader who has made outstanding contributions to the world’s food supply.

The other options are incorrect for the following reasons:

• The Bhatnagar Award is an Indian award given to scientists and technologists in recognition of their outstanding contributions to science and technology.
• The Dadabhai Naoroji Award is an Indian award given to individuals who have made outstanding contributions to the fields of economics, commerce, and industry.
• The Arjuna Award is an Indian award given to sportspersons who have excelled in their respective fields.