Concept:IITA is a well-known abbreviation in agriculture for a global research body based in Africa.
Explanation:IITA stands for the International Institute of Tropical Agriculture.
It is a leading centre for agricultural research in tropical regions.
Its work focuses on food security, improving crop yields, and sustainable farming.
The correct option uses the word "Institute", not "Institution".
It also combines "International" with "Tropical Agriculture" to form the exact full name.
Answer:International Institute of Tropical Agriculture.