A. Andrology is study of male reproductive organ.

B. Agrology is study of grass.

C. Angiology is study of blood vascular system including arteries and veins.

D. Agronomy is science of soil management and production of crop.

Choose the Most appropriate answer from the options given below:

A, C and D only

The correct answer is Option (4) – A, C and D only

The most appropriate answer from the options given below is:

• Andrology is indeed the study of male reproductive organs.
• Agrology is not a commonly recognized term, and the correct term for the study of grass is "Agrostology."
• Angiology is the branch of medical science that deals with the study of the blood vascular system, including arteries and veins.
• Agronomy is the science and practice of soil management and crop production.