The term 'Tandem' refers to

A. Random selection of cattle

B. Control pregancy

C. Selection of good cows

D. Selection of one character at a time until it is improved by grading

Answer: Option D

Solution(By Examveda Team)

The term 'Tandem' refers to Selection of one character at a time until it is improved by grading.
Tandem is an arrangement in which a team of machines, animals or people are lined up one behind another, all facing in the same direction.