In India,the earliest work in the field of plant breeding was initiated by

Which is the oldest method of plant breeding for crop improvement?

Which of the following is an inconsistent trait for plant breeding?

In a plant breeding program,what is the entire collection of plants/seeds having all the diverse alleles for all genes in a given crop called?

$A$ and $B$ were crossed to obtain sugarcane varieties having desirable qualities and the ability to grow in the sugarcane areas of North India. The most appropriate option for $A$ and $B$ is:

Which of the following is one of the most important reasons why wild varieties of plants should be preserved?