The greatest threat to genetic diverstiy in agricultural crops is :

Options

A. extensive use of insecticides and pesticides
B. extensive mixed cropping
C. introduction of high yielding varieties
D. extensive use of fertilisers

Answer

C

Explanation

Genetic diversity is the diversity in the number and types of genes as well as chromosomes present in different species and the variations in the genes and their alleles in the same species. Introduction of high yielding varieties is the greatest threat to genetic diversity in agricultural crops.