Q. The greatest threat to genetic diversity in agricultural crops is
A) Extensive use of insecticides and pesticides
B) Extensive mixed cropping
C) Introduction of high yielding varieties
D) Extensive use of fertilizers
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.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.