Question

Genetic diversity in agricultural crops is threatened by

(a) introduction of high yielding varieties

(b) intensive use of fertilizers

(c) extensive intercropping

(d) intensive use of biopesticides

Answer 1

Correct option (a) introduction of high yielding varieties

Explanation :

Genetic diversity in agricultural crops is threatenead by introduction of high yielding variations. Introduction of high yield varieties is the major threat to the genetic diversity in agricultural crops. This would eliminate other crop type/variety from the pool.