Question

High-yielding varieties of crops are developed by ____________.

Answer 1

Hybridization:

1. Selective breeding between organisms of two varieties having different desired characters to produce a new variety with all the desired characters is called hybridization.
2. Mule is an example for hybrid animal as it is produced by a cross between a horse and a donkey.
3. Liger, the offspring of a tiger and a lion, is another animal hybrid.
4. In plants, hybridization is relatively common and several plant hybrids are produced through natural means or by assisted breeding.

Final answer: High-yielding varieties of crops are developed by Hybridization.