CBSE Class 9 Answered

Explain briefly two ways which are used to improve crop varieties.

Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM

Expert Answer

(i) Hybridisation: It involves crop breeding of genetically dissimilar plants. The crossing may be intervarietal, interspecific or intergeneric.

(ii) Genetic engineering: It involves introduction of genes that would provide the desired characteristics. It forms genetically modified crops.

Answered by | 04 Jun, 2014, 03:23: PM

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