Plant species having a wide range o...

Plant species having a wide range of genetical distribution evolve into a local population know as

Ecotype

Biome

Ecosytem

popultaion

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a. The following are the important steps in plant breeding for developing a new plant variety. List them in the correct order: i. Seed multiplication ii. Release of a variety iii. Distribution iv. Evaluation v. Creation of genetic variation vi. Selection b. In spite of the proper application of fertilizers, irrigation and pest and disease control the yield, quality and disease and pest resistance of a self pollinated crop variety is decreasing generation after generation. Suggest a possible reason for this experience. Hint: The farmer is using seed collected from his own field for raising successive crops.

Assertion : One of the most important traditional uses of sacred groves was that they acted as a repository for various ayurvediv medicines. Reason : In modern times , sacred groves have become biodiversity rich areas, as they provide refuge to various plant and animal species of conservation significance. (a) If both assertion and reason are true and reason is the correct explanation of assertion. (b) If both assertion and reason are true but reason is not the correct explanation of assertion. (c) If assertion is true but reason is false. (d) If both assertion and reason are false.

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