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Get Answers to all your Questions
Why cross pollination is better than self pollination?
Defend against diseases
Variation in species
New traits to the plant
All of the above
Answers (1)
Because it results in species diversity, cross-pollination is preferred. No mutations result from self-pollination. Variation gives the plant new qualities that can be beneficial to it. For instance, it aids the developing plant's immunity against disease. Hence option 4 is the correct answer.
Explanation for the incorrect options :
Option 1 is incorrect because cross-pollination is the exchange of pollen grains between plants that have distinct genetic make-ups. Cross-pollination results in the generation of genetically varied progeny that are better able to fend off pests and illnesses.
Option 2 is incorrect because of species variety: When two distinct individuals' genetic material is combined through cross-pollination, more variance is present in the progeny than when the process occurs naturally. As a result of this variety, new characteristics or trait combinations may emerge that may be more suited to adapt to shifting environmental conditions.
Option 3 is incorrect because the plant acquires new qualities: Cross-pollinated plants are more likely to generate offspring with favorable features than self-pollinated plants. By choosing and crossing plants with desired qualities, new types of crops may be generated, making cross-pollination a crucial technique in plant breeding programs.
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