10th Class Science Solved Paper - Science-2016 Delhi Set-I

What is meant by speciation? List four factors that could lead to speciation. Which of these cannot be a major factor in the speciation of a self-pollinating plant species. Give reason to justify your answer.

Answer:

Specification is the process of formation of a new species from a pre-existing one. Factors leading to specification are:

(i) Genetic drift

(ii) Mutation

(iii) Natural selection

(iv) Geographical isolation

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10th Class Science Solved Paper - Science-2016 Delhi Set-I

question_answer What is meant by speciation? List four factors that could lead to speciation. Which of these cannot be a major factor in the speciation of a self-pollinating plant species. Give reason to justify your answer.

What is meant by speciation? List four factors that could lead to speciation. Which of these cannot be a major factor in the speciation of a self-pollinating plant species. Give reason to justify your answer.