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Explain convergent and divergent evoluti...

Explain convergent and divergent evolution with the help of one example of each.

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**Step-by-Step Solution:** 1. **Definition of Evolution**: Evolution refers to the process through which species change over time due to environmental pressures, leading to variations that enhance adaptation. 2. **Convergent Evolution**: - **Definition**: Convergent evolution occurs when different species evolve similar traits or structures independently, often because they adapt to similar environments or ecological niches. - **Characteristics**: ...
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XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII BOARDS-SECTION-C
  1. During the studies on genes in Drosopila that were sex-linked T.H. Mor...

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  2. Describe the initiation process of transcription in Bacteria.

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  3. Explain convergent and divergent evolution with the help of one exampl...

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  4. Name the type of human cell HIV attacks on its entry into the body. Ex...

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  5. Explain the efforts which must be put in to improve, hygiene and milk ...

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  6. Identify a, b, c, d, e and f in the table given below :

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  7. Eco RI is used to cut a segment of foreign DNA and that of a vector DN...

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  8. How does RNA interference help in developing resistance in tobacco pla...

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  9. Describe the elongation process transcription in bacteria.

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  10. Why is an antibody molecule represented as H(2)L(2) ?

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  11. (a) Explain how to overcome inbreeding depression in cattle. (b) Lis...

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  12. Draw the following diagrams related to human reproduction and label th...

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  13. a) List the three stages the annuals and biennial angiosperms have to ...

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  14. Draw a labelled sectional view of seminiferous tubule of a human male.

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  15. During a medical investigation, an infant was found to possess an extr...

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  16. A number of passengers were severely burnt beyond recognition during a...

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  17. If p^(2)+2pq+q^(2)=1. Explain this algebraic equation on the basis of ...

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  18. a) What precautions(s) would you recommend to a patient requiring repe...

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  19. a) What is inbreeding depression? b) Explain the importance of "sele...

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  20. Describe how do 'flocs' and 'activated sludge' help in Sewage Treatmen...

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