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What is ozone hole? What are the causes ...

What is ozone hole? What are the causes of fomration of ozone hole? Distinguish between autecology and synecology.

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UNITED BOOK HOUSE-2016 QUESTION PAPER-EXERCISE
  1. Distinguish between allogamy and xenogamy. Give an example of artifica...

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  2. Mention any three properties of Genetic code.

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  3. What do you mean by semi-conservative replication? Mention the followi...

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  4. What do you mean by semi-conservative replication? Mention the followi...

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  5. What do you mean by mutation, natural selection and reproductive isola...

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  6. State about the structure of DNA.

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  7. What are the components of honey? Name any one disease of honey-bee an...

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  8. What are objectives of animal breeding? What do you mean by artifical ...

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  9. Mention any three importances of Tissue culture.

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  10. What do you mean by single cell protein? Give example. What is Bio-for...

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  11. Describe in brief, how human inaulin, is produced by genetic Engineeri...

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  12. What do you mean by Bio-piracy? What is patent?

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  13. What is c-DNA? Mention the significance of it in biotechnology.

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  14. Write a short note on desert adaptions of animals.

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  15. Write a short note on adaptions of Xerophytes.

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  16. Describe in brief, with labelled diagram, the histological structure o...

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  17. Describe with labelled diagram the development of male gametophyte of ...

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  18. With the help of Griffith's experiment, explain the DNA is the genetic...

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  19. What is ozone hole? What are the causes of fomration of ozone hole? Di...

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  20. Distinguish between Genetic and species diversity. Describe the causes...

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