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Identify A, B, C, D, E and F in the tabl...

Identify A, B, C, D, E and F in the table given below :

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XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII BOARDS-COMPTT
  1. (a) What is an "allergic reaction"? (b) Name any two drugs used to q...

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  2. Identify a, b, c,d,e and f in the following table :

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  3. List any two types of IUDs that are available for human females and st...

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  4. Mention the rule of (i) selectable marker, (ii) Ori and (iii) rop in E...

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  5. Write the aim with which animal breeding programmes are carried. Descr...

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  6. Draw a diagram of sectional view of human ovary and label (i) Primary ...

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  7. (a) Draw a diagram of Pistil showing pollen tube growth in angiosperm...

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  8. What was the challenge for production of insulin using rDNA techniques...

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  9. Identify A, B, C, D, E and F in the table given below :

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  10. Name the organism from which the 'cry' genes are isolated. Mention wit...

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  11. Excessive and continous use of pesticides has resulted in evolution of...

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  12. Explain with the help of two examples how certain plants have evolved ...

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  13. What type of organs eye of an Octopus and that of a human called? Give...

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  14. With the revolution in information technology, now it has become an in...

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  15. (a) Explain the steps involved in in-vitro fertilisation popularly kno...

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  16. (a) State one difference and one similarity between geitonogamy and ...

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  17. (a) Hershey and Chase carried their experiment in three steps : infect...

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  18. Taking an example of white-winged moths and dark-winged moths of Engla...

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  19. (a) Write the percentage of land area that was covered by forests by t...

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  20. (a) Comment on the pattern in which all communities undergo a change i...

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