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A Plant called X possesses small flower ...

A Plant called X possesses small flower with reduced perianth and versatile anther . The probable agent for pollination would be

A

Water

B

Air

C

Butterflies

D

Beetles

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imagine the structure of pollen grain of a sweet scented small flower and the structure of ovule . From the appearance of the pollen grain . (a) Identify the agent of pollination . (b) During fertilization what will be the contribution of the pollen grain in the female gametophyte ?

When pollination involves two flowers borne on the same plant , it is called as cross-pollination.

Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called

When pollen grains of a flower, pollinate the stigma of another flower of the same plant, it is called

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Assertion : Although geitonogamy is functionally crosspollination involving a pollinating agent, genetically it is similar to autogamy. Reason : In geitonogamy, pollen grains from the anthers of one flower are transferred to the sigma of another flower borne on the same plant.

SARAS PUBLICATION-APPLICATION OF BIOTECHNOLOGY-EXERCISE
  1. A Plant called X possesses small flower with reduced perianth and vers...

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  2. The first clinical gene therapy was done for the treatment of

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  3. Dolly, the sheep was obtained by a technique known as

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  4. The amino acid content of insulin is

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  5. What was the first pharmaceutical product of recombinant DNA technolog...

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  6. Which one the following cannot be detected by ELISA?

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  7. What is genetically engineered insulin ?

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  8. Explain how "Rosie" is different from a normal cow.

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  9. Gene therapy is an attempt to correct a Genetic defect by providing a ...

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  10. What are DNA vaccines ?

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  11. Can RNA be amplified by PCR? Give reason for your answer.

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  12. Where do genetically modified organisms play a positive role in develo...

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  13. What are stem cells? Explain their role in the field of medicine.

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  14. What are stem cells? Explain their role in the field of medicine.

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  15. Explain why cloning of Dolly, the sheep was such a major scientific br...

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  16. What are transgenic animals?

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  17. Give some example for transgenic animals.

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  18. How does recombinant DNA technology help in treating haemophilia patie...

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  19. Write a short note on interferons.

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  20. Expand ELISA.

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  21. Name the different ELISA methods.

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