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How chromosome number of a species becom...

How chromosome number of a species become constant in meiosis cell division?

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UNITED BOOK HOUSE-GHORANASH HIGH SCHOOL PAPER-EXERCISE
  1. How adrinaline hormone ready our body for emergency?

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  2. Show with a line diagram how the change in accomodation in your eye ha...

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  3. How chromosome number of a species become constant in meiosis cell div...

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  4. Write one merit and one demerit of self pollination.

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  5. How micro propagation takes place?

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  6. Name two organs that become detected by thalassemia.

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  7. What is the relation between phenotype and genotype?

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  8. If two round and curly seed peaplats are crossed then what will be the...

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  9. name the reactants and produced organic compounds that forms in Miller...

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  10. Write in sequence the names of four main fossils ancesters during the...

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  11. Evaluate what Darwin explains 'fittest' in survival of the fittest?

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  12. What incidents take place in nitrogen cycle?

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  13. Write one cause and one symptom of lung cancer.

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  14. Give two example- Increasing human population causes loss of biodivers...

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  15. What is PBR in biodiversity.

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  16. Draw a neat diagram of the cross section of human eye and label the fo...

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  17. Draw a neat diagram of an ideal eukarytic chromosome and label the fol...

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  18. Show with the diagram- Fertilization of flowering plant. How DNA is fo...

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  19. Write down the name of four type of chromosome in the basis of the pos...

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  20. Explain with a checkerboard' why incomplete dominance is an exception ...

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