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State two importance of airsac in pigeon...

State two importance of airsac in pigeon.

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UNITED BOOK HOUSE-GHORANASH HIGH SCHOOL PAPER-EXERCISE
  1. Write in sequence the names of four main fossils ancesters during the...

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

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  3. What incidents take place in nitrogen cycle?

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

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

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  6. What is PBR in biodiversity.

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

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

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

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

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

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  12. Show with a checker board the possibility of haemophilia in son and da...

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  13. Discuss how homologous organ and analogous organ help in evolution. Ho...

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  14. State two importance of airsac in pigeon.

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  15. State two harmful effects of water pollution on human health.

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  16. Analyze the role of biodiversity based on the following subject in hum...

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  17. Write down the role of biodiversity for the following- Preparation o...

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  18. Mention the roles of biodiversity in the following two aspects in the ...

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  19. Write differences between ex-situ and in-situ conservation. What are m...

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  20. Write down three functions of JFM in the recovery of the ecosystme. Na...

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