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Discuss based on inner structure why hum...

Discuss based on inner structure why human hand and the wing of bird is called homologous organ.

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[A]: Homologous organs have similar structure but different functions. [R]: It is believed that homologous structures were created for different purposes and their present function is secondarily achieved out of necessity

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UNITED BOOK HOUSE-RAMESH MITTER GIRLS SCHOOL PAPER-EXERCISE
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  2. Determine what conclusions can be drawn from the Miller and Urey’s ex...

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  3. What do you mean by inheritance of acquired characters.

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  4. Explain how waggle dance helps bee to communicate with each other.

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  5. Write down what conditions to consider if a forest is declared as biod...

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  6. Determine what type of pollution is responsible for the following dise...

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  7. Establish a workplace relationship with bronchitis and lung cancer.

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  8. Evaluate what are the impacts on climate and ecosystem if a forest is ...

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  9. Draw a neat diagram of the cross section of eyeballof human eye and la...

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  10. Draw a neat diagram of morphology of eukaryotic chromosome and label t...

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  11. Describe the double fertilization in flowering plant.

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  12. Explain the process ofamitosis cell division . Describe the importance...

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  13. Explain why all the plants become tall in F1 generation of Mendel’s mo...

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  14. What is the relation between phenotype and genotype?

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  15. Discuss based on inner structure why human hand and the wing of bird i...

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  16. Explain the role of swim bladder of rohu fish in aquatic adaptation.

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  17. Describe the nitrogen fixation process by micro organisms in soil. One...

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  18. You see an one homed rhinoceros, when travel in Jaldapara National par...

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  19. Analyze what effects can occur on environment while making fire at roa...

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  20. Describe nitrogen cycle with a word diagram.

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