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What si an ecosystem ?...

What si an ecosystem ?

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CPC CAMBRIDGE PUBLICATION-PRACTICE QUESTION PAPER -12-ANSWER THE FOLLOWING QUESTION
  1. What is grafting ?

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  2. Name some devices in which electric moters are used ?

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  3. What si an ecosystem ?

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  4. How is the movement of leaves of a sensitive plant different from the ...

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  5. What is hydrogenation ?

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  6. What is resistance of a conductor ? Mention the factors on whic...

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  7. Draw a diagram of a hypermetropic eye and correction for hypermet...

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  8. What is oxidation ? What are oxidisizing agents and give example .

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  9. Draw a diagram of structure of neuron label the following parts ...

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  10. Describe general properties of ionic compounds.

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  11. Explain the process of determination in human beings .

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  12. Draw the diagram of a simple electric generator. Label the following p...

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  13. I) what is biogas ? Name two main combustible components of b...

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  14. What are the limitations of extracting energy from : I ) The Win...

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  15. (i) How does overload and short-circuit occur in an electric circui...

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  16. a) what is meant by analagous organs ? b) Define variation i...

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  17. How can you as an individual contribute or make a difference to the ma...

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  18. a ) Human blood has pH value of 7.3 what does it indicate abou...

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  19. What happens to the image distance in the eye when we increase the dis...

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  20. a) What will happen plants is exposed to unidirectional light ....

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