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What are porins? What role do they play ...

What are porins? What role do they play in diffusion?

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CBSE COMPLEMENTARY MATERIAL-PRACTICE PAPER 2-SECTION ‘B’
  1. What are trichomes? Mention their function.

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  2. Differentiate between simple epithelium and compound epithelium.

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  3. Based on the position of the centromere classify the chromosomes into ...

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  4. How does temperature and pH affect activity of enzyme ?

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  5. Write functions of chloroplast and mitochondria.

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  6. Draw a neat labelled diagram of the duct system of liver, gall bladder...

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  7. Explain with suitable examples the different types of phyllotaxy?

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  8. What are the assumptions made during the calculation of net gain of AT...

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  9. Write at least six differences between Mitosis and meiosis process.

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  10. What are the main steps in aerobic respiration? Where does it take pla...

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  11. Write scientific term for Exchange of genetic material between two ho...

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  12. Write scientific term for Point at which two sister chromotids are hel...

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  13. Write scientific term for Nuclear division in mitosis

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  14. Write scientific term for Inactive stage shown by the cells which don...

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  15. Write scientific term for Division of cell (cytokinesis) in animal ce...

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  16. Write the hormone produced by endocrine gland (a) Thyroid (b) pancr...

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  17. Describe transpiration pull model of water transport in plants. What a...

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  18. What are porins? What role do they play in diffusion?

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