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Give reason for the following Green le...

Give reason for the following
Green leaves are thin and broad.

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Green leaves are thin and broad so as,tp^provide the large surface area for trapping light and easy gaseous exchange for photosynthesis, to occur.
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ICSE-SAMPLE QUESTION PAPER 3-SECTION-II
  1. Give reason for the following Green leaves are thin and broad.

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  2. The given diagram shows a stage during mitotic division in an animal c...

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  3. State the main function of: (i) Erythrocytes (ii) Lymph (iii) N...

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  4. The figures given below are crose-coctions of blood vessels Ident...

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  5. Explain the following term : Osmosis

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  6. Explain the following term : Turgor pressure.

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  7. Explain the term root pressure.

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  8. State whether true or false. Rewrite the false statements in their cor...

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  9. Define the following Photophosphorylation.

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  10. A candidate in order to study the process of osmosis has taken 3 potat...

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  11. Name the following: The respiratory pigment present in erythrocytes...

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  12. The phase of cardiac cycle in which the auricles contract.

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  13. The blood vessel which carries oxygenated blood to the liver.

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  14. Name the following: The vein that carries oxygenated blood.

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  15. Covering of the lungs is called

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  16. The diagram given below shows a section of a human kidney. Study the d...

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  17. Match the items given in Column A with the most appropriate ones in Co...

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  18. The diagram given below is an experiment conducted to study a factor n...

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  19. What do the following abbreviations stand for : (i) AMP (ii) ADP (i...

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  20. The following diagram represents the human brain as seen in an externa...

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  21. Account for the following briefly : Herbaceous plants growing in we...

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