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Guard cells help in...

Guard cells help in

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Help in opening and closing of stomata to regulate the rate of transpiration
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ICSE-SAMPLE QUESTION PAPER -5-SECTION-II
  1. Guard cells help in

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  2. The diagram given below represents an organ system in the human body. ...

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  3. Give biological reason for the following : On sprinkling common salt...

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  4. Comment upon the following : Wilted lettuce becomes crisp/firm when ...

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  5. Gametes have a haploid number of chromosomes.

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  6. Account for the following briefly : Herbaceous plants growing in wel...

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  7. Give reasons : Plants begin to die when excess of soluble fertilizer...

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  8. Given below is an experimental set-up to study a particular process: ...

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

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  10. Study the diagrams given below and answer the questions tht follow: ...

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  11. The following paragraph is related to absorption of water from the soi...

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  12. The figure given below represents an experiment to demonstrate a parti...

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  13. Match the items givenn in Column A with the most appropriate ones in C...

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  14. Given alongside is a diagram of the human heart showing its internal s...

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  15. Differentiate between the following pair on the basis of what is menti...

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  16. Differentiate between the following pair on the basis of what is menti...

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  17. Differentiate between : Testosterone and Oestrogen (organ which s...

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  18. Differentiate between the following pair on the basis of what is menti...

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  19. Differentiate between the following pairs on the basis of what is ment...

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  20. Study the diagram given below which represents a stage during the mito...

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  21. How does the arrangement of neurons in the spinal cord differ from tha...

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