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6. Given below is the diagram of an experimental set-up
6. Given below is the diagram of an experimental set-up
Biology | Class 10 | ICSE | Photosynthesis | Selina
6. Given below is the diagram of an experimental set-up

(a) What is objective of this experiment?

(b) Will it work satisfactorily? Give reason.

(c) What alteration(s) will you make in it for obtaining expected result?

(d) Would you take any step before starting the experiment? Describe this step and explain its necessity.

Solution –

  • What is objective of this experiment?

 To describe the importance of carbon dioxide in the photosynthesis.

  • Will it work satisfactorily? Give reason.

No , because the experiment contains lime water which does not absorbs carbon dioxide

  • What alteration(s) will you make in it for obtaining expected result?

Lime water will be replaced by potassium hydroxide as it absorbs carbon dioxide

  • Would you take any step before starting the experiment? Describe this step and explain its necessity.

Yes , before starting the experiment the plant is placed in dark for 24 – 48 hours so as to remove the starch from the leaves .

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