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Cellular Respiration

In an experim...

Question

In an experimental setup to show that co2 is released during respiration if the flask is air tight the germinating seed a get oxygen supply from where

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Solution

In an experiment to show the release of carbon dioxide during the process of respiration, the cotton wool plug present on the mouth of the conical flask allows the oxygen to get inside the flask.

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Q. A student is not getting the result for his experimental setup to show that germinating seeds release

C O_{2}

during respiration. Give two logical reasons for this.

Q. How does the use of KOH help to show

{C O}_{2}

is released during respiration in the germinating seed respiration experiment ?

Q. In the experiment to show that

C O_{2}

is released during respiration', the small test tube of KOH solution is suspended inside the conical flask to absorb the :
(a) air of the flask
(b) moisture of the flask
(c)

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(d)

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Why is limewater used in the experiment to prove that CO2 is produced during respiration in germinating seeds?

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(3) KOH solution
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