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Test for Air/Oxygen

A student is ...

Question

A student is not getting the results for its experimental set-up to show that germinating seeds release $C O_{2}$ during respiration. What could be the reason for this?

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Solution

The possible reason for this is the absence of KOH in the experiment. KOH is responsible for absorbing the CO2 released during this experiment.

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Similar questions

Q. A student sets up the apparatus for the experiment to show that

C O_{2}

is released during
respiration. After two hours he would observe :

Q. How does the use of KOH help to show

{C O}_{2}

is released during respiration in the germinating seed respiration experiment ?

Q. The most appropriate reason for taking germinating seeds in the experiment to show that carbon dioxide is produced during respiration, is :
(1) germinating seeds create high temperature
(2) germinating seeds are easy to handle
(3) germinating seeds are living things
(4) germinating seeds are in dormant to state

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

Q. An experimental set-up to demonstrate respiration in germinating seeds is shown here. It is observed that water from the beaker has not risen into the delivery tube (bent tube). This is because :

(1) the set-up is airtight
(2) the beaker has coloured water
(3) carbon dioxide is not being absorbed
(4) no oxygen is available to seeds for respiration

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Test for Air/Oxygen

Standard IX Biology

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