A beaker is filled with water and twigs of Hydrilla are inserted in the funnel so that the cut ends are in the tube of the funnel and the funnel is put in the water. Then a test tube full of water is inverted over the inverted funnel. Air bubbles from the plant collect at the tip of the tube. This experiment demonstrates that oxygen is evolved during photosynthesis. But, if boiled water is used instead of pond water in which Hydrilla grows, then?

Air bubbles are not produced

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Air bubbles are produced in large numbers

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Only a few air bubbles are produced

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Only one air bubble is produced

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Solution

The correct option is A Air bubbles are not produced
If boiled water is used in the test tube, there will be no air bubbles. This is hydrilla cannot survive the high temperature of boiled water.
So, option A is the correct answer.

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The correct option is A Air bubbles are not producedIf boiled water is used in the test tube, there will be no air bubbles. This is hydrilla cannot survive the high temperature of boiled water. So, option A is the correct answer.

The correct option is A Air bubbles are not produced
If boiled water is used in the test tube, there will be no air bubbles. This is hydrilla cannot survive the high temperature of boiled water.
So, option A is the correct answer.