Question

You might have conducted and experiment in your school laboratory to prove that CO₂ is essential for Photosynthesis. Raju, who is in 9th class, wanted to perform the same experiment.

He had some doubts regarding this experiment. Clarify them.

i) Prior to the experiment, the potted plant was kept in a dark room for a week. Why?

ii) KOH pellets were kept in the glass jar. Why?

iii) Write the apparatus used to perform this experiment.

iv) What will be the result, if the same experiment is conducted in dark?

Answer 1

1) To destarch the plant.

2) To absorb CO₂

3) Potted plant, wide mouthed transparent bottle, splitted cork.

4) Photosynthesis does not take place.