why is it necessary to destarch a plant before performing an experiment on photosynthesis
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We test for the presence of starch in leaves in order to determine that photosynthesis has occurred. Glucose - the product of photosynthesis - is rapidly converted into starch for storage in the chloroplast and cytoplasm.
When investigating whether a condition (or a factor) is necessary for photosynthesis is to occur we need to remove all traces of starch in leaves so that we can provide evidence that photosynthesis takes place during the experiment i.e. in the presence of this factor and not in its absence.
If starch is already present at the beginning of the experiment the results will not be accurate. Hence, it is important to start off with a plant without starch. This is accomplished by de-starching the leaves of a plant.
I hope this will help u out
When investigating whether a condition (or a factor) is necessary for photosynthesis is to occur we need to remove all traces of starch in leaves so that we can provide evidence that photosynthesis takes place during the experiment i.e. in the presence of this factor and not in its absence.
If starch is already present at the beginning of the experiment the results will not be accurate. Hence, it is important to start off with a plant without starch. This is accomplished by de-starching the leaves of a plant.
I hope this will help u out
Answered by
2
- It is necessary to destarch a plant before performing any experiment on photosynthesis.
- For destarching we should keep the plant in the dark place for few days for the removal of starch from the leaves.
- Therefore, we can get better results from related experiment.
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