The filament of spirogyra were put into equal volumes of sugar solutions X and Y. After 5 minutes, filaments from solution X had their cells contents rounded up while those from Y were unaffected. The experiment shows that
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solution X was stronger than Y
- solution Y was stronger than X
- Spirogyra used up the sugar in solution X
- solution X is good for stimulating sexual reproduction in Spirogyra
- solution Y was less contaminated than X
The correct answer is: A
Explanation
Filament of spirogyra shrink in X - hypertonic medium( more concentration than cells interior), Filament of spirogyra unaffected in Y - Isotonic medium( same concentration)
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