The microorganism known as pond scum is autotrophic due to the presence of
A
Carotene
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B
Chlorophyll
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C
Melanin
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D
None of the above
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Solution
The correct option is B Chlorophyll Pond scum is a massive growth of algae on the surface of the pond or any stagnant water source. They are autotrophic in nature due to the green compound present which helps in photosynthesis, these pigments are called chlorophyll.