Which of the following can photosynthesize at low temperatures?
A
Bacteria
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B
Lichen
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C
Virus
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D
Fungi
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Solution
The correct option is B Lichen Lichen is a symbiotic partnership between algae and fungi in which the algal partner despite not having roots to absorb water and nutrients can produce their own food by photosynthesis even at temperatures as low as -24∘C. Mostly all bacteria do not photosynthesize. Some exceptions are Cyanobacteria which is a photosynthetic bacteria. Viruses are non-photosynthetic in nature. Fungi are heterotrophic in nature due to the absence of chlorophyll.