Question

An organism lacking chlorophyll but able to carry on photosynthesis of organic matter has been found among which one of the following [CPMT 1984]
A) Bacteria
B) Fungi
C) Viruses
D) Bacteriophages

Answer 1

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Question

An organism lacking chlorophyll but able to carry on photosynthesis of organic matter has been found among which one of the following [CPMT 1984]

A) Bacteria

B) Fungi

C) Viruses

D) Bacteriophages

Answer

None of this above Cyanobacteria is your answer

Cyanobacteria are different in many important ways from other photosynthetic prokaryotes. Instead of the bacteriochlorophylls found in purple and green bacteria, blue-greens contain chlorophyll a, as in eukaryotic phototrophs, and, produce free oxygen as a byproduct of photosynthesis. Cyanobacteria, however, lack the organized chloroplasts of eukaryotes and have their photosynthetic apparatus distributed peripherally in the cytoplasm.

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Answer 2

Some types of bacteria are known to carry out photosynthesis despite the absence of chlorophyll

• Photosynthesis is an energy-generating process usually carried out using a photopigment called chlorophyll.
• Photosynthesis can be carried out without chlorophyll in certain types of bacteria.
• An example is the Halobacterium halobium which carries out photosynthesis using another light-sensitive pigment known as rhodopsin.
• Thus, (Option A) bacteria are a type of organism lacking chlorophyll but that is still able to carry on photosynthesis of organic matter.