Questions
Read the following statements and select the correct options that are true for cyanobacteria :
(A) The colonies are generally surrounded by gelatinous sheath.
(B) They form blooms in polluted water bodies.
(C) They show nitrogenase activity in heterocyst.
(D) They perform oxygenic photosynthesis in vegetative cell only.
detailed solution
Correct option is D
The colonies of cyanobacteria are generally surrounded by gelatinous sheath. They often form blooms in polluted water bodies. Some of these organisms can fix atmospheric nitrogen in specialised cells called heterocysts, e.g., Nostoc and Anabaena. They perform oxygenic photosynthesis in vegetative cells only.Talk to our academic expert!
Similar Questions
Read the following statements and identify the organisms.
(a) They have chlorophyll a similar to green plants.
(b) They often form blooms in polluted water bodies.
(c) They can fix atmospheric nitrogen.
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