Which of the following is false regarding Cyanobacteria?

They are chemosynthetic autotrophs

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They often form blooms in polluted water bodies

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Anabaena is an example of this group

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They have chlorophyll - a similar to green plants

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Solution

The correct option is A
They are chemosynthetic autotrophs

They are photosynthetic autotrophs.

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Similar questions

Q. Assertion :Cyanobacteria are photosynthetic autotrophs. Reason: Cyanobacteria have chlorophyll a and b similar to green plants.

Q. Which among the following statements are correct?
A. Compared to many other organisms, bacteria as a group show the most extensive metabolic diversity
B. Mycoplasma die in the absence of oxygen
C. Cyanobacteria often form blooms in polluted water bodies
D. No pathogenic mycoplasmas have been found so far

Q. Which organisms among the following have chlorophyll that is similar to green plants?

Question 1
Which of the following statements about the autotrophs is incorrect?

(a) They synthesise carbohydrates from carbon dioxide and water in the presence of sunlight and chlorophyll.
(b) They store carbohydrates in the form of starch.
(c) They convert carbon dioxide and water into carbohydrates in the absence of sunlight.
(d) They constitute the first trophic level in food chains.

Q. Some plants are green and have chlorophyll, even then they feed on insects for their survival. Why?

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Which of the following is false regarding Cyanobacteria?

The correct option is A They are chemosynthetic autotrophs They are photosynthetic autotrophs.

The correct option is A
They are chemosynthetic autotrophs

They are photosynthetic autotrophs.