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

If both assertion and reason are true and reason is the correct explanation of assertion.

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If both assertion and reason are true but reason is not the correct explanation of assertion.

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If assertion is true but reason is false.

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If both assertion and reason are false.

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Solution

The correct option is C If assertion is true but reason is false.
Cyanobacteria (blue-green algae) have chlorophyll and do photosynthesis. As they make their own food thus, they are autotrophs. For photosynthesis, cyanobacteria have only chlorophyll a. Therefore, the assertion is true but the reason is false. So, the correct answer is (C).

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Similar questions

\to τ = \to r \times \to F b u t \to τ \neq \to F \times \to r .

Read the assertion and reason carefully to mark the correct option out of the options given below :

(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.

(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.

(d) If the assertion and reason both are false.

(e) If assertion is false but reason is true.

Assertion: Acetic acid does not undergo haloform reaction.

Reason: Acetic acid has no alpha hydrogens.

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