Assertion :Red colour of Rhodophyta is due to abundant formation of r-phycoerythrin. Reason: r-Phycoerythrin is able to absorb blue green wavelength of light and reflect red colour.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
The red colour of red algae (Rhodophyta) is due to the abundant formation of r-phycoerythrin which is a red colour pigment. Phycoerythrin absorbs blue-green wavelengths of light and reflects red light and thus imparts a red colour to algae.
So the correct option is A.

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