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29/10/2020 1:32 pm
Topic starter
Assertion: Red algae contributes in producing coral reefs.
Reason: Some red algae secrete and deposit calcium carbonate over their walls.
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
(b) If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.
(c) If Assertion is correct but Reason is incorrect.
(d) If both the Assertion and Reason are incorrect.
1 Answer
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29/10/2020 1:33 pm
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
Explanation:
Red algae generally grow attached to rocky stones. Some deep water red algae are calcareous and build up hard stony thali responsible for the production of lime stones and coral reefs.