Assertion: Red algae contribute in producing coral reef. ltbr. Reason: Some red algae secrete and deposit calcium carbonate our their walls.

Assertion: Red algae contribute in producing coral reef. Reason: Some red algae secrete and deposit calcium carbonate on their walls.

Assertion: Red algae contribute in producing coral reef. Reason: Some red algae secrete and deposit calcium carbonate on their walls.

These questions consist of two statement each, printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following four responses. A. If both Assertion and Reason are true and Reason is a correct explanation of the Assertion. B. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion. C. If Assertion is true but Reason is false. D. If both Assertion and Reason are false. Assertion: Red algae contribute in producing coral reefs. Reason: Some red algae secrete and deposit calcium carbonate over their cell walls.

These questions consist of two statements each printed as Assertoin and Reason. While answering these questions, you are requied to choose any one of the following four responses. If both Assertion and Reason are true and Reason is correct explanation of Assertion If both Assertion and REason are true but Reason is not correct explanation of Assertion If Assertion is true but Reason is false If both Assertion and Reason are false Assertion: Red algae contribute in producing coral reefs. Reason: Some red algae secrete and deposite clacium carbonate over thier walls.

(A): Red algae contribute in producing coral reefs. ( R): Some red algae secrete and deposit calcium carbonate over their walls,

Of the following group which secrete and deposit calcium carbonate and appear like corals.

Of the following group which secrete and deposit calcium carbonate and appear like corals.

Of the following group which secrete and deposit calcium carbonate and appear like corals.

The red algae may secrete and deposite calcium carbonate and appear like corals. Common red alga is

Assertion: The cellwall of diatoms is indestructible. Reason: The cell wall of diatoms is embedded with calcium carbonates.