Question

Coral polyps are about-lived microscopic organism which live in colonies. They

flourish in shallow mud free and warm waters. They secrete calcium carbonate. The

coral secretion and their skeletons from coral deposits in the form of reefs: They are

mainly of three kinds: barrier reef fringing reef and atolls. The Great Barrier Reefs of

Australia is a good example of the first kind of coral reefs. Atolls are circular or horses

shoe shaped coral reefs.

Answer the following questions.

24.1 Write different types of coral reefs.

24.2 What is the meaning of ‘Colonies’ mentioned in the paragraph.

24.4 Give an example of coral reef from India.

24.4 What are reefs?​

Answer 1

Answer:

1) 3 types - barrier reef, fringing reef and atolls

2) colonies is the place where corals can be found

3) fringing reef

reefs are the different types of corals

Answer 2

Answer:

1.The three main types of coral reefs are fringing, barrier, and atoll.

2.Coral polyps are about-lived microscopic organism which live in colonies.

3.Australia is a good example of the first kind of coral reefs.

4.A reef is a shoal of rock, coral or similar material, lying beneath the surface of water. Many reefs result from natural, abiotic processes—deposition of sand,