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Important Questions

Coral Reefs

ICSE · Class 11 · Geography

Most important questions from Coral Reefs for ICSE Class 11 Geography board exam 2026. MCQs, short answer, and long answer questions with marks.

65 questions22 flashcards5 concepts

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65 Questions·
multiple choicemultiple correcttrue false

Sample Questions

1multiple choice
1 marks

How do coral polyps usually live?

Show answer

In colonies

Coral polyps have a tendency to live in colonies.

2multiple choice
1 marks

What happens to the skeletons of dead coral polyps?

Show answer

They settle down on the sea floor

When the polyps die, their skeletons settle on the sea floor.

3multiple choice
1 marks

What is formed when the skeletons of many generations of polyps accumulate over time?

Show answer

A coral reef

New generations of polyps add skeletons over old ones, building coral reefs over time.

4multiple choice
1 marks

Which temperature range is suitable for coral polyp growth?

Show answer

20°C to 30°C

Coral polyps require a temperature of 20°C to 30°C for growth.

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Frequently Asked Questions

What are the important topics in Coral Reefs for ICSE Class 11 Geography?
Coral Reefs covers several key topics that are frequently asked in ICSE Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Coral Reefs — ICSE Class 11 Geography?
Understand the core concepts first, then work through the 65 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many important questions are there in Coral Reefs?
There are 65 practice questions available for Coral Reefs. These cover multiple question types including MCQs, short answer, and long answer questions.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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