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Marine Life and Deposits

ICSE · Class 11 · Geography

Complete topic list for Marine Life and Deposits in ICSE Class 11 Geography. Key concepts, sub-topics, and what to focus on for board exams.

65 questions38 flashcards5 concepts

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4 Topics · ICSE Class 11 Geography

Topics in Marine Life and Deposits

1

1. Marine Environment and Major Realms

  • The total area from the sea coast to the greatest depth of the sea is known as the marine environment.
  • Marine environment has a large variety of flora and fauna.
  • The marine environment is divided into two principal realms: pelagic and benthic.
2

2. Pelagic Provinces

  • Neritic Province has a depth of 200 metres and is the most populated marine area.
  • Neritic Province has shallow depth, low salinity, less turbulent motion, and more plant nutrients.
  • Neritic Province receives most of the sunlight and is the natural habitat of fish.
3

3. Benthic Zones

  • The benthic realm is divided into Littoral Zone and Deep Sea Zone.
  • Littoral Zone is characterised by high and low tide levels.
  • Littoral Zone has plenty of animal food.
4

4. Modes of Marine Life

  • Marine plants and animals are classified into three categories: plankton, benthos, and nekton.
  • Plankton are minute plant and animal organisms that float or drift in ocean water.
  • Phytoplankton are plant plankton.

Key Concepts

Central concept: Marine Life and Deposits

Marine EnvironmentPelagic RealmBenthic RealmModes of Marine LifeMarine VegetationMarine DepositsImportance of Marine ResourcesOcean Pollution

Frequently Asked Questions

What are the important topics in Marine Life and Deposits for ICSE Class 11 Geography?
Marine Life and Deposits 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 Marine Life and Deposits — 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.

Sources & Official References

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

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