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Chapter 27 of 33
Chapter Summary

Biodiversity for Sustenance of Mankind

ICSE · Class 11 · Geography

Summary of Biodiversity for Sustenance of Mankind for ICSE Class 11 Geography. Key concepts, important points, and chapter overview.

65 questions36 flashcards5 concepts

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Overview

Biodiversity is closely connected with human survival, food supply, medicines, and environmental balance. Plants, animals, microorganisms, forests, water, and land all support life and form the base of food chains and natural cycles. Human beings depend on biodiversity for food, clothing, shelter, m

Key Concepts

Biodiversity includes the variety of plants

Biodiversity includes the variety of plants, animals, and other living forms that support human life. Humans depend on natural resources such as air,

A food chain is the systematic

A food chain is the systematic arrangement of living organisms through which energy passes from one level to another. Plants and algae form the first

Plants and algae are the first

Plants and algae are the first level in the food chain. They use light energy to convert carbon dioxide and water into carbohydrates through photosynt

Primary consumers are plant

Primary consumers are plant-eating animals or herbivores such as insects, mice, and goat. They depend directly on plants for food.

Secondary consumers feed on primary consumers

Secondary consumers feed on primary consumers. They are carnivores such as owl and lion.

Learning Objectives

  • Understand the meaning of biodiversity and its role in human life
  • Explain the structure of a food chain and the roles of producers, consumers, and decomposers
  • Recognise biodiversity as a source of food, medicines, and raw materials
  • Understand how agriculture developed and how the Green Revolution improved crop production
  • Identify major steps taken to protect the environment through awareness and legislation

Frequently Asked Questions

What are the important topics in Biodiversity for Sustenance of Mankind for ICSE Class 11 Geography?
Biodiversity for Sustenance of Mankind 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 Biodiversity for Sustenance of Mankind — 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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