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Biodiversity and Conservation

CBSE · Class 11 · Geography

NCERT Solutions for Biodiversity and Conservation — CBSE Class 11 Geography.

81 questions74 flashcards5 concepts

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13 Questions Solved · 1 Section

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EXERCISES

1(i)Conservation of biodiversity is important for :Show solution
Conservation of biodiversity is important for all organisms, because all forms of life are closely interlinked and disturbance in one affects the others.

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1(ii)Threatened species are those which :Show solution
Threatened species are those species which are suffering from the danger of extinction.

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1(iii)National parks and sanctuaries are established for the purpose of :Show solution
National parks and sanctuaries are established for the purpose of conservation of wildlife and biodiversity.

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1(iv)Biodiversity is richer in :Show solution
Biodiversity is richer in tropical regions. The chapter says biodiversity is consistently richer in the tropics and decreases towards the polar regions.

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1(v)In which one of the following countries, the 'Earth Summit' was held?Show solution
The Earth Summit was held at Rio de Janeiro, Brazil in June 1992.

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2(i)What is biodiversity?Show solution
Biodiversity means the number and variety of organisms found within a specified geographic region. It includes the variety of plants, animals and micro-organisms, the genes they contain, and the ecosystems they form.

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2(ii)What are the different levels of biodiversity?Show solution
Biodiversity is discussed at three levels: genetic diversity, species diversity, and ecosystem diversity.

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2(iii)What do you understand by 'hotspots'?
2(iv)Discuss briefly the importance of animals to human kind.
2(v)What do you understand by 'exotic species'?
3(i)What are the roles played by biodiversity in the shaping of nature?
3(ii)What are the major factors that are responsible for the loss of biodiversity?
13What steps are needed to prevent them?

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Frequently Asked Questions

What are the important topics in Biodiversity and Conservation for CBSE Class 11 Geography?
Biodiversity and Conservation covers several key topics that are frequently asked in CBSE 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 and Conservation — CBSE Class 11 Geography?
Understand the core concepts first, then work through the 81 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
Where can I get free NCERT Solutions for Biodiversity and Conservation Class 11 Geography?
This page has free step-by-step NCERT Solutions for every exercise question in Biodiversity and Conservation (CBSE Class 11 Geography) — written the way examiners award marks: given, formula, working, answer.

Sources & Official References

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

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