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Biodiversity for Sustenance of Mankind — Flashcards

ICSE · Class 11 · Geography

36 flashcards for Biodiversity for Sustenance of Mankind (ICSE Class 11 Geography) to test yourself on key terms and facts.

65 questions36 flashcards5 concepts

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36 Flashcards·
Introduction to biodiversityBiodiversity and human dependenceFood chainPhotosynthesisClassification of consumers
Card 1Introduction to biodiversity

What is biodiversity in relation to human life?

Answer

Biodiversity consists of various types of plants and animals arranged systematically to make a complete food chain. It supports human life by providing food, clothing, shelter, medicines, and other na…

Card 2Biodiversity and human dependence

Why is man closely dependent on nature and biodiversity?

Answer

Human beings depend on air, water, land, forests, plants, and animals for survival. These natural resources satisfy basic needs such as food, clothing, and shelter, so biodiversity directly supports l…

Card 3Food chain

What are primary producers in a food chain?

Answer

Primary producers are plants and algae at the first level of the food chain. They use light energy to convert carbon dioxide and water into carbohydrates and other life-supporting molecules through ph…

Card 4Photosynthesis

What is photosynthesis in simple terms?

Answer

Photosynthesis is the process in which plants and algae use light energy to convert carbon dioxide and water into carbohydrates. This process produces the food that supports the rest of the food chain…

Card 5Food chain

Who are primary consumers in a food chain?

Answer

Primary consumers are plant-eating animals, also called herbivores. Examples include insects, mice, and goat. They occupy the second level of the food chain.

Card 6Food chain

Who are secondary consumers in a food chain?

Answer

Secondary consumers are animals that feed on primary consumers. They are carnivores such as owl and lion and occupy the third level of the food chain.

Card 7Classification of consumers

Why are human beings called omnivores?

Answer

Human beings are called omnivores because they eat both plant-based food and animal-based food. This means they are both herbivores and carnivores in their feeding habits.

Card 8Food chain

What do decomposers do in an ecosystem?

Answer

Decomposers are microscopic organisms and bacteria that feed on detritus or decaying organic matter from all levels of the food chain. They recycle mineral nutrients back into the ecosystem and comple…

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Frequently Asked Questions

What are the important topics in Biodiversity for Sustenance of Mankind for ICSE Class 11 Geography?
Key topics in Biodiversity for Sustenance of Mankind include Biodiversity and Human Life, Food Chain and Ecological Roles, Biodiversity as a Source of Food, Biodiversity and Medicines. Study these first, then practise questions on each for Class 11 exams.
How many flashcards are available for Biodiversity for Sustenance of Mankind?
There are 36 flashcards for Biodiversity for Sustenance of Mankind covering key definitions, facts and ideas. A few sample cards are shown on this page.
How should I revise Biodiversity for Sustenance of Mankind for Class 11 exams?
Learn the core ideas first, then work through the 65 practice questions on Biodiversity for Sustenance of Mankind. Revise 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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