How Nature Works in Harmony
CBSE · Class 8 · Science
Flashcards for How Nature Works in Harmony — CBSE Class 8 Science. Quick Q&A cards covering key concepts, definitions, and formulas.
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What is a habitat?
Answer
A habitat is a place that provides the right conditions for an organism to live and grow. It provides food, water, shelter, space, and suitable temperature for organisms. Examples include a pond for f…
What are biotic and abiotic components? Give examples of each.
Answer
Biotic components are living things in a habitat like plants, animals, and microorganisms. Abiotic components are non-living things like air, water, soil, sunlight, and temperature. Example: In a pond…
Define population and give an example.
Answer
A population is a group of the same type of organisms living together in a habitat at a given time. Example: All the mango trees in a school garden or all the fish of one species in a pond form a popu…
What is a community in ecological terms?
Answer
A community comprises different populations of organisms sharing the same habitat. It includes all the biotic components (plants, animals, and microorganisms) that interact and depend on one another f…
Define an ecosystem and explain its components.
Answer
An ecosystem is formed when biotic components (plants, animals, microorganisms) and abiotic components (air, water, soil, sunlight, temperature) in a habitat interact with each other. It can be terres…
What is pollination and why is it important?
Answer
Pollination is the process where pollen grains are carried from stamens (male parts) to carpels (female parts) of flowers by wind, water, insects, bats, and birds. It is essential for the formation of…
Distinguish between producers (autotrophs) and consumers (heterotrophs).
Answer
Producers (autotrophs) make their own food through photosynthesis, like green plants. Consumers (heterotrophs) cannot produce their own food and depend on other organisms for nutrition, like animals t…
Define herbivores, carnivores, and omnivores with examples.
Answer
Herbivores eat only plants (deer, hare). Carnivores eat only animals (leopard, snake). Omnivores eat both plants and animals (crows, foxes, mice, humans). These are different types of consumers based …
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
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