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Ecosystem Practice Questions - DPP for NEET

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1. What is an ecosystem?
Ans. An ecosystem refers to a community of living organisms, such as plants, animals, and microorganisms, interacting with each other and their physical environment. It includes both the biotic (living) and abiotic (non-living) components, creating a complex web of relationships and energy flow.
2. How are ecosystems important for human beings?
Ans. Ecosystems provide numerous benefits to human beings. They regulate the climate, purify water and air, provide food and raw materials, support pollination and nutrient cycling, and offer recreational and cultural values. Protecting and conserving ecosystems is crucial for our own well-being and sustainable development.
3. What are the major threats to ecosystems?
Ans. There are several major threats to ecosystems, including habitat destruction, pollution (such as air and water pollution), climate change, invasive species, and overexploitation of natural resources. These threats can disrupt the delicate balance within ecosystems, leading to loss of biodiversity and ecological imbalances.
4. How can we conserve and protect ecosystems?
Ans. Ecosystem conservation and protection can be achieved through various measures. These include creating protected areas, implementing sustainable land and water management practices, promoting biodiversity conservation, reducing pollution and waste, adopting renewable energy sources, and raising awareness about the importance of ecosystems and their conservation.
5. What is the role of biodiversity in ecosystems?
Ans. Biodiversity, which refers to the variety of different species and their interactions within an ecosystem, plays a crucial role in maintaining ecosystem stability and functioning. It provides resilience against disturbances, supports nutrient cycling, promotes ecosystem productivity, and contributes to the overall health and sustainability of ecosystems.
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