Q.Which one is biotic element of environment ?
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Environment Definition in Economics
Think about your morning. You drink water from a tap, eat food grown in soil, breathe air, and later throw away a plastic wrapper. Every single economic activity you performed — production, consumption, disposal — touched the natural world. That natural world, in economics, is called the environment.
The Everyday Intuition
Most students first think of "environment" as trees, rivers, and wildlife — something separate from the economy, like a backdrop. But economics treats it very differently. The environment is not a backdrop; it is the source of every material input and the sink for every waste output. Without the environment, there is no production, no consumption, no economy at all.
Imagine a factory. It takes raw materials (from the environment), uses energy (from the environment), and produces goods — plus smoke, wastewater, and solid waste (all returned to the environment). The environment provides both the "from" and the "to" for the entire economic process.
The Precise Economic Definition
In economics, the environment is defined as the natural surroundings that provide:
- Resource inputs — land, water, minerals, forests, fish, air — that go into production.
- Waste assimilation services — the capacity to absorb, dilute, and break down pollutants and waste.
- Amenity services — scenic beauty, recreation, climate regulation, biodiversity — which directly improve human welfare.
The environment is not a free good in unlimited supply. It is a scarce resource — and scarcity is the fundamental problem of economics. When we use the environment beyond its regenerative capacity, we create environmental degradation, which is an economic cost.
Why This Definition Matters
Here is the key insight for a Class 11/12 student. Standard national income accounting (GDP) treats environmental resources as if they are infinite. When a forest is cut down and sold as timber, GDP increases. When the same forest is destroyed by pollution, GDP does not decrease — the loss is invisible in the accounts. This is called the "GDP paradox": we count the value of extraction but ignore the depletion of the natural capital.
A common mistake is to think "environment" only means pollution. Pollution is one consequence of overusing the environment as a waste sink, but the definition is broader. The environment is also the source of all raw materials — and when we deplete a fishery or a forest, we are consuming capital, not just income.
The Diagram (Describe in Words)
Draw a simple circular flow diagram, but with a third sector: the environment outside the usual households and firms. …
The environment is made up of biotic (living) and abiotic (non-living) elements; only living organisms count as biotic. Among the options, soil, air and water are non-living (abiotic). …
Animals are the biotic (living) element; soil, air and water are abiotic.
In the Kerala Plus One (DHSE) economics chapter on Environment and Sustainable Development, the environment is defined as the sum total of all surroundings, made up of two kinds of elements:
- Biotic elements — all living things: plants, animals, birds, micro-organisms, human beings. …
- CBSE 2025Set 58/4/11 markMCQQ.Identify, which of the following statements is incorrect about the functions of environment. (Choose the correct option) (A) Provides resources (B) Absorbs wastage (C) Sustains life (D) Deteriorates quality of life
›Reveal solutionSolution
The environment performs crucial functions like providing resources, absorbing waste, and sustaining life. The statement that it deteriorates the quality of life is incorrect, as environmental degradation (often human-induced) is what leads to such deterioration, not the environment's inherent function.
The environment plays a multifaceted and indispensable role in supporting human life and economic activity. Understanding these functions is fundamental to appreciating the concept of sustainable development and the challenges posed by environmental degradation. The environment acts as a life-support system, providing the raw materials for production and consumption, processing the by-products of these activities, and maintaining the ecological balance necessary for all living beings.
Let's examine each statement to determine which one is incorrect regarding the functions of the environment:
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A) Provides resources: This is a primary function of the environment. It supplies both renewable resources (like forests, water, and solar energy) and non-renewable resources (like fossil fuels and minerals) that are essential inputs for all economic production and human consumption. Without these resources, economic activity as we know it would be impossible.
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B) Absorbs wastage: The environment acts as a sink, absorbing and assimilating the waste generated by production and consumption activities. This includes biodegradable waste, pollutants in the air and water, and other by-products. However, the environment has a limited absorptive capacity. When the rate of waste generation exceeds this capacity, it leads to pollution and environmental degradation. …
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- CBSE 2025Set 58/5/11 markMCQQ.Identify, which of the following statements is incorrect about the functions of environment. (Choose the correct option) (A) Environment provides resources. (B) Environment absorbs wastage. (C) Environment sustains life. (D) Environment deteriorates quality of life.
›Reveal solutionSolution
The environment performs three essential functions — providing resources, absorbing waste, and sustaining life. The statement that it “deteriorates quality of life” is incorrect because deterioration is a consequence of human misuse, not a function of the environment itself.
Let’s think about what the word “function” means in this context. A function is a natural role or purpose that something serves. The environment, as a system, does three things by its very nature:
- Provides resources — air, water, minerals, forests, soil. These are the raw materials for all economic activity and life itself.
- Absorbs waste — through processes like decomposition, dilution, and chemical breakdown. The environment can handle a certain amount of waste without being damaged.
- Sustains life — by maintaining the conditions (temperature, oxygen, water cycle, food chains) that allow living organisms to survive and reproduce.
Now look at option (D): “Environment deteriorates quality of life.” This is not a function. It is an outcome — and a negative one at that — which happens when humans overuse or misuse the environment. For example, pollution, deforestation, and climate change degrade the environment, and that degradation then harms human health and well-being. But the environment does not set out to deteriorate quality of life; rather, it is the victim of actions that lead to deterioration. …
- CBSE 2022Set MARCH1 markMCQQ.Which one is biotic element of environment ?(a) soil(b) air(c) animals(d) water
›Reveal solutionSolution
Animals are the biotic (living) element; soil, air and water are abiotic.
In the Kerala Plus One (DHSE) economics chapter on Environment and Sustainable Development, the environment is defined as the sum total of all surroundings, made up of two kinds of elements:
- Biotic elements — all living things: plants, animals, birds, micro-organisms, human beings. …
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