Environment meaning
Environment can be defined as a sum total of all the living and non-living elements and their effects that influence human life. While all living or biotic elements are animals, plants, forests, fisheries, and birds, non-living or abiotic elements include water, land, sunlight, rocks, and air.
Environment functions
(1) Provides the supply of resources
- The environment offers resources for production.
- It includes both renewable and non-renewable resources.
- Examples: Wood for furniture, soil, land, etc.
(2) Sustains life
- The environment includes the sun, soil, water, and air, which are essential for human life.
- It sustains life by providing genetic and biodiversity.
(3) Assimilates waste
- Production and consumption activities generate waste.
- This occurs mostly in the form of garbage.
- The environment helps in getting rid of the garbage.
(4) Enhances the quality of life
- The environment enhances the quality of life.
- Human beings enjoy the beauty of nature that includes rivers, mountains, deserts, etc.
- These add to the quality of life.
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What are the Types of Resources?
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Renewable and Non-Renewable Resources
(1) Renewable resources
- Renewable resources are the resources that can never be exhausted or depleted with continuous use.
- There remains a continuous supply of renewable resources.
- Examples: Water, trees, etc.
(2) Non-renewable resources
- Non-renewable resources are the resources that get exhausted with their extraction and use.
- Examples: Coal, petroleum, iron ore, etc.
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Solved Questions:
| Q 1. Differentiate the following into renewable and non-renewable resources.
(I) Trees (Ii) Fish (Iii) Petroleum (Iv) Coal (V) Iron ore (Vi) Water (NCERT) |
|
| Answer: | |
| (I) Trees | Renewable resource |
| (II) Fish | Renewable resource |
| (III) Petroleum | Non-renewable resource |
| (IV) Coal | Non-renewable resource |
| (V) Iron ore | Non-renewable resource |
| (VI) Water | Renewable resource |
| Q 2. What does the environment include? |
| Answer:
It includes all the living and non-living elements that affect the quality of life. |
| Q 3. What are renewable resources? |
| Answer:
Renewable resources are the resources that can never be exhausted or depleted with continuous use. |
| Q 4. What are non-renewable resources? |
| Answer:
Non-renewable resources are the resources that get exhausted with their extraction and use. |
| Multiple-Choice Question |
| Q 1. What are the functions of the environment? |
| a. Supply of resources
b. Sustenance of life c. Assimilation of waste d. All of the above |
| Answer Key |
| 1-d |
| Q.no | Fill in the blanks. |
|
1 |
______________ may be defined as all the conditions and their effects that influence human life.
|
| 2 | _____________ resources are the resources that get exhausted with extraction and use.
|
| Q. no. | Answer key |
| 1 | Environment |
| 2 | Non-renewable |
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