Chapter 9 Environment and Sustainable Development Important Questions with Answers for Class 11 CBSE Economics Chapter 9 Environment and Sustainable Development which is outlined by expert Economic teachers from the latest version of CBSE (NCERT) books.
CBSE Class 11 Economic Chapter-9 Important Questions
What is the factor that contributes to global warming?
2) A decrease in cattle production
3) Burning of petroleum and coal products
4) Hydrogen gas released in animal waste
Answer: 3) Burning of petroleum and coal products
Ozone depletion refers to the phenomenon of reduction in the amount of ozone in the?
Answer: 2) Stratosphere
What is environment?
Answer: Environment is described as the total surroundings of a living organism, natural forces, and totality of all resources.
Define Renewable resources?
Answer: Renewable resources refers to that type of resources that can be utilized without being exhausted. Such as trees, fishes, etc.
Define Non-renewable resources?
Answer: Renewable resources are those resources which get exhausted with extraction. Such as coal, fuel, etc.
The problem of ozone depletion is caused by stratosphere by high levels of compounds.
1) Chlorine and Bromine
2) Chlorine and Carbon
3) Silicon and Bromine
4) Silicon and Hydrogen
Answer: 1) Chlorine and Bromine
What is the full form of CFG?
3) Ultra Fluorocarbons
4) Photo Fluorocarbons
Answer: 1) Chlorofluorocarbons
Why some of the resources have extinct?
Answer: Some of the resources have extinct because their extraction has gone above the rate of generation.
What is Global Warming?
Answer: Global warming is an increase in the average temperature of the earth’s lower atmosphere and ocean.
What is the example of overuse of environmental resources of?
1) Land Degradation & Deforestation
2) Land Up gradation & Reforestation
Answer:1) Land Degradation & Deforestation
The Deccan Plateau black sol is particularly suitable for the cultivation of?
Answer: 4) Cotton
The Chipkoo Movement, for protection of the forest, was in which part of India?
Answer: 2) Himalaya
Name the factor responsible for land degradation
1) Shifting Cultivation
2) A gain of vegetation occurring due to deforestation
3) Improper crop rotation
4) Unsustainable fuelwood and fodder extraction
Answer: 2) A gain of vegetation occurring due to deforestation
Give two examples of resources overuse.
Answer: The two examples of resources overuse are.
- Excessive of tree demolishing
- Excessive exploitation of fossil fuel
Give two examples of misuse of resources.
Answer: The two examples of misuse of resources are.
- Use of river to absorb industrial effluents
- Use of wood as household fuel
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