Unit-5
Chapter-1 Green Skills
Solved Exercise
A. Fill in the blanks.
1. Everything that surrounds us is called the ________________.
Answer: Environment
2. Human beings, plants, animals and other living beings are examples of __________.
Answer: Biotic components
3. Land, water, soil, air and sunlight are ______________components.
Answer: Abiotic
4. An ___________ is the functional unit of nature, where living organisms interact with each other and with their physical environment.
Answer: Ecosystem
5. The forests, grasslands and deserts are the examples of __________ecosystem.
Answer: Terrestrial
6. _____ refers to any change or disturbance to the environment perceived to be deleterious or undesirable.
Answer: Environmental degradation
7. Cutting down of trees on a large scale is termed as _____________.
Answer: Deforestation
8. Growing plants of trees on a large scale is termed as ________________.
Answer: Reforestation
9. The 4 R's means______________.
Answer: Reduce, Reuse, Recycle and Recover
10. A ___________ economy is low carbon, resource efficient and socially inclusive.
Answer: Green
11. The excess amount of __________ gases lead to global warming.
Answer: CO2, SO2
B. Write T for true and F for false against the following statements.
1. Biotic and abiotic components interact with each other in an ecosystem. T
2. Humans and animals depend on plants for their food. T
3. Plants do not help maintain the ecological system. F
4. Population growth is a major cause of the depletion of the natural resources. T
5. Plants and animals are not natural resources. F
6. Green economy can help reduce environmental pollution. T
7. Rain harvesting is a method or conserving water. T
8. Deforestation can lead to global warming and climate change. T
9. Reuse means to use something again that you would normally throw away. T
10. Coal and petroleum are renewable sources of energy. F
11. Solar energy can be converted into electrical energy. F
C. Multiple choice questions. Tick the correct answer.
1. Which of these is a green house gas?
a. O2 b. H2 c. CO2 d. N2
Answer: CO2
2. Plants and animals are examples of :
a. Natural resources b. artificial resources c. minerals d. none of these
Answer: Natural resources
3. The cutting down of trees on a large scale is termed as:
a. reforestation b. deforestation c. global warming d. climate change
Answer: Deforestation
4. Rain harvesting is a method of :
a. soil conservation b. air conservation c. water conservation d. plant conservation
Answer: Water conservation
5. Plants take in ________ gas that helps reducing air pollution.
a. NH3 b. H2 c. CO2 d. NO2
Answer: CO2
6. To protect and conserve the environment we should adopt:
a. white economy b. black economy c. red economy d. green economy
Answer: Green Economy
7. Which of the following is not a natural resource?
a. coal b. electricity c. petroleum d. soil
Answer: Electricity
8. Which of the following is a renewable source of energy?
a. coal b. petroleum c. sunlight d. none
Answer: Sunlight
9. Which of the following is a feature of the green economy?
a. environment friendly b. save ecosystem c. energy efficient d. all are correct
Answer: All the correct
10. The world environment day is celebrated on _________ every year.
a. 5th june b. 5th july c. 5th august d. 5th september
Answer: 5th June
D. Short Answer Questions.
1. What do you mean by the environment?
Answer: Everything that surrounds human beings such as places, people, things and nature make up the environment. Our environment is a combination of natural things and man-mad things. The natural environment includes biotic and abiotic components.
2. What are biotic and abiotic components of the environment?
Answer: The natural environment includes biotic and abiotic components. Human beings, plants, animals, birds, micro-organisms and other living creatures are examples of the biotic components of the environment.
Land, water, soil, air sunlight, wind, rocks, mountains and other non-living things are examples of abiotic components of the environment.
3. What do you mean by the ecosystem?
Answer: An ecosystem is a functional unit of nature, where living organisms (biotic environment) interact with each other and also with their abiotic environment. We can divide ecosystems into two main categories- terrestrial ecosystems and aquatic ecosystems.
4. What is environmental degradation?
Answer: Environmental degradation can be defined as any change or disturbance to the environment perceived to be deleterious or undesirable. This includes the depletion of natural resources such as air, water and soil.
5. Write some measures to protect the environment.
Answer: Some measures to protect the environment:
1. Using alternative sources of power such as solar and wind energy.
2. Conserving and cleaning water.
3. Growing plants and reforestation.
4. Protecting wildlife and aquatic animals.
5. Using the 4 R's
6. Developing a Green economy.
6. What do you mean by sustainable development?
Answer: Sustainable development is economic development that is done without depletion of natural resources. In essence sustainable development is development that meets the needs of the present generations without compromising the ability of future generations.
7. What do you mean by green skills?
Answer: Green skills are defined as skills for sustainability and technical skills, knowledge, values and attitudes needed in a workforce to develop and support social, economic and environmental outcomes in business, industry and the community.
8. What do you mean by green economy?
Answer: According to UNEP(United Nations Environment Programme), green economy is an economy that results in improved human well-being and social equity, while significantly reducing environmental risks and ecological scarcities.
9. What is the importance of green economy?
Answer:
1. It respects planetary boundaries or ecological limits and scarcity of resources.
2. It helps to protect biodiversity and ecosystems.
3. It is resource and energy efficient and it promotes low carbon emissions.
4. It delivers poverty reduction, human well-being, livelihoods, social protection and access to essential services.
10. Write a short note on the 4 R's.
Answer: 4 R's are Reduce, Reuse, Recycle and Recover. Reduce is to limit the amount of waste that we create. Reuse means to use something again that we normally throw away. Recycle means that we make efforts to recycle non-biodegradable waste like plastics, glass, metals, etc. Recover means to convert waste into resources(such as electricity, heat, compost and fuel).
11. Write the do's and don'ts to become a green citizen.
Answer:
Do's:
1. Turn off the lights, fans and air-conditioners when you leave a room.
2. Save water
3. Say no to plastic
4. Use LED and CFL lights
5. Carry a cloth bag for shopping
Don'ts:
1. Don't waste water
2. Don't waste electricity
3. Don't use plastic
4. Do not buy products that use a lot of packing.
Some other links:
This chapter look like evs means environment education
ReplyDeleteCall 7985643692
Delete? H? E? L? L? O?
DeleteThe January's rent in morning I will send you a good day please find the attached resume of my birthday and I will have the new year party 🎂🎂🎂🍰🧁🎂🍰🧁 RT now I will be a chance to get a good day today and have a great in morning in regards with thanks and have a great day today I am not a big fan of the most popular with the new one and have the same to me chalta hain you can get a chance I will have to be able you coming to the new sprint cup is a great time and have a great day today and have a nice day and time for a great weekend and time is Anita and have a good idea but I am not sure what to expect when you coming to the most recent reviews and have been trying to get a great time in the new year to get a chance I can do that for the new year and I
ReplyDeleteGreat the skill is of evs
ReplyDeleteComputer chapter electronic spreadsheet
ReplyDeletesatta king
ReplyDeletesatta king
satta king
satta king
satta king
satta king