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Green Skills Class 9 Question Answers – CS-IP-Learning-Hub

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Green Skills Class 9 Question Answers

Green Skills Class 9 Question Answers


A. Multiple choice questions

Read the questions carefully and circle the letter (a), (b), (c) or (d) that best answers the question.

Q1. What are some of the environmental changes caused due to modern methods of agriculture?

(a) Chemical pollution due to fertilisers
(b) Improvement in the environment
(c) Lower air pollution due to crops
(d) Decrease in forest areas

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Ans. (a) Chemical pollution due to fertilisers

Q2. How can we conserve our health and environment?(Choose all the correct options)

(a) Grow organic crops
(b) Use natural fertilisers
(c) Manage waste water
(d) Use more air conditioning

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Ans. (a), (b) and (c)

Q3. A steel factory burns firewood and charcoal for heating and melting the steel? What are the possible effects on the environment? (Choose all the correct options)

(a) Increase in global temperature
(b) Decrease in global temperature
(c) Increase in air pollution
(d) Decrease in air pollution

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Ans. (a) and (c)

B. Short answer questions

Q1. What are the five sources of energy available to us? Give two examples of each source?

Ans. Five sources of energy available to us are:

Coal
Coal is one of the cheapest sources of fuel.It is used in power houses, factories and houses for cooking and heating

Petroleum
It includes petrol, diesel and mineral oils. It is used to run motor vehicles, furnaces and power-houses.

Wind
The energy from the force of the wind is wind energy. This energy can be used for work as grinding grain, pumping water, etc.

Biomass
Energy can be produced by wastes from plants and animals. It can be used for any heating purpose, such as cooking

Sun
Sun’s energy can be used to generate electricity. These are used in calculators, street lamps, and even in room heaters and water heaters

Q2. What are the sources of pollution?

Ans. Household combustion devices, motor vehicles, industries and forest fires are common sources of air pollution.

Garbage, Mining and Constructions are the common sources of land pollution.

Q3. Classify the following under the three respective categories of natural resources:

Air, iron, sand, petroleum, wind, clay, fish, forest, gold, pearls

Ans.

Inexhaustible Renewable Non- renewable
Air Fish Petroleum
Wind Forest Sand
Pearls Clay
Gold
Iron

A. Multiple choice questions

Read the questions carefully and circle the letter (a),(b), (c) or (d) that best answers the question.

Q1. What does conservation of energy mean? (Choose all options that apply)

(a) Saving energy
(b) Producing energy
(c) Using energy efficiently
(d) Creating energy sources

Ans. (a) Saving energy and (c) Using energy efficiently

Q2. Which of the following are non-renewable resources? (Choose all options that apply)

(a) Coal
(b) Diesel
(c) Sun
(d) Water

Ans. (a) Coal and (b) Diesel

Q3. Which of the following is an example of renewable resources?

(a) Coal
(b) Solar Energy
(c) CNG
(d) Petroleum

Ans. (b) Solar Energy

B. Short answer questions

Q1. Write any three actions which you can take to conserve energy.

Ans. Three actions which we can take to conserve energy are: (Write any three)

  1. Using natural ventilation or fans in place of air conditioners.
  2. Using public transport buses and cycles instead of car.
  3. Segregating waste before throwing, so that the biodegradable waste can be harvested.
  4. Reducing water use during bathing by using water filled in a bucket instead of shower.
  5. Use Organic (natural and chemical free) food.

Q2. Describe any three methods of water conservation.

Ans. Three methods of water conservation are:

1. Growing vegetation in the catchment areas, which will hold water in the soil and allow it to percolate into deeper layers and contribute to formation of ground water.

2. Constructing dams and reservoirs to regulate supply of water to the fields, as well as to enable generation of hydroelectricity

3. Sewage should be treated and only the clear water should be released into the rivers..

Q3. What is the purpose of soil conservation?

Ans. Soil conservation helps to check soil erosion and improving soil fertility by adopting various methods like

  1. Maintenance of soil fertility.
  2. Control on grazing
  3. Terracing
  4. Contour ploughing

Q4. State any three ways by which we can save energy.

Ans. Three ways by which we can save energy are:

  1. Switch off lights, fans, TV and other electrical items, when not in use.
  2. Use tube lights and energy efficient bulbs that save energy rather than bulbs.
  3. Use pressure cooker to save energy required for cooking.

A. Multiple choice question
Read the questions carefully and circle the letter (a),(b), (c) or (d) that best answers the question.

Q1. Which of the following options describe a green economy correctly? A green economy _________.

(a) uses less resources
(b) uses more resources
(c) wastes less items
(d) wastes more items

Ans. (a) uses less resources

B. Short answer questions

Q1. What are green skills?

Ans. Green skills are the knowledge, abilities and attitude which are required to develop and support a sustainable environment.

Q2. Give two examples of green skills that you can start learning from now.

Ans. Two examples of green skills are: (Write any two)

  1. Rain water harvesting
  2. Waste management
  3. Reducing Pollution
  4. Use of Solar Energy

Disclaimer : I tried to give you the correct and simple Green Skills Class 9 Question Answers , but if you feel that there is/are mistakes in the answers of Green Skills Class 9 Question Answers given above, you can directly contact me at csiplearninghub@gmail.com. NCERT Book and Study material available on CBSE official website are used as a reference to create above Green Skills Class 9 Question Answers. All the answers are taken from CBSE Study material.


Important links of Class IX (IT-402)-Employability Skills

NOTES

Unit 3: ICT Skills

Unit 4: Entrepreneurial Skills

Unit 5: Green Skills

MCQ

Unit 1: Communication Skills

Unit 2: Self Management Skills

Unit 3: ICT Skills

Unit 4: Entrepreneurial Skills

Unit 5: Green Skills

BOOK SOLUTIONS

Unit 1: Communication Skills

Unit 2: Self Management Skills

Unit 3: ICT Skills

Unit 4: Entrepreneurial Skills

Unit 5: Green Skills

Important links of Class IX (IT-402)

Unit 1 : Introduction to IT–ITeS Industry – BOOK SOLUTIONS

Unit 1 : Introduction to IT–ITeS Industry – NOTES

Unit 1 : Introduction to IT-ITeS – MCQ

Unit 2 : Data Entry and Keyboarding Skills – BOOK SOLUTIONS

Unit 2 : Data Entry and Keyboarding Skills – MCQ

Unit 3 : Digital Documentation – NOTES

Unit 3 : Digital Documentation – BOOK SOLUTIONS

Unit 3 : Digital Documentation – MCQ

Unit 4 : Electronic Spreadsheet – BOOK SOLUTIONS

Unit 4 : Electronic Spreadsheet – MCQ

Unit 5 : Digital Presentation – MCQ

Important links of Class X (IT – 402)

UNIT 1: DIGITAL DOCUMENTATION (ADVANCED) – MCQ

UNIT-2: ELECTRONIC SPREADSHEET (ADVANCED) – MCQ

UNIT-3 RELATIONAL DATABASE MANAGEMENT SYSTEMS (BASIC) – MCQ

UNIT-4 WEB APPLICATIONS AND SECURITY

Green Skills Class 9 Question Answers

Green Skills Class 9 Question Answers

Green Skills Class 9 Question Answers

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