KSEEB Solutions for Class 9 Economics Chapter 1 Natural Resources

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Students can Download Economics Chapter 1 Natural Resources Questions and Answers, Notes Pdf, KSEEB Solutions for Class 9 Social Science helps you to revise the complete Karnataka State Board Syllabus and to clear all their doubts, score well in final exams.

Karnataka State Syllabus Class 9 Social Science Economics Chapter 1 Natural Resources

Class 9 Social Science Natural Resources Textbook Questions and Answers

1. Fill in title blanks :

Question
1. Natural resources are _______ of nature.
2. _______ resources can be reproduced within a specified life span.
3. Iron ore is a _______ resource.
4. Scarcity arises when the need for the resources is _______ than its availabili1y.
5. Development emphasizing the availability of resources to meet the needs of the future generation is called as _______ .
6. In 2010, the mankind used _______ more natural resources than the earth could regenerate.
Answer :
1. gifts
2. Renewable
3. non-renewable
5. conservation
4. greater
6. 50%

KSEEB Solutions

II. Answer the following in one sentence each :

Question 1.
What are the natural resources?
Answer :
Natural resources are naturally occurring substances that are considered valuable and are not made by man.

Question 2.
Give two examples of renewable resources.
Answer :
Water and forests, (air, sunlight)

Question 3.
Give two examples of abiotic resources.
Answer :
Water and minerals.

Question 4.
What is conservation?
Answer :
Tie protodiai, pesavdfien, management migration of the biosphere for the benefit of life on earth benefitting the present generation while maintaining the potential to meet the needs and aspirations of the future generations is called conservation.

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Question 5.
Define ecological footprint.
Answer :
The impact of human activities measured in terms of the area of biologically productive land and water required to produce the goods consumed and to assimilate the wastes generated are called the ecological footprint.

Question 6.
What is recycling?
Answer :
Recycling is the process of converting waste materials into reusable new materials.

III. Answer the following in 5-6 sentences each :

Question 1.
Differentiate between renewable and non-renewable resources.
Answer :

Renewable resources Non-renewable resources
These resources get replenished as we use them.
E.g: water, land.		 Some resources get depleted as we go on using them.
E.g.: Minerals, fuels.

Question 2.
Explain the causes of the increasing scarcity of resources.
Answer :
Overpopulation: Demand for resources and consumption increases due to the increasing population. Consumption exceeds the quantity of availability of the resources causing scarcity.
Growing industrialization: Industrial growth means more demand for initials and other raw materials.
Expanding urban areas: The density of population increases due to the expanding urban areas. Naturally, demand for resources increases resulting in scarcity of resources.
Pollution: Atmospheric pollution, water pollution and land degradation due to increased economic activities reduce the quality and availability of resources.

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Question 3.
What are the 4Rs? Explain in brief.
Answer :
4R strategy includes the following steps. Reduce, Reuse, Recharge or Regenerate, and Research.

Reduce: Minirnising the use of resources and reducing wastage help in the conservation of resources as well as reduce pollution.
Reuse: Using a resource multiple times is another way of conserving resources.
Example: Using the kitchen water for watering plants.
Recharge: Resources can he be regenerated by conscious human efforts. Ex: Rainwater harvesting.
Research: Researching new ways to find alternative sources ¡n place of non-renewable resources. Ex: Solar energy can be used instead of electricity.

Question 4.
What steps would you take to conserve energy in your school and at home?
Answer :

  1. By using LED and LCD bulbs.
  2. witch all lights, when not in use.
  3. We must encourage solar energy, bio-energy which are alternative sources of energy.

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Question 5.
What measures will you take to reduce the ecological footprint?
Answer :

  1. Raise awareness regarding the ecological footprint among the family members, friends and neighbors.
  2. Adopt the strategy of 4 Rs to eon server resources.
  3. Be a part of the recycling program.
  4. By doing an energy audit at home and school and find out the ways to save money and energy.
  5. Joining the group that is striving to save local tanks and rivers from pollution.