Solutions

Resources

1. Answer the following questions.
Question 1(1). Why are resources distributed unequally over the earth?

Answer: The distribution of natural resources depends on various factors like terrain, climate, and altitude. These factors differ over the earth and so the distribution of resources.


Question 1(2). What is resource conservation?

Answer: Using resources carefully and giving them time to get renewed is resource conservation.

Question 1(3). Why are human resources important?

Answer: Human resources are important because they make the best use of nature to create more resources with the help of their knowledge, skill, and technology.


Question 1(4). What is sustainable development?

Answer: Sustainable development is the careful utilisation of resources that help to meet the requirements of the present and also takes care of the development for future generations.


Question 2.

Tick the correct answer.

1. Which one of the following does NOT make the substance a resource?

  1. (a) utility
  2. (b) value
  3. (c) quantity.

2. Which one of the following is a human-made resource?

  1. (a) medicines to treat cancer
  2. (b) spring water
  3. (c) tropical forests

3. Complete the statement. Biotic resources are

  1. (a) derived from living things
  2. (b) made by human beings
  3. (c) derived from non-living things

Question 3.

Differentiate between the following.

  1. (a) Potential and actual resources
  2. (b) Ubiquitous and localized resources.

Answer: (a) Differentiation between Potential and Actual Resources


Potential Resources Actual Resources

1. Potential resources are those resources for which the entire quantity is not known.

2. They are not being used at present due to the non-availability of technology or finance to develop them.

3. Example: Uranium in Ladakh, strong winds in Rajasthan.

1. Actual resources are those resources for which quantity is known.

2. They are being used at present with the existing technology.

3. Examples: Rich coal deposits in Ruhr valley of Germany, Jharkhand, Odisha; Petroleum in west Asia; Black soil in Deccan Trap of Maharashtra.


(b) Ubiquitous and localized resources.


Ubiquitous Resources Localized Resources

1. Ubiquitous resources are those resources which are found everywhere.

2. Examples: Land, water, air.

1. Resources found only in certain places are called localized resources.

2. Examples: Iron ore, copper, bauxite, gold, etc.


Question 4. Activity "Rahiman paani raakhiye, Bin paani sab soon. Paani gaye na ubere Moti, manus, choon."

[Says Rahim, keep water, as without water there is nothing. Without water pearl, swan, and the dough cannot exist.]


These lines were written by the poet Abdur Rahim Khankhana, one of the nine gems of Akbar"s court. What kind of resource is the poet referring to? Write in 100 words what would happen if this resource disappeared?


Answer:


  1. The poet is referring to the water resource.
  2. The following would happen if this resource (water resource) disappeared:
  3. The earth would dry up and it would be scorched.
  4. All human beings would die.
  5. There would be no animal life; big or small on the earth.
  6. All the vegetation types would dry up.
  7. All human activities would come to an end.
  8. No industry would exist on the surface of the earth.
  9. No activity would be seen.
  10. All the water bodies would dry up.
  11. There would no moisture in the air, no clouds, and no rains.
  12. The earth would be a big desert devoid of all elements.
  13. Actually, it will be just like a big rock.

Question 5 For Fun

Question 1. Pretend that you live in prehistoric times on a high windy plateau. What are the uses you and your friends could put the fast winds to? Can you call the wind a resource?

Answer: We cannot put the fast winds to any use. Hence, the wind cannot be called a resource.


Question 1(a). Now imagine that you are living in the same place in the year 2138. Can you put the winds to any use? How? Can you explain why the wind is an important resource now?

Answer: Yes. We can use the wind in the windmills to generate wind power. As it can be used as a power hence it has become an important resource.

Question 5(2). Pick up a stone, a leaf, a paper straw, and a twig. Think of how you can use these as resources. See the example given below and get creative

You can use a stone… Use/Utility
To play stapu toy
As a paper-weight tool
To crush spices tool
To decorate your garden/room decoration piece
To open a bottle tool
In a catapult weapon

Answer


You can use a leaf Use/Utility
To draw a figure drawing
As a decoration piece tool
To use as a spice commodity
To make a flower pot a decoration piece
You can use a straw Use/Utility
As a fodder Food for animals
A decoration piece tool
You can use a twig Use/Utility
To threaten animals punishing rod
As indicator tool
To draw a drawing tool

Important Question


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