Class 8 Social Science Geography Chapter 1 Resources NCERT SOLUTIONS

 Class 8 Social Science Geography Chapter 1 Resources 

NCERT SOLUTIONS

Question 1.
Answer the following questions.
(i) Why are resources distributed unequally over the earth?
(ii) What is resource development?
(iii) Why are human resources important?
(iv) What is sustainable development?
Answer.
(i) Resources are distributed unequally over the earth because of the different natural conditions, and physical factors like terrain, climate and altitude.

(ii) Resource development is the method of utilising our intelligence in order to improve the quality, usability and utility of a resource.

(iii) Human resources are important because the development of other resources solely depends upon this resource as humans have knowledge, skill, and technology to develop other resources.

(iv) We should use resources in such a balanced way that we satisfy our needs as well as conserve them for the future. This concept is called sustainable development.

Question 2.

Tick the correct answer.
(i) Which one of the following does not make a substance a resource?
(a) utility
(b) value
(c) quantity

(ii) Which one of the following is a human-made resource?
(a) medicines to treat cancer
(b) spring water
(c) tropical forests

(iii) Complete the statement. Biotic resources are
(a) derived from living beings.
(b) made by human beings.
(c) derived from non-living things.
Answer.
(i) (c), (ii) (a), (iii) (a).

Question 3.
Differentiate between the following.
(a) Potential and actual resources
(b) Ubiquitous and localised resources
Answer.
(a)

Question 1.
Choose the correct option.
(i) Which of these is not a resource?
(a) the Indian Prime Minister
(b) your Geography book
(c) a small piece of paper
(d) none of these

(ii) Which of these does not have economic worth but is valuable?
(a) shoes
(b) mountains
(c) coal
(d) none of these

(iii) The types of resources on basis of stock are
(a) ubiquitous and localised
(b) actual and potential
(c) renewable and non-renewable
(d) abiotic and biotic

(iv) Which of the following is a non-renewable resource?
(a) solar energy
(b) water
(c) soil
(d) natural gas

(v) Which of these is an example of sustainable development?
(a) ignoring the lights when they are switched on but not required
(b) not wasting paper
(c) using coal and petroleum deposits at a fast pace
(d) none of these
Answer.
(i) (d), (ii) (b), (iii) (c), (iv) (d), (v) (b).

Question 2.
Fill in the blank spaces given to complete each sentence.

1. A substance becomes a resource if it has …………..
2. ………….. and …………. are two important factors which make a substance a resource.
3. On the basis of the level of development, resources are classified into ……………. and …………..
4. An actual resource to crazy might have been a ……………. resource some time ago.
5. Windmills generate …………..energy which is a resource because it will never end up.
6. Although renewable resources can be replenished, we should be …………… regarding their use.
7. Coal and petroleum are examples of ………….. resources.
8. Air is a ubiquitous resource since it is found ………………..
9. Physical factors affecting the presence of a localised resource are …………….., ………………, and ……………
10. Using resources carefully and giving them time to get renewed is called ………………..

Answer.

1. utility
2. time, technology
3. actual, potential
4. potential
5. wind, renewable
6. careful
7. non-renewable
8. everywhere
9. terrain, altitude, climate
10. resource conservation.

Question 3.
State whether each of the following statements is true (T) or false (F).

1. We should wastewater since it is a renewable resource and we do not need to be careful in its use.
2. A resource always has the same economic value.
3. With respect to electricity, water was a potential resource until a few years back.
4. All natural sources of energy are renewable.
5. A farmer is a human resource.
6. Resources need to be conserved for future generations.
7. Sustainable development is a way to use resources carefully as well as saving them for the future.

Answer.

1. False
2. False
3. True
4. False
5. True
6. True
7. True.

Question 4.
Match the items given in Column I correctly with those given in Column II.

Answer:
(i) (d), (ii) (a), (iii) (e), (iv) (b), (v) (c).

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