Class 10th geography chapter 1 notes – Resources and Development are an important resource for students to prepare for board exams.
1. Multiple choice questions.
(i) Which one of the following type of resource is iron ore?
(a) Renewable (b) Flow (c) Biotic (d) Non-renewableAns.(d) Non-renewable
(ii) Under which of the following type of resource tidal energy cannot be put?
(a)Replenishable (b) Abiotic (c) Human-made (d) Non-recyclable
Ans. (a) Replenishable
(iii) Which one of the following is the main cause of land degradation in Punjab?
(a) Intensive cultivation (b) Over irrigation (c) Deforestation (d) Overgrazing
Ans. (b) Over irrigation
(iv) In which one of the following states is terrace cultivation practised?
(a)Punjab (b) Haryana (c) Plains of Uttar Pradesh (d) Uttarakhand
Ans. (d) Uttarakhand
(v) In which of the following states black soil is predominantly found?
(a) Jammu and Kashmir (b) Rajasthan (c) Maharashtra (d) Jharkhand
Ans. (c) Maharashtra
2. Answer the following questions in about 30 words.
(i) Name three states having black soil and the crop which is mainly grown in it.
Ans.- Black soil are found in certain parts of Maharashtra, Madhya pradesh and Gujarat .
(ii) What type of soil is found in the river deltas of the eastern coast? Give three main features of this type of soil.
Ans. Alluvial Soil is found in the river deltas of the eastern coast . Three main feature of alluvial soils are:-
- These soils are very fertile.
- These soil are coasse.
- The alluvial soil consists of various proportions of sand , silt and clay
(iii) What steps can be taken to control soil erosion in the hilly areas?
Ans. Soil erosion can be controlled by the given- step:-
- Terrace Farming: construction of terraces on hill stopes will check Gully erosion and the soil will be saved from being eroded
- Afforestation : Afforestation will be more useful on hill-slopes.
- Contour Ploughing
(iv) What are the biotic and abiotic resources? Give some examples.
Ans. Biotic resource: These are obtained from biosphere and have life such as human beings, flora and fauna, fisheries, livestock etc.
Abiotic resource: those things which are composed of non-living things are called abiotic resources. For example, rocks and metals.
3. Answer the following questions in about 120 words.
(i) Explain land use pattern in India and why has the land under forest not increased much since 1960-61? (ii)1)In India, about 46%area is the net sown area.
- In India, about 46%area is the net sown area.
- About 22% area is occupied by forests
- About 8% of the total area is covered with fallow land
- About 14% land is not available for cultivation
Land under forest has not increase since 1960-61 due to the following reason:
- Population of india is increasing very rapidly.
- Illegal clearing of forest for industrial and domestic purpose.
3.2 How have technical and economic development led to more consumption of resources
Ans. The world has experienced a remarkable economic progress. All our economic activities are dependant on resource use. the development result in many unwanted effects. It leads to over – exploitation of natural resource
Problem of over consumption of natural resource may be discussed under following :
- Depletion of soil:
- Depletion of forest
- Depletion of energy resource and minerals