Class 10 Social Science - Contemporary India – II - Chapter Minerals and Energy Resources NCERT Solutions | Answer the following questions in about

Multiple choice questions.
(i) Which one of the following minerals is formed by decomposition of rocks, leaving a residual mass of weathered material?
(a) coal (b) bauxite (c) gold (d) zinc

(ii) Koderma, in Jharkhand is the leading producer of which one of the following minerals?
(a) bauxite (b) mica (c) iron ore (d) copper

(iii) Minerals are deposited and accumulated in the stratas of which of the following rocks?
(a) sedimentary rocks (c) igneous rocks (b) metamorphic rocks (d) none of the above

(iv) Which one of the following minerals is contained in the Monazite sand?
(a) oil (b) uranium (c) thorium (d) coal

Answer the following questions in about 30 words.
(i) Distinguish between the following in not more than 30 words.
(a) ferrous and non-ferrous minerals  (b) conventional and non-conventional sources of energy
(ii) What is a mineral?
(iii) How are minerals formed in igneous and metamorphic rocks?
(iv) Why do we need to conserve mineral resources ?

Which one of the following minerals is contained in the Monazite sand?

Multiple choice questions.
(i) Which one of the following industries uses limestone as a raw material.
(a) Aluminium (b) Cement (c) Plastic (d) Automobile

(ii) Which one of the following agencies markets steel for the public sector plants?
(a) HAIL (b) SAIL (c) TATA Steel (d) MNCC

(iii) Which one of the following industries uses bauxite as a raw material?
(a) Aluminium Smelting (b) Cement (c) Paper (d) Steel

(iv) Which one of the following industries manufactures telephones, computer, etc.
(a) Steel (c) Aluminium Smelting (b) Electronic (d) Information Technology

Answer the following questions in about 30 words.
(i) State any three merits of roadways.
(ii) Where and why is rail transport the most convenient means of transportation?
(iii) What is the significance of the border roads?
(iv) What is meant by trade? What is the difference between international and local trade?

Multiple choice questions.

(i) Which one of the following types of resource is iron ore?
a) Renewable
b) Biotic
c) Flow 
d) Non-renewable

(ii) Under which of the following type of resource tidal energy cannot be put?
a) Replenishable
b) Human-made
c) Abiotic
d) Non recyclable

iii) Which one of the following is the main cause of land degradation in Punjab?
a) Intensive cultivation
b) Deforestation
c) Over irrigation
d) Overgrazing

(iv) In which one of the following states is terrace cultivation practised?
a) Punjab
b) Plains of Uttar Pradesh
c) Haryana
d) Uttarakhand

(v) In which of the following states black soil is predominantly found?
a) Jammu and Kashmir
b) Maharashtra
c) Rajasthan
d) Jharkhand

Q1. Multiple choice questions

(i) Which of these statements is not a valid reason for the depletion of flora and fauna?
a) Agricultural expansion
b) Large scale developmental projects
c) Grazing and fuel wood collection
d) Rapid industrialisation and urbanisation

(ii) Which of the following conservation strategies do not directly involve community participation?
a) Joint forest management
b) Beej Bachao Andolan
c) Chipko Movement
d) Demarcation of Wildlife sanctuaries

Multiple choice questions.

(i) Based on the information given below classify each of the situations as ‘suffering from water scarcity’ or ‘not suffering from water scarcity’.
a) Region with high annual rainfall.
b) Region having high annual rainfall and large population.
c) Region having high annual rainfall but water is highly polluted.
d) Region having low rainfall and low population.

(ii) Which one of the following statements is not an argument in favour of multipurpose river projects?
a) Multi-purpose projects bring water to those areas which suffer from water scarcity.
b) Multi-purpose projects by regulating water flow help to control floods.
c) Multi-purpose projects lead to large scale displacements and loss of livelihood.
d) Multi-purpose projects generate electricity for our industries and our homes.

iii) Here are some false statements. Identify the mistakes and rewrite them correctly.
a) Multiplying urban centres with large and dense populations and urban life styles have helped in proper utilisation of water resources.
b) Regulating and damming of rivers does not affect the river's natural flow and its sediment flow.
c) In Gujarat, the Sabarmati basin farmers were not agitated when higher priority was given to water supply in urban areas, particularly during droughts.
d) Today in Rajasthan, the practice of rooftop rainwater water harvesting has gained popularity despite high water availability due to the Indira Gandhi Canal.

Multiple choice questions.

(i) Which one of the following describes a system of agriculture where a single crop is grown on a large area?
a) Shifting Agriculture
b) Plantation Agriculture
c) Horticulture
d) Intensive Agriculture

(ii) Which one of the following is a rabi crop?
a) Rice
b) Gram
c) Millets
d) Cotton

(iii) Which one of the following is a leguminous crop?
a) Pulses
b) Jawar 
c) Millets
d) Sesamum

(iv) Which one of the following is announced by the government in support of a crop?
a) Maximum support price
b) Minimum support price
c) Moderate support price
d) Influential support price

Answer the following briefly in not more than 30 words.
(i) What is manufacturing?
(ii) Name any three physical factors for the location of the industry.
(iii) Name any three human factors for the location of an industry.
(iv) What are basic industries? Give an example.
(v) Name the important raw materials used in the manufacturing of cement?

Answer the following questions in about 30 words.

i) Name three states having black soil and the crop which is mainly grown in it.
ii) What type of soil is found in the river deltas of the eastern coast? Give three main features of this type of soil.
iii) What steps can be taken to control soil erosion in the hilly areas?
iv) What are the biotic and abiotic resources? Give some examples.

Q2. Match the following animals with their category of existence.

Answer the following questions in about 30 words.

(i) Explain how water becomes a renewable resource.
(ii) What is water scarcity and what are its main causes?
(iii) Compare the advantages and disadvantages of multi-purpose river projects.

Q2. Match the following animals with their category of existence.

Multiple choice questions.
(i) Which one of the following industries uses limestone as a raw material.
(a) Aluminium (b) Cement (c) Plastic (d) Automobile

(ii) Which one of the following agencies markets steel for the public sector plants?
(a) HAIL (b) SAIL (c) TATA Steel (d) MNCC

(iii) Which one of the following industries uses bauxite as a raw material?
(a) Aluminium Smelting (b) Cement (c) Paper (d) Steel

(iv) Which one of the following industries manufactures telephones, computer, etc.
(a) Steel (c) Aluminium Smelting (b) Electronic (d) Information Technology

Answer the following questions in about 30 words.

(i) Explain how water becomes a renewable resource.
(ii) What is water scarcity and what are its main causes?
(iii) Compare the advantages and disadvantages of multi-purpose river projects.

Match the following.

Answer the following questions in about 30 words.
(i) State any three merits of roadways.
(ii) Where and why is rail transport the most convenient means of transportation?
(iii) What is the significance of the border roads?
(iv) What is meant by trade? What is the difference between international and local trade?

(i) Natural endowments in the form of land, water, vegetation and minerals.
(ii) A type of non-renewable resource.
(iii) Soil with high water retaining capacity.
(iv) Intensively leached soils of the monsoon climate.
(v) Plantation of trees on a large scale to check soil erosion.
(vi) The Great Plains of India are made up of these soils.

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 1960-619?
ii) How have technical and economic development led to more consumption of resources?

Answer the following questions in about 30 words.

i) Name three states having black soil and the crop which is mainly grown in it.
ii) What type of soil is found in the river deltas of the eastern coast? Give three main features of this type of soil.
iii) What steps can be taken to control soil erosion in the hilly areas?
iv) What are the biotic and abiotic resources? Give some examples.

Answer the following questions in about 120 words.

(i) Discuss how rain water harvesting in semi-arid regions of Rajasthan is carried out.
(ii) Describe how modern adaptations of traditional rainwater harvesting methods are being carried out to conserve and store water.

Multiple choice questions.

(i) Which one of the following describes a system of agriculture where a single crop is grown on a large area?
a) Shifting Agriculture
b) Plantation Agriculture
c) Horticulture
d) Intensive Agriculture

(ii) Which one of the following is a rabi crop?
a) Rice
b) Gram
c) Millets
d) Cotton

(iii) Which one of the following is a leguminous crop?
a) Pulses
b) Jawar 
c) Millets
d) Sesamum

(iv) Which one of the following is announced by the government in support of a crop?
a) Maximum support price
b) Minimum support price
c) Moderate support price
d) Influential support price