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

Answer the following questions in about 30 words.

(i) What is biodiversity? Why is biodiversity important for human lives?
(ii) How have human activities affected the depletion of flora and fauna? Explain.

(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.

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

Answer the following questions in about 120 words.
(i) Suggest the initiative taken by the government to ensure the increase in agricultural production.
(ii) Describe the impact of globalisation on Indian agriculture.
(iii) Describe the geographical conditions required for the growth of rice.

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) 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?

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

Write the answers of the following questions in 120 words.
(i) How are integrated steel plants different from mini steel plants? What problems does the industry face? What recent developments have led to a rise in the production capacity?
(ii) How do industries pollute the environment?
(iii) Discuss the steps to be taken to minimise environmental degradation by industry?

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 questions in about 120 words.

(i) Describe how communities have conserved and protected forests and wildlife in India.
(ii) Write a note on good practices towards conserving forest and wildlife.

(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.

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?

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

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.

Answer the following questions in about 30 words.

(i) What is biodiversity? Why is biodiversity important for human lives?
(ii) How have human activities affected the depletion of flora and fauna? Explain.

Answer the following questions in about 120 words.
(i) Why are the means of transportation and communication called the lifelines of a nation and its economy?
(ii) Write a note on the changing nature of the international trade in the last fifteen years.

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 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

Write the answers of the following questions in 120 words.
(i) How are integrated steel plants different from mini steel plants? What problems does the industry face? What recent developments have led to a rise in the production capacity?
(ii) How do industries pollute the environment?
(iii) Discuss the steps to be taken to minimise environmental degradation by industry?