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) All the species on this Earth are living in a system having multiple networks of interdependencies. Biodiversity is the variation of wildlife and cultivated species in a given ecosystem. In this interconnected web, each organism is a producer, consumer or decomposer.
Human beings also depend on several biotic and abiotic factors for their survival like they obtain food from plants and animals. They are dependent on many other species to run their business and industries.
(ii) Human activities affected the depletion of flora and fauna are:
Hunting animals for their skin, tusk, bone teeth & horns etc, led many species to the verge of extinction.
Human activities such as deforestation, housing plans, factories infrastructure, commercial, scientific forestry, mining etc are to blame for the depletion of flora and fauna.
Various dam and river valley projects resulted in a decline of forest cover.
Increasing environmental pollution and forest fires due to global warming resulted in depletion of valuable forest and wildlife.
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.
Match the following.
Reserved Forests Protected Forests Unclassed Forests |
other forests and wastelands belonging to both government and private individuals and communities. forests are regarded as most valuable as far as the conservation of forest and wildlife resources. forest lands are Protected from any further depletion. |
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
Q2. Match the following animals with their category of existence.
Animals/Plants | Category of existence |
---|---|
Black buck |
Extinct Rare Endangered Vulnerable Endemic |
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
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) 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
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) 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 ?
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 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.
Which one of the following minerals is contained in the Monazite sand?
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
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 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.
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 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?
(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 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 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.