CBSE Class 8 Social Science Assignment Set I

MINERAL AND POWER RESOURCES

Question. __________ are naturally occurring substance that has a definite chemical composition.
Answer: Minerals

Question. _____________ is an example of minerals.
Answer: Salt

Question. Rocks from which minerals are mined are known as ___________.
Answer: Ores

Question. ________ minerals contain metal in raw form.
Answer: Metallic

Question. ___________ minerals contain iron.
Answer: Ferrous

Question. ____________ minerals do not contain metals.
Answer: Non-metallic

Question. __________ and __________ are examples of non – metallic minerals.
Answer: Limestone & Mica

Question. The process of taking out minerals from rocks buried under the earth’s surface is called ___________.
Answer: Mining 

Question. The process of taking out minerals from great depths through deep bores is known as __________.
Answer: Shaft mining 

Question. Deep wells are bored to take out minerals are called __________.
Answer: Drilling 

Question. ___________ is the process of digging out of minerals from shallow depths.
Answer: Quarrying 

Question. Rocks look blue in colour because of ______________ contains.
Answer: Copper 

Question. __________ minerals are found in Igneous and Metamorphic rocks,
Answer: Metallic 

Question. __________ Continent produce more than half of the world’s tin.
Answer: Asia 

Question. ___________ is the leading producer of iron – ore in the world.
Answer: Europe 

Question. _______________ has no known mineral deposit in it.
Answer: Switzerland 

Question. The oldest rocks in the world are in _____________.
Answer: Western Australia

Question. _______________ is the largest producer of high grade iron-ore in the world.
Answer: Brazil 

Question. Chile and Peru are leading producers of ________________.
Answer: Copper 

Question. Australia is the largest producer of _________________ in the world.
Answer: bauxite

Question. _____________is the largest producer and exporter of mica in the world.
Answer: India 

Question. _________________ in Karnataka has deposits of gold in India.
Answer: Kolar 

Question. __________________ used in the computer industry is obtained from quartz.
Answer: Silicon 

Question. _________________ Sources of energy have been in common use for a long time.
Answer: Conventional

Question. _________________ is an example of fossil fuel.
Answer: Coal

Question. Electricity from coal is called _________.
Answer: Thermal power

Question. Coal is also known as ____________.
Answer: Buried sunshine

Question. Petroleum is also known as _______________.
Answer: Black gold 

Question. Petroleum means __________.
Answer: Rock oil 

Question. _____________ was the first country in the world to develop hydro electricity.
Answer: Norway 

Question. The site of the world’s first solar and wind powered bus shelter is an ______________.
Answer: Scotland 

Question. Heat energy obtained from the earth is called _____________.
Answer: Geothermal energy 

Question. Energy generated from tides is called ________________.
Answer: Tidal energy 

Question. The first tidal energy station was built in _____________.
Answer: France 

Question. _______ is a fuel for cooking and lightning and produces huge amount of organic manure each year.
Answer: Biogas 

Question. ____________ energy is appropriate for coastal area.
Answer: Tidal 

Question. Silicon obtained from ______________.
Answer: Quartz 

Question. The greatest producers of nuclear power are _________ and ______________.
Answer: USA & Europe 

Question. _____________ is found in large quantities in the Monozite sands of Kerala.
Answer: Thorium 

Question. The nuclear power stations in India are located in _______________ in Tamil Nadu.
Answer: Kalpakkam

INDUSTRIES

Question. ____________change raw materials into products of more value to people.
Answer: Manufacturing 

Question. _________ refers to an economic activity that is concerned with production of goods, extraction of minerals.
Answer: Industry 

Question. _______ use plant and animal based products as their raw materials .
Answer: Agro based industries

Question. ________ are primary industries that use mineral ores as their raw materials.
Answer: Mineral based industries

Question. _________ use products from the sea and oceans as raw materials.
Answer: Marine based industries

Question. _________ utilize forest products as raw materials.
Answer: Forest based industries

Question. ___________ industries produce large volume of products.
Answer: Large scale 

Question. _______ industries owned by individuals.
Answer: Private sector 

Question. _________________ industries are owned and operated by the producers or suppliers or both.
Answer: Co-operative sector 

Question. ____________ are owned and operated by the state and individual.
Answer: Joint sector industries

Question. ___________ leads to the development and growth of towns and cities.
Answer: Industrialization 

Question. _______________ emerge when a number of industries locate close to each other and share the benefits of their closeness.
Answer: Industrial regions 

Question. ________________ region is an example of industrial region.
Answer: Bangalore - Tamilnadu

Question. Industrial disasters occurred in Bhopal on ___________.
Answer: 3^rd December 1984

Question. ___________ technology is an emerging industry.
Answer: Information 

Question. ____________ is a feeder industry.
Answer: Iron and steel industry

Question. Emerging industries are also known as _________ industry.
Answer: Sunrise industries 

Question. _______ give steel the ability to resist rust.
Answer: Alloys

Question. _____________ is called the backbone of modern industry.
Answer: Steel 

Question. ________ was started in 1907 at Sakchi.
Answer: Tisco 

Question. _________ is an important steel city of the U.S.A.
Answer: Pittsburgh 

Question. The term textile derived from the Latin word ________ which means to __________.
Answer: Texere, weave 

Question. ________________ is the oldest industries in the world.
Answer: Cotton textile industry

Question. _______________ are the raw material of textile industry.
Answer: Fibres 

Question. The first textile mill in the country was established at __________ near Kolkota in 1818.
Answer: Fort Gloster 

Question. ___________ Manchester in India.
Answer: Ahmedabad

Question. ________ Manchester in Japan.
Answer: Osaka

Question. _________ industry deals in the storage, processing and distribution of information.
Answer: Information Technology

Question. Silicon Valley is located in ___________.
Answer: California 

Question. ______________ is known as Silicon plateau.
Answer: Bangalore 

HUMAN RESOURCES.

Question. Almost _________ of the world’s people live in two continents Asia and Africa.
Answer: Three quarters 

Question. Average density of population in India is ______ persons per square km.
Answer: 324 

Question. _________ plains are the most densely populated areas of the world.
Answer: Ganga plains

Question. ___________ refers to change in the number of people during a specific time.
Answer: Population change 

Question. The difference between the birth rate and the death rate of a country is called ________.
Answer: Natural Growth Rate

Question. ___________ means a person enters a new country.
Answer: Immigration 

Question. __________________ means a person leaves a country.
Answer: Emigration 

Question. _____________________ is the movement of people in and out of an area.
Answer: Migration 

Question. Ministry of Human Resources Development was created in __________.
Answer: 1985 

Question. On 1999, the world population reached _________ million.
Answer: 6 million 

AGRICULTURE

Question. Extraction and production of natural resources are connected with ___________ activity.
Answer: Primary 

Question. Processing of natural resource is a ________ activity.
Answer: Secondary 

Question. Service sector is a ________ activity.
Answer: Tertiory 

Question. _________ farming is practiced to meet the needs of the farmer’s family.
Answer: Subsistence farming 

Question. In _______ agriculture the farmer cultivates a small plot of land.
Answer: Intensive subsistence farming

Question. Shifting cultivation is known as _________ in Mexico.
Answer: Milpa 

Question. ___________ is known as the ‘golden fiber’.
Answer: Jute 

Question. In __________________ farming the land is used for growing food and fodder crops and rearing livestock.
Answer: Mixed farming

Question. _____________ is the major food crop of the world.
Answer: Rice 

Question. Cotton grows best on soil_________.
Answer: Black

Question. Maize is also known as ____________.
Answer: Corn 

Question. _________________ and _________ are examples for fibre crops.
Answer: Jute and Cotton 

Question. _________________ and ____________ are examples of beverage crops.
Answer: Tea and Coffee 

Question. __________________ grows best in wall drain loamy soil.
Answer: Wheat 

Question. In __________________ farming natural pesticides and manures are used instead of chemicals.
Answer: Organic farming

CIVICS
LN: UNDERSTANDING CRIMINAL JUSTICE SYSTEM

Question. According to the constitution, every individual charged of a crime has to be given a _____________.
Answer: Fair trail 

Question. According to the __________ of the constitution every person has a Fundamental Right to be ___________
Answer: Article 22, defended by a lawyer

Question. ________________ cannot inflict any form of punishment on a person even for petty offenses.
Answer: police 

Question. __________________ made in police custody cannot be used as evidence against the accused.
Answer: confessions 

Question. The ________________ represent the interest of the state.
Answer: Public prosecutor 

Question. The ____________________ cross examine the prosecution witness.
Answer: Defence lawyer 

Question. The ______________ gives his judgement on the basis of the evidence presented by the prosecution and the defence.
Answer: judge 

Question. After a person is arrested it is the ______________ that decides whether the accused person is guilty or not.
Answer: Court of law 

Question. The supreme court laid down guidelines that police must follow at the time of aFair trailrrest and they are called _________.
Answer: D.K.Basu Guidelines

Question. The law states that it is compulsory for an officer in charge of a police station to register an ___________ whenever a person gives information of a crime.
Answer: FIR 

Question. ________________ plays an important role in the system of justice.
Answer: Judge 

Question. The _______________should be given opportunity to ________________ the prosecution witness.
Answer: Defence Lawyer 

Question. The person who is tried by a court for a crime is called _____________.
Answer: Accused 

Question. An offence for which the police may arrest a person without the permission of the court is known as ________,
Answer: Cognizable offence 

Question. _______________ refers to the act of being kept in illegal custody by the police.
Answer: Detention 

Question. Any act that the law defines as a crime is called ____________.
Answer: Offence 

Question. ________________ refers to the person who is called upon in court to provide a first-hand account of what she/he has seen, heard or knows.
Answer: Witness 

LN: LAW AND JUSTICE

Question. An individual who buys goods for personal use is known as ______.
Answer: Consumer  

Question. Money spent to purchase new machinery or building to be able to increase production in the future is known as ___________.
Answer: Investment 

Question. The Supreme Court had ordered to all public transport vehicles to switch to __________.
Answer: CNG 

Question. The full form of CNG is ____________.
Answer: Compressed natural gas 

Question. The Bhopal gas tragedy took place in the year __________.
Answer: 1984 

Question. ____________ was the poisonous gas leaked out from the UC plant.
Answer: Methyl – isocyanite 

Question. The Right to healthy Environment now has become a part of the ___________.
Answer: Fundemental Rights