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WorksheetsEnvironment (Energy and Food resources)
Total questions: 81
Worksheet time: 41mins
Which of the following is the way in which vehicles use energy?
Energy is needed to operate machines
Energy is needed to manufacture fertilizers
Electricity is needed to power vehicles
Oil is used to run vehicles
Assertion - The amount of energy used by a society is an indicator of its economic growth and development
Reason - Modern agriculture uses chemical fertilizers, which require large amounts of energy during their manufacture
Assertion and reason both are correct statements but reason does not explain assertion
Assertion and reason both are correct and reason explains assertion
Assertion is correct but reason is wrong statement
Assertion is wrong but reason is correct statement
Statement 1- All forms of energy can be used immediately to do work
Statement 2 - Energy is defined as the method of producing a change
Statement 1 is correct and 2 is incorrect
Statement 2 is correct and 1 is incorrect
Both statements 1 and 2 are correct
Both statements 1 and 2 are incorrect
Correctly match the energy distribution of different sources in 2022 in the correct order:
1. Coal
2. Petroleum
3. Natural Gas
4. Biomass
a) 13%
b) 6%
c) 44%
d) 25%
1-c, 2-d, 3-a, 4-b
1-c 2-d, 3-b, 4-a
1-c, 2-b, 3-a, 4-d
1-b, 2-c, 3-d, 4-a
Which is the most fastly growing source of energy?
Natural gas
Nuclear energy
Electricity
Wind energy
The number of people around the world who live without electricity is set to rise by nearly _______ in 2022.
20 million
16 million
22 million
21 million
Which out of the following is a renewable source of energy?
Coal
Petroleum
Geothermal energy
Natural gas
How is the current generated by solar cells extracted to power electrical appliances in homes?
Through aluminium wires connected to PV cells
Through grid like lines on solar cells
Through copper wires connected to PV cells
Through turbines connected to solar cells
How is solar energy used to generate electricity?
Windmill converts solar energy to electricity
Wind turbines are used to generate electricity
Photovoltaic cells convert solar energy to electricity
Steam turbines convert mechanical energy into electricity
What is the correct order of steps by which solar energy is converted to electrical energy?
1. Solar energy is transferred to negatively charged particles called electrons
2. The semiconductor is exposed to sunlight and it absorbs the light's energy
3. Electrons flow through the semiconductor material generating an electrical current
4. Electricity is used to power our homes and the rest of the electric grid
5. The current is extracted through conductive metal contacts - the grid-like lines on solar cells
2->4>3>5->1
2->1->4-3-->5
2->1>3>4-->5
2->1>3>5--->4
Which of the following areas are more suitable for harnessing wind energy?
Mountain passes
Wetlands
Deserts
Forests
What is a windmill?
A gigantic fan structure having grid like lines
A steam turbine having blades
A gigantic fan like structure having blades
A gigantic cell like structure having grid like lines
Assertion - When wind speed is low more electricity is generated
Reason - Fastly flowing wind rotates the blades of the windmill at a greater speed
Assertion and reason both are correct statements but reason does not explain assertion
Assertion and reason both are correct and reason explains assertion
Assertion is correct but reason is wrong statement
Assertion is wrong but reason is correct statement
What can hot springs be also called?
Hot fountains
Nature's geysers
Underground tanksr
Groundwater reservoirs
What is the main source from which geothermal energy starts from deep interior of the earth?
Soil layer
Magma
Mineral deposits
Natural vegetation
Which of the following is the reason for using geothermal energy in a limited amount?
Water from geothermal reservoirs have extremely high temperature
Geothermal reservoirs do not contain essential minerals
Geothermal reservoirs contains minerals that are corrosive
Water from geothermal reservoirs have extremely low temperature
What is the phenomenon of tides?
Rise & fall in the level of sea water due to flow of wind
Disturbance in sea that carries energy without a net movement of particles
Rise & fall in the level of sea water due to gravitational pull of moon & sun
Rise & fall in the level of sea water due to dam construction of dams
Which turbine needs to be more heavier and why?
Wind turbines as air is more denser than water
Tidal turbines as air is more denser than water
Wind turbines as water is more denser than air
Tidal turbines as water is more denser than air
What is the correct order of steps used to generate hydroelectricity or hydroelectric power?
1. Waterfalls on the blades of the turbine very quickly through pipes inside the dam
2. Blades of turbine starts rotating
3. Dams are constructed over rivers and water is released from these dams
4. Generator gets activated and produces electricity
3-->2->1->4
3->4->1->2
3->1>2->4
4>3>2->1
What is the power output of a hydroelectric source is determined by?
The difference in height between outflow and generator
Difference in height between the source and the outflow
The difference in weight of turbine and dam
The difference in height between turbine and generator
Statement 1 Water discharged after the generation of electricity is used for irrigation in areas upstream of a dam
Statement 2 - Hilly and highland areas are most suitable for the generation of hydroelectric power
Statement 1 is correct and 2 is incorrect
Statement 2 is correct and 1 is incorrect
Both statements 1 and 2 are correct
Both statements 1 and 2 are incorrect
What is the conversion of energy that takes place on burning biomass?
Heat energy is converted into chemical energy
Mechanical energy is converted into heat energy
Chemical energy is converted into heat energy
Chemical energy is converted into electrical energy
Which of the following is the correct definition of biomass?
Total mass of living material provided by a given ecosystem in a given time
Total mass of non-living material provided by a given ecosystem in a given time
Total mass of all fertilizers & pesticides released from an agricultural land
Total mass of all industrial waste produced by a given ecosystem in a given time
Which of the following is not included in biomass?
Industrial waste
Crop residue
Garbage
None of the above
For which of the following reason is the thermal energy released from biomass used for?
To increase fertility of soil
To run generators to produce electricity
For photosynthesis
For bathing
Assertion - Non-renewable resources are not easily available & obtaining them is a time-consuming process
Reason - Coal is extracted from the earth's crust & natural gas is extracted & transported using pipes
Assertion and reason both are correct statements but reason does not explain assertion
Assertion and reason both are correct and reason explains assertion
Assertion is correct but reason is wrong statement
Assertion is wrong but reason is correct statement
How is coal formed?
By action of microorganisms on dead plants & animals
By action of heat from Earth's core & pressure from rocks on petroleum
By action of heat from Earth's core & pressure from rocks on dead plants & animals
By action of heat from mineral deposits on dead plants & animals
Which of the following is the mining process involved in indirectly generating steel from coal?
Strip mining
Smelting
Mountain topremoval
Open-pit mining
How does the mining of coal from underground sources cause damage to the environment?
Release methane gas causing lung diseases
Can cause oil spills
It can cause soil erosion
None of the above
Statement 1 Coal is mainly used in developed countries for cooking and as a source of heat
Statement 2 Coal coke is used to smelt iron ore into steel
Statement 1 is correct and 2 is incorrect
Statement 2 is correct and 1 is incorrect
Both statements 1 and 2 are correct
Both statements 1 and 2 are incorrect
How is petroleum or crude oil formed?
From iron deposits found in earth's crust
From the remains of terrestrial organisms
From the remains of ancient marine organisms
From the water stored in dams constructed around forests
Which of the following is not a use of petroleum or crude oil?
Used in the manufacture of fertilizers & pesticides
Used for generating electricity
Used as fuel in vehicles
Used for production of paper
Why is it easier to transport petroleum as compared to coal?
Petroleum is in solid form at deposition site
Petroleum can cause oil spills
Petroleum is in liquid form
Petroleum is expensive
Which of the following is not true about natural disaster i.e oil spills?
It prevents sunlight from reaching the aquatic flora and fauna
It causes excessive deforestation
It happens because of leaks from ships, wells etc.
It reduces the level of dissolved oxygen in ocean
Which of the following gas is a part of the composition of natural gas?
Carbondioxide
Sulphur dioxide
Methane
Oxygen
Why is CNG used as fuel in vehicles instead of petrol or diesel?
It burns at a greater speed
It burns without releasing any smoke
It is expensive than petrol
It can extracted more easily
Assertion - Natural gas can be transported through pipelies
Reason - The calorific value of natural gas is quite low
Assertion and reason both are correct statements but reason does not explain assertion
Assertion and reason both are correct and reason explains assertion
Assertion is correct but reason is wrong statement
Assertion is wrong but reason is correct statement
What do (a) CNG and (b) LNG stand for?
a) Composed Natural Gas & (b) Liquid Natural Gas
(a) Composed Natural Gas & (b) Liquified Natural Gas
(a) Compressed Natural Gas & (b) Liquid Natural Gas
(a) Compressed Natural Gas & (b) Liquified Natural Gas
What is nuclear fission?
Division of nucleus of an atom into fragments with the release of energy
Division of two or more elements into smaller fragments
Two light elements fuse to form a heavier nucleus with the release of energy
Isotopes of light elements fuse to form a heavier nucleus with the release of energy
Which out of the following set of elements can be used to generate nuclear energy?
Graphite and gold
Uranium and radium
Uranium and iron
Radium and chromium
Match the following correctly:
1. Two isotopes of elements fuse to form heavy nucleus releasing energy
2. By-product of uranium refining
3. Leakage of radioactive elements
a) Nuclear reactor
b) Nuclear fusion
c) Radium
1-a, 2-b, 3-c
1-b, 2-a, 3-c
1-b, 2-c, 3-a
1-c, 2-b, 3-a
Which of the following is done to use uranium for generating nuclear energy?
Installing windmills
Installing solar panels
Mining process
Construction of dams
How is biogas generated?
Released during the extraction of uranium
Released from the burning of coal
Released from the splitting of heavy nucleus into 2 light nuclei
Released from the decomposition of biomass from bacteria
Which of the following is the example of an alternate energy source that can be used to produce electricity?
Coal
Hydroelectric power
Petroleum
Nuclear energy
Which of the following is an alternate source of energy which can be used to generate electricity?
Coal
Petroleum
Hydroelectric power
Natural Gas
Match the following correctly:
1. Solar power
2. Hydroelectric power
3. Wind power
a) Dam construction
b) Windmills
c) PV cells
1-b, 2-c, 3-a
1-a, 2-b, 3-c
1-c, 2-a, 3-b
1-c, 2-b, 3-a
For which of the following purpose can a large hydrogen fuel cell be used for?
In laptops
To supply power to electric motors
In mobile phones
In radio or taperecorders
Which of the following correctly explains the electrolysis of water?
Breakdown of atoms of water molecule into two lighter nuclei by passing electric current
Breakdown of water molecule into hydrogen & oxygen by the process of mining
Breakdown of water molecule into two hydrogen molecules by passing electric current
Breakdown of water molecule into hydrogen & oxygen by passing electric current
Statement 1- Solar panels on a house
roof are used to produce energy for industries
Statement 2 - Kochi Airport is the first airport to be fully powered by wind energy
Statement 1 is correct and 2 is incorrect
Statement 2 is correct and 1 is incorrect
Both statements 1 and 2 are correct
Both statements 1 and 2 are incorrect
Assertion - India is a nation strongly oriented to industries
Reason - India is facing food shortage due to rising population
Assertion and reason both are correct statements but reason does not explain assertion
Assertion and reason both are correct and reason explains assertion
Assertion is correct but reason is wrong statement
Assertion is wrong but reason is correct statement
What does animal husbandry involves?
Raising animals to obtain their products like eggs
Raising dairy animals like cows to obtain their milk
Growing different set of crops in the same field
Grazing of dairy animals like cows, buffaloes etc.
Which of the following is a false statement related to food resources?
Necessary nutrients are needed by our body for repair of damaged tissues
Our food comes almost entirely from agriculture only
Modern patterns of agriculture are not sustainable
Excessive use of fertilizers and pesticides can pollute our environment
Which of the following is a result of poverty?
Soil erosion
Waterlogging
Natural disasters like floods
Reduction in food output
Which of the following is an example showing how climatic change affects food production?
Construction of dam destroys agricultural land due to floods
High temperature cause wilting of plants
Monsoon rains destroy agricultural land
None of the above
Match the following correctly:
1. Floods
2. Droughts
3. Wilting
a) Leaves become weak & fall to the ground
b) Kills domestic animals & destroys crops
c) Agricultural land becomes dry due to a lack of rainfall
1-c, 2-a, 3-b
1-c, 2-b, 3-a
1-a, 2-b, 3-c
1-b, 2-c, 3-a
Which of the following is the reason due to which foreign companies create food-related problems?
Take over fertile farmland in poor countries to grow food for export
Destroy crops during their harvest season
Destroy vegetation, kill livestock and domestic animals
Increase prices of food at global level
Statement 1 - India's population is steady although the world population has already passed the 8 billion mark
Statement 2 - A balance must be maintained between the production of animal products and consumption of crops
Statement 1 is correct and 2 is incorrect
Statement 2 is correct and 1 is incorrect
Both statements 1 and 2 are correct
Both statements 1 and 2 are incorrect
Which of the following is the reason due to which food prices are rising globally?
Poverty
Countries focusing more on agriculture
Increased production of food
Conflict between countries
Which of the following correctly explains waterlogging?
Top layer of the soil is removed due to fast flowing water
Soil in a particular region is completely saturated with water
Excessive salts get deposited in the soil
None of the above
How do waterlogging & salinization slows down the growth of plants?
Leads to water loss from plants
High temperature causes wilting of leaves
Restricts airflow which leads to a decrease in oxygen levels
Restricts airflow which restricts nutrient supply
Assertion - Crop production is not possible without a sufficient amount of water
Reason - Salts get deposited on the soil surface which can further disrupt airflow
Assertion and reason both are correct statements but reason does not explain assertion
Assertion and reason both are correct and reason explains assertion
Assertion is correct but reason is wrong statement
Assertion is wrong but reason is correct statement
Which of the following is the way by which water pollution damage crops?
When polluted water is used for irrigating agricultural fields
When polluted water is used for feeding animals
During slash and burn agriculture
All of the above
Which of the following is the correct definition of malnourishment?
Increased chances of developing diseases
Decreased production of red blood cells causing anemia
Deficiency of vitamins in diet
Deficiency of essential nutrients in diet
Which of the following is not true related to the causes of world food-related problems?
Deficiency of nutrients lead to conditions such as anaemia, goiter etc.
Fishes from polluted water reaches humans through food chain
Polluted water cannot be directly used for consumption but can be used for irrigation
Pollutants get accumulated in the body of animals on exposure
Which of the following statements correctly defines food security?
When all people at all times have money to afford food
When all people at all times have sufficient amount of food available
When all people at all times have physical, social and economic access to sufficient and safe food
When all people at all times have physical access to sufficient and safe food
What do the physical availability of food address?
Demand side of food security
Supply side of food security
Profit of food production
All of the above
What do stock levels mean?
Amount of food stored for usage
Amount of food transported to other countries
Amount of food imported from other countries
Amount of food produced
What does economic access to food means?
Every individual should be able to afford safe & nutritious food to meet their dietary needs
Every individual should be able to produce safe & nutritious food to meet their dietary needs
Every individual should be able to get atleast two meals a day
Every individual should be get sufficient quantity of food
Statement 1 - Even if a person's food intake is adequate today, they can still be considered to be food insecure
Statement 2 Food security is ensured in a country only if nobody faces any kind of physical barrier to access food
Statement 1 is correct and 2 is incorrect
Statement 2 is correct and 1 is incorrect
Both statements 1 and 2 are correct
Both statements 1 and 2 are incorrect
Which of the following shows an example of how adverse weather conditions impact food security status?
People are not able to afford food due to unemployment
Instability of government affects the supply chain food
Unseasonal rains damage crops ready for harvesting
Unseasonal rains causing wilting of leaves
What is crop rotation?
Planting different set of crops in the same field in different growing cycle
Planting same set of crops in the same field in different growing cycle
Planting different set of crops in the same field in same growing cycle
Planting same set of crops in different fields in same growing cycle
How do drip irrigation helps to improve crop production?
Prevents diseases in plants by sufficient supply of air (oxygen)
Prevents diseases in plants by sufficient supply of nutrients
Prevents diseases in plants by avoiding growth of bacteria due to water accumulation
Prevents diseases in plants by avoiding growth of bacteria due to oxygen deficiency
By which of the following ways do crop rotation helps to improve soil fertility?
Prevents removal of top layer of soil
Allows re-establishment of essential nutrients in soil
Allows increased supply to air (oxygen) to the soil
Allows increased supply of water to the soil
Match the following correctly:
1. Combined harvesters
2. Hoe
3. Sickle
4. Cultivators
a) Plough attached to tractors
b) Used for threshing & reaping crops
c) Used for harvesting crops
d) Used for leveling field
1-d, 2-c, 3-a, 4-b
1-b, 2-d, 3-c, 4-а
1-b, 2-d, 3-a, 4-с
1-a, 2-b, 3-c, 4-d
What are the benefits provided by GMO crops to consumers?
Easily available
Resistant to diseases and pests
High moisture content
Lower prices
Why are GMO crops kinder to the environment compared to conventionally grown crops?
Reduce use of harmful pesticides
Have lower prices
Have better taste
Grows quickly
How do dairy farming helps to reduce milk wastage?
By increasing the quantity of milk obtained from dairy animals.
By adding more nutrients to milk
By increasing shelf life of milk
By providing medications to dairy animals
Statement 1 - Cultivators are used to prepare the agricultural land for sowing seeds
Statement 2 The structure of a genetically modified organism (GMO) is altered using genetic engineering techniques
Statement 1 is correct and 2 is incorrect
Statement 2 is correct and 1 is incorrect
Both statements 1 and 2 are correct
Both statements 1 and 2 are incorrect
Which are several medications given to animals in modern agricultural practices?
To slaughter them
To cure them from diseases
For multiple reproduction cycles
None of the above
Which of the following is not a negative impact caused due to modern practices of agriculture?
Irrigation pumps used in the cultivation are costly
Produce lesser yield in long period of time
High inputs of fossil fuels for tractors leads to energy wastage
Excessive use of chemical fertilizers cause soil, air & water pollution
Assertion - Modern agriculture involves excessive use of chemical fertilizers, pesticides and herbicides
Reason These chemicals like fertilizers & pesticides ensure speedy growth and multiple reproduction cycles in animals
Assertion and reason both are correct statements but reason does not explain assertion
Assertion and reason both are correct and reason explains assertion
Assertion is correct but reason is wrong statement
Assertion is wrong but reason is correct statement
