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Environmental Education Practice Quiz

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Environmental Education Practice Quiz

shape Introduction

What is Environmental Education? According to Wikipedia, "ENVIRONMENTAL EDUCATION (EE) REFERS TO ORGANIZED EFFORTS TO TEACH ABOUT HOW NATURAL ENVIRONMENTS FUNCTION AND, PARTICULARLY, HOW HUMAN BEINGS CAN MANAGE THEIR BEHAVIOR AND ECOSYSTEMS IN ORDER TO LIVE SUSTAINABLY. IT IS A MULTI-DISCIPLINARY FIELD INTEGRATING DISCIPLINES SUCH AS BIOLOGY, CHEMISTRY, PHYSICS, ECOLOGY, EARTH SCIENCE, ATMOSPHERIC SCIENCE, MATHEMATICS, AND GEOGRAPHY. THE TERM IS OFTEN USED TO IMPLY EDUCATION WITHIN THE SCHOOL SYSTEM, FROM PRIMARY TO POST-SECONDARY".
Environmental Education can be understood as as a process primarily directed at creating awareness and understanding about environmental issues. In general Environmental Education is the study of relationship and interactions between nature and human systems. Environmental Education is pivotal in enabling people to have a better understanding of the nature around them and to make the world a better place by taking better care of the environment.
Environmental Education is an important topic in General Science section in various recruitment exams primarily in India. Environmental Education Quiz article, is exceedingly important for candidates preparing for RRB ALP/Technical Exams/Junior Engineer Recruitment Exams. The article Environmental Education Quiz, will assist the students understanding of the type of questions expected from the topic Environmental Education .

shape Quiz

1. What is lithosphere?
Answer: Lithosphere is the solid crust or the hard top layer of the earth. It includes the crust and the uppermost mantle, which constitute the outer layer of the Earth.
2. Which are the two major components of biotic environment?
Answer: Two major components of biotic environment are Plants and Animal's
3. What is biosphere?
Answer: Biosphere is a narrow zone of the earth where sand, water and air interact with each other to support life. It consists of plant and animal kingdom together It is a global sum of all ecosystems.
4. Which is not a natural ecosystem?
    A. Desert B. Aquarium C. Forest

Answer: Options B
5. Which is not a component of human environment?
    A. Land B. Region C. Community

Answer: Options A
6. Which is a human made environment?
    A. Mountain B. Sea C. Road

Answer: Options C
7. Which is a threat to environment?
    A. Growing pliant B. Growing population C. Growing crops

Answer: Options C
8. Match the following.
Sl.no Col - 1 Sl.no Col - 2
1 Biosphere A Blanket of air which surrounds the earth Environmen
2 Atmosphere B Domain of water
3 Hydrosphere C Narrow zone where land water and air interact. Relation between the organisms and their surroundas
4 Environment D Our surroundings
Answer - 1______ C
2______A
3_____B
4_____D
9. What are the three layers of the earth?
Answer - The three layers of the Earth are the crust, the mantle and the core.
10. What is a rock?
Answer - Any natural mass of solid mineral matter that makes up the Earth's crust is called a rock.
1. Name three types of rocks.
Answer - The three types of rocks are Igneous rocks, Sedimentary rocks and Met am,Orphic rocks.
2. The rock which is made up of molten magma is
    A. Igneous B. Sedimentary C. Metamorphic

Answer: Options A
3. The inner most layer of the earth is
    A. Crust B. Core C. Mantle

Answer: Options B
4. Gold, petroleum and coal are examples of
    A. Rocks B. Minerals C. Fossils

Answer: Options B
5. Rocks which contain fossils are
    A. Sedimentary rocks B. Metamorphic rocks C. Igneous rocks

Answer: Options A
6. The thinnest layer of the earth is
    A. Crust B. Mantle C. Core

Answer: Options A
7. Match the following.
Col-1 sl.no Col-2
Core a Earth’s surface
Minerals b Used for roads and buildings
Rocks c Made of silicon and alumina
Clay d Has definite chemical composition
Sial e Innermost layer
f Changes into slate
g Process of transformation of the rock

Answer
  • Core (e) Innermost layer
  • Minerals (d) Has definite chemical composition
  • Rocks (b) Used for roads and buildings
  • Clay (f) Changes into slate
  • Sial (c) Made of silicon and alumina

8. Acid rains are produced by
    A. excess No2 and so2 from burning fossil fuels B. excess production of NH3 by industry and coal gas C. excess release of carbon monoxide by incomplete combustion D. excess formation of , Co2 by combustion and animal respiration(1988, 89)

Answer: Options A
9 .Which one is not a pollutant normally?
    A. hydrocarbon B. carbon dioxide C. carbon monoxide D. sulphur dioxide

Answer: Options B
10. Upper part of sea/aquatic ecosystem contains
    A. plankton B. nekton C. plankton and nekton D. benthos

Answer: Options A
Planktons are passively floating in upper water, nektons are actively swinging while benthos lead sedentary life upon the sea bottom. Planktons are producers and are present in large number.
1. What is true of ecosystem?
    A. primary consumers are least dependent upon producers B. primary consumers out-number producers C. producers are more than primary consumers D. secondary consumers are the largest and most powerful.

Answer: Options C
2. Greenhouse effect is warming due to
    A.infra-red rays reaching earth B. moisture layer in atmosphere C. increase in temperature due to increase in carbon dioxide concentration of atmosphere D. ozone layer of atmosphere

Answer: Options A
3. Major aerosol pollutant 1n jet plane emission is
    A. sulphur dioxide B. carbon monoxide C. methane D. fluorocarbon

Answer: Options D
4. Gas released during Bhopal tragedy was
    A. Methyl isocyanate B. Potassium isothiocyanate C. Sodium isothiocyanate D. Ethyl isothiocyante.

Answer: Options A
5. Deforestation will decrease
    A. Soil erosion B. Soil fertif ity C. Land stides D. Rainfall

Answer: Options D
Deforestation is the conversion of forested areas to non-forest land use such as arable land, pasture, urban use, logged area or wasteland. Generally, the removal or destruction of significant areas of forest cover has resulted in a degraded environment with reduced biodiversity. Deforestation results from removal of trees without sufficient reforestation, and results in declines in habitat and biodiversity, wood for fuel and industrial use, and quality of life. Due to deforestation, transpiration will be decreased, air temperature will be increased and water content will be decreased hence rainfall decreases.
6. Acid rain is due to increase in atmospheric concentration of
    A. ozone and dust B. CO2 and CO C. S02 and co D. S02 and N02

Answer: Options D
7. Renewable source of energy is
    A. Biomass B. Coal C. Petroleum D. Kerosene

Answer: Options A
8. Deep black soil is productive due to high proportion of
    A. sand and zinc B. gravel, and calcium C. clay and humus D. slit and earthworm

Answer: Options C
9. Soil water available to roots is
    A. Surface water B. Hygroscopic water C. Gravitational water D. Capitulary water

Answer: Options B
10. Pick up the correct food chain
    A. grass ______ chametion ______ insect _____ bird B. grass___ fox_____rabbit______bird C. phytoplankton ____ zooplankton ___fish D. fallen leaves ___ bacteria ______insect larvae.

Answer: Options C
1. Most hazardous metal pollutant of automobile exhausts ts
    A. Mercury B. Cadmium C. Lead D. Copper

Answer: Options C
2. Fertility of soil is measured by its ability to
    A. Retain nutrients B. Hold organic materials C. Hold water D. Support life

Answer: Options D
3. Petroleum is a
    A. Synthetic product B. Renewable resource C. Nonrenewable resource D. Inconvenient resource

Answer: Options C
4. Water is a resource
    A. Nondegradable nonmaintainable B. Degradable maintainable C. Renewable D. Non-renewable

Answer: Options C
5. River water deposits
    A. Loamy soil B. Alluvial soil C. Laterite soil D. Sandy soil

Answer: Options B
6. Study of inter-relationships between living organisms and their environment is
    A. Ecology B. Ecosystem C. Phytogeography D. Ethology

Answer: Options A
7. The sum total of the population of the same kind of organisms constitute
    A. Colony B. Genus C. Community D. Species

Answer: Options D
8. Soil best suited for plant growth is
    A. Clay B. Roamy C. Sandy D. gravel

Answer: Options B
9. Which one of the folllowing gases contr1butes maximum to the green house effect on the earth?
    A. Cardon dioxide B. chloroftuoro carbon C. Freon D. Methane.

Answer: Options A
10. Sounds above what level are considered hazardous noise polllution?
    A. above 80 dB B. above 50 dB C. above 30 dB D. above 120 dB

Answer: Options D
1. Disease caused by eating fish contain afed ? Why industrial waste, containing mecury compounds, is called
    A. Osteosclerosis B. Hashimoto's oxidase C. Bnghfs disease D. Minimata disease

Answer: Options D
2. Biotic community the primary consumers are
    A. Detritivores B. Herbivores C. Carnivores D. Omnivores

Answer: Options B
3. Which pollutant has caused damage to Taj Mahal?
    A. Oxygen B. Hydrogen C. Chlorine D. Sulphur dioxide

Answer: Options D
4. Which of the following is the most stable ecosystem?
    A. Mountain B. Ocean C. Forest D. Desert

Answer: Options B
5. The true statement about ‘green-house effect’ is that it is
    A. Caused by combination of many gases B. Caused only by CO2 C. Caused by CO2, CFC, CH4 and NO2 gases D. none of these.

Answer: Options C
6. In coming years, skin related disorders will be more common due to
    A. Water pollution B. Depletion of ozone layer C. Pollutants in air D. Use of detergents

Answer: Options B
7. Formation of ozone hole is maximum over
    A. Europe B. Africa C. India D. Antarctica

Answer: Options D
8. Which of the following will act as nature,scavenger's
    A. Insects B. Microorganisms C. Man D. Animals

Answer: Options B
9. The supersonic jet cause pollution by the thinning
    A. 02 layer B. 03 layer C. Co2 layer D. So2 layer

Answer: Options B
10. If there was n CO2 in the earth's atmosphere, the temperature of earth's surface be
    A. Higher than the present B. Dependent on the amount of oxygen in the atmosphere C. Same as present D. less than the present

Answer: Options D
The minimature diseasein Japan was caused through the pollution of water by
    A. Cyanide B. Methyl isocyanate C. Lead D.Mercury

Answer: Options D
2. D.D.T is
    A. Not a pollutant B. An antibiotic C. A non - degradable pollutant D. A biodegradable pollutant

Answer: Options C
3. Energy transfer to one topic level to other, in a fod chain, is
    A. 10% B. 20% C. 1% D. 2%

Answer: Options A
4. In 1984 Bhopal gas tragedy was caused due to leakage of
    A. Potassium isocyanate B. Methyl isocyanate C. Sodium monoxide D. None of these

Answer: Options B
5. Which is the result of damage to relative biological effectiveness
    A. High temperature B. Pollution C. Radiation D.Low temperature

Answer: Options B
6. What is the best ph of soil for cultivation of plants?
    A. 3.4 - 5.4 B. 6.5 - 7.5 C. 4.5 - 8.5 D.5.5 - 6.5

Answer: Options D
7. What is B.O.D?
    A. The amount of O2 utilized by organisms in water B. The amount of O2 utilized by micro- organisms for decomposition C. The total amount of P2 present in water D. All of the above

Answer: Options B
8. What is the intensity of sound in normal com
    A. 10-20 dB B. 30-60 dB C. 70-90 dB D. 120-150 dB

Answer: Options B
9. Plant decomposers are
    A. Monera and Fungi B. Fungi and Plants C. Protista and Animal D. Animal and Monera

Answer: Options B
10. The living and nonliving things that interact in an environment is called ___
    A. Food Chain B. Consumer C. Producer D. Food web

Answer: Options D
1. An organism that makes its own food is called as
    A. Producer B. Food web C. Food chain D. Consumer

Answer: Options A
2. __ shows how energy passes from one organism to another in an ecosystem
    A. Food web B. Carnivore C. Herbivore D. Food chain

Answer: Options D
3. An organism that eats other organisms is called
    A. Producer B. Food chain C. Ecosystem D. Food web D. Consumer

Answer: Options E
4. An animal that eats other animals is known as______
    A. Herbivore B. Food chain C. Carnivore D. Food wed E. Omnivore

Answer: Options C
5. An organism that breaks down, eat plant and animal material is called __________
    A. Ecosystem B. Omnivore C. Carnivore D. Decomposer

Answer: Options D
6. _____ shows how food chain are linked together
    A. Consumer B. Food web C. Decomposer D. Producer E. Food Chain

Answer: Options B
7. An animal that eats plants is called _______
    A. Herbivore B. Food chain C. Carnivore D. Food web E. Omnivore

Answer: Options A
8. An animal that eats both plants and animals is called ______
    A. Food web B. Herbivore C. Omnivore D.Carnivore E.Food chain

Answer: Options C
9. Producers use energy from the sun.
    A.True B. False

Answer: Options A
10. Food chains begin with_____ that make their own food.
    A. Decomposers B. Producers C. Consumers D. Energy E. Animls

Answer: Options B
1. Nutrients from dead organisms are recycled by ______
    A. Decomposers B. Consumers C. Producers

Answer: Options A
2. Ecosystem may be defined as
    A. A species alori with environment B. Plants found in water C. Plants found in land D. Call plants and animals species along with environment

Answer: Options D
3. Total organic matter present in an ecosystem is called
    A. Biomass B. Bione C. Litter D. Food

Answer: Options A
4. The most important organisms for an ecosystem are
    A. Herbivorous B. Carnivorous C. Green plants D. Protozoa

Answer: Options C
5. A peacock eats snakes which eat frog these eat hoppers which in turn thrive on leaves of the plants the peacock is
    A. Primary consumer B. Secondary Consumer C. Decomposer

Answer: Options C
6. A food chain is
    A.Group of organisms which eat the same type of food B. Animals eating animals eating C. Series of plants and animals which are interrelated in the form of organisms being eaten as food by the other D. None of these

Answer: Options C
7. A food chain consists of
    A. Producers B. Consumers C. Decomposers D. Producers and Consumers

Answer: Options D
8. Food chain away starts with
    A. Photosynthesis B. Respiration C. Nitrogen fixation D. Nitrogen

Answer: Options A
9. Primary consumers are
    A. Green plants B. Herbivorous C. Carnivorous D. All the above

Answer: Options B
10. Secondary consumers are
    A. Green Plants B. Herbivorous C. Carnivorous D.All the above

Answer: Options C
1. Food web is constituted by
    A. Various interlinked food chain in a community B. Relationship between animals and plants C. Relationship between organisms and their environment D. Relationship between animals, plants and microbes

Answer: Options A
2. Vegetation of a Geographic region with low rainfall, high temperature, loose and sandy sqilji.-of the type called
    A. Grassland B. Scrub forest C. Xerophytic D. Evergreen tropical forest

Answer: Options C
3. In pyramid of food the producers occupy
    A. The base B. Position near the base C. Apex D. Position near Apex

Answer: Options A
4. Energy flow in an ecosystem is
    A.Uni directional B. Bidirectional C. Multi directional D. All the above

Answer: Options A
5. All green plants of earth are desyroy by
    A. All plants shall die B. Only Herbivorous animals shall die C. Plants and animals shall die ultimately D. Nothing shall happened to animals

Answer: Options C
6. Which one is not a factor of the abiotic environment?
    A. Sunlight B. Decomposers C. Water D. Temperature

Answer: Options B
7. Which of the following is an air pollutant
    A. Nitrogen B. Carbon dioxide C. Cardon monoxide D. Oxygen

Answer: Options C
8. The environmental lapse rate is found be:
    A. -6.5°C/km B. 8.6°C/km C. 6.5°C/km D. 5.6°C/km

Answer: Options A
9. Which of the following on inhalation dissolved in the blood hemoglobin more rapidly than oxygen?
    A. Sulpher dioxide B. Cardon mono-oxide C. Ozone D. Nitrous oxide

Answer: Options B
10. Smog is:
    A. Anatural phenomenon B. Acombination of smoke and fog C. Is colourless D. All the above

Answer: Options B
1. Which of the following air poUution control devices is suitabe for the removingi dust from the air?
    A. Cyclone separator B. Electrostatic precipitator C. Fabric filter D. Wet scrubber

Answer: Options B
2. Air pollution from automobiles can be controlled by f1tting
    A. Cyclone separato B. Electrostat1c precipitator C. Catalytic converter D. Wet scrubber

Answer: Options C
3. Biochemical Oxygen Demand measures
    A. Industrial pollution B. Air pollution C. Polution capacity of effect D. Dissolved o2 needed by microbes to decompose organic waste

Answer: Options D
4. Excess fluoride in drinking water likely cause:
    A. Blue baby syndrome B. Fluorosis C. Change in taste and odour D. Intestial irritation

Answer: Options B
5. Noise is:
    A. Loud sound B. Sound of high frequency C. Unwanted sound D. Constant sound

Answer: Options C
6. Which of the following major source of thermal pollution in water bodies?
    A. Sewage treatment plant B. Sohd waste disposalsites C. Thermal power plant D. All of the above

Answer: Options C
7. High level radioactive waste can be managed in which of the following ways?
    A. Op dumping B. Composting C. Incineration D. Dumping in sealed containers

Answer: Options D
8. A solar cells an electrical device that converts the energy of light directly into electricity
    A. Photovoltaic effect B. Chemical effect C. Atmospheric effect D. Physical effect

Answer: Options A
9. The main composition of biogas is_______
    A. Methane B. Cardon dioxide C. Nitrogen D. Hydrogen

Answer: Options A
10. The world's first solar power airport in india is located at ______.
    A. Cochin Kerala B. Bengaluru, Karnataka C. Chennai, Tamil Nadu D. Mumbai, Maharashtra

Answer: Options A
1. Consumer for food that feeds an producers are known as_______
    A. Carnivores B. Consumers C. Herbivores D. Producers

Answer: Options C
2. The process in which green plants and few organisms use sunlight to produce nutrients is known______
    A. Chemosynthesis B. Photosynthesis C. Food Chain D. Food Web

Answer: Options B
3. What is called for an organism which breakdown dead or waste matter into simpler substance?
    A. Decomposes B. Producers C. Insects D. Consumers

Answer: Options A
4. What is called for a symbiotic relationship of fungus with an alga
    A. Lichens B. Thal'lus C. Mycelium D. Funga

Answer: Options A
5. What is a food chain?
    A. A long chain made of food B. Process of preparing food C. Food where locked by chain D. Pathway that energy and nutrients trow through the ecosystem

Answer: Options D
6. what role human plays in food chains?
    A. Producers B. Consumers C. Humans do not involve in food chain D. Decomposers

Answer: Options B
7. Why do all food chains start with plants?
    A. Because plants are easily grown B. Because plants are nutritious C. Because plants can produce its own energy D. Because plants do not require energy

Answer: Options C
8. Which of the following food chain correctly describes the flow of energy in an ecosystem?
    A. Grass - lion- Human B. Cow- Grass- Lion C. Grass - goat- Human D. Leaf- Bird- Lizard

Answer: Options C
9. Which is called for the diagram that shows how food chain linked together into more complex feeding relations?
    A. Food web B. Food chain C. Food circle D. Food triangle

Answer: Options A
Explanation: A food web consists of many food chains. A food chain only follows just one path as animals find food.
Example: A hawk eats a snake, which has eaten a frog, which has eaten a grasshopper, which has eaten grass. Food web shows the many different paths plants and animals are connected.
10. Why lions are apwx predators in grassland ecosystem
    A. Because lion do not eat other organisms B. Because no other animals hunt lion for food C. Because lion is the king of the jungle D. Because lion is a herbivore animal

Answer: Options B
1. Who developed ecological pyramids for the first time?
    A. Charles Newton B. Charles Elton C. Charles Babbage D. Charles Darwin

Answer: Options B
2. Which convention adopted for the protection of ozone layer?
    A. Vienna Convention B. Basel Convention C. Montreal Protocol D. Stockholm Convention

Answer: Options A
Explanation: The vienna Convention was adopted in 1985. The main objectives are, parties to promote and cooperation by means of systematic observations, research and information exchange on the effect of human activities on the ozone layer.
3. When did the Montreal protocal come into force?
    A. 1985 B. 1987 C. 1989 D. 1991

Answer: Options C
Explanation: Montreal protocal on substance that deplete ozone layer came into force in 1989. The protocol settargete for reducing the consumption and production of a range of ozone depleting substance.
4. How does asthma cause to human beings?
    A. Because of excessive diet B. Because of water pollution C. Because of air Pollution D. Because of soil pollution

Answer: Options C
5. What is the main reason for ozone depletion?
    A. Releasing of oxygen B. Releasing of chemicals C. Releasing of CFCs D. Releasing of nitrogen

Answer: Options C
6. Why ozone depleation more over the South Pole?
    A. Due to uneven disturbance of CFCs B. Due to extreme weather conditions in the Antartic atmosphere C. Due to cyclonic depression in South pole D. Due to extreme pressure

Answer: Options B
7. When did India signed the Montreal Protocal?
    A. 1990 B. 1991 C. 1992 D. 1993

Answer: Options C
Explanation: India signed the Montreal Protocol in 1992. The aim is to control the production and consumption of ozone depleting substances. It aim is to control the production and consumption of ozone depleting substance. It was set up as an example of a successful international agreement.
8. What is the main reason for skin cancer?
    A. Due to mutation B. Due to unhealthy consumption C. Due to UV radiations D. Due to UV radiation

Answer: Options D
9. What is the indicator of pollution in water?
    A. Amount of oxygen B. Amount of hydrogen C. Amount of BOD D. Amount of nitrogen

Answer: Options C
10. Why certain parts of water bodies contain more number of algae?
    A. Due to favorable environment B. Due to run-off excess fertilizers C. Due to lack of fertilizers D. Due to water pollution

Answer: Options B
1. What is the main reason for thermal pollution?
    A. Increase in the temperature of the ecosystem B. Increase in the chemical contains in water C. Hot water released by power plants and industries D. Pollution causing by vehicles

Answer: Options C
2. What is called for the phenomenon when the radiation absorbed by the atmosphere is re-radiated towards the surface of the Earth?
    A. Smog B. Newton effect C. Darwin effect D. Greenhouse effect

Answer: Options D
3. Which is the mast abundantly found greenhouse gas?
    A. Carbon dioxide B. Water vapor C. Methane D. Nitrous oxide

Answer: Options B
Explanation: Water vapor is the most abundantly found greenhouse gas.It constituting around 35-70% of all the gases contributing to greenhouse effect. Increase in temperature results in a relatively high presence of water vapor in the atmosphere.
4. Which of the following is not a greenhouse gas?
    A. Water vapor B. Carbon dioxide C. Methane D. Ethane

Answer: Options D
5. What is the main reason for melting of ice sheets?
    A. Increasre in the oxygen content B. Global warming C. Decrease in carbon dioxide content D. Noise pollution

Answer: Options B
6. Which one of the following cause acid rain?
    A. Water pollution B. Soil pollution C. Air pollution D. Noise pollution

Answer: Options C
7. What is the result of acid rain when it falls into water bodies?
    A. The water becomes acidic B. The water becomes pure C. The water increases its nutrients value D. The water increase its level

Answer: Options A
8. Which one of the way can prevent acid rain?
    A. Increase the emission of sulfur dioxide and nitrogen oxides B. Decreases the emission of sulphr dioxide and nitrogen oxides C. Increases in the emission of hydrochloride and phosphate D. Decrease in the emission of hydrochloride and phosphate

Answer: Options B
9. The Taj Mahal in India is affected by____
    A. Fog B. Acid rain C. Water pollution D. Spoil Pollution

Answer: Options B
10. Which of the following is the best way to reduce acid rain in sail?
    A. By adding sulphur to the soil B. By adding nitrogen to the soil C. By adding oxygen to the soil D. By adding limestone to the soil

Answer: Options D
1. Which is the most acidic in pH scale
    A. 0 B. 7 C. 10 D. 14

Answer: Options A
2. How many oxygen particles are there in every atom of ozone?
    A. 1 B. 2 C. 3 D. 4

Answer: Options C
3. Why ozone within the upper environment is important?
    A. Because it provides rain to the earth B. It protects the earth from the sun's harmful ultraviolet radiation C. It provides good aesthetic view to the atmosphere D. It protects the earth from floods

Answer: Options B
4. Which of the following is threat to the ozonosphere?
    A. Nitrogen dioxide B. Oxygen C. CFCs D. Carbon dioxide

Answer: Options C
5. What is the full form of CFCs?
    A. Chlorofluorocarbons B. Chlorine flurocarbons C. Chromate flurocarbons D. Chlorofluridcarbons

Answer: Options A
6. Which is the first place where scientist found the thinning of ozone layer?
    A. Atmosphere above Australia B. Atmosphere above Antarctica C. Atmosphere above India D. Atmosphere above France

Answer: Options B
7. Which of the following is not a bio-mass source?
    A. Gobar gas B. Coal C. Wood D. Nuclear energy

Answer: Options D
8. The main constituent of LPG is___
    A. Methan B. Butane C. Hydrogen D. Propane e. Both B and D

Answer: Options E
9. The main constituent of CNG is_______
    A. Methan B. Butane C. Ethane D. Propane

Answer: Options A
10. Which of these is not a renewable source of energy?
    A. The sun B. Natural gas C. Wind D. Ocean tidal energy

Answer: Options B
1. A solar cell is made up of ___
    A. Silicon B. Titanium C. Magnesium D. Teflon

Answer: Options A
2. A solar cell converts
    A. Heat energy into electrical energy B. Solar energy into electrical energy C. Heat energy into light energy D. Solar energy into light energy

Answer: Options B
3. The source of energy of the sun is_______
    A. Nuclear fission B. Chemical reaction C. Nuclear fusion D. Photoelectric effect

Answer: Options C
4. In a hydro power plant
    A. Potential energy possessed by stored water is converted into electricity B. Kinetic energy possessed by stored water is converted into potential energy C. Electricity is extracted from water D. Water is converted into steam to produce electricity

Answer: Options A
5. Which is the ultimate source of energy?
    A. Water B. Sun C. Uranium D. Fossil fuels

Answer: Options B
6. Fuel used in thermal power plants is
    A. Water B. Uranium C. Biomass D. Fossil fuels

Answer: Options D
7. Which of the following is a non-renewable source of energy?
    A. Wood B. Sun C. Fossil fuels D. Wind

Answer: Options C
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