Sources Of Energy Questions

We provide sources of energy practice exercises, instructions, and a learning material that allows learners to study outside of the classroom. We focus on sources of energy skills mastery so, below you will get all questions that are also asking in the competition exam beside that classroom.

Sources Of Energy Questions

List of sources of energy Questions

Question NoQuestionsClass
1From below, which are the examples of conventional energy?
This question has multiple correct options
A. coal
B. Woodd
c. wind
D. Solar
10
2Which branch study about remains of plant life?
A. Paleontology
B. Palaeobotany
c. Eugenics
D. Palynology
10
3Ultimate source of hydroelectricity is
the
A. thermal energy
B. solar energy
c. hydrothermal energy
D. wind energy
10
4Give one disadvantage of using a solar cell.10
5Which of the following is a fossil fuel?
I Tar
II Coal
III Petroleum
A. I only
B. I and II only
c. Il and III only
D. I, II and III
10
6What is a calorific value of a fuel 2 .
Write any four characteristics of an
idea fuel?
10
7Petroleum gas is used in:
A. the production of carbon black needed in tyre industry
B. the production of hydrogen needed in fertilizer industry
C . manufacturing gasoline
D. all of these
10
8is formed by the transformation of trees buried inside the earth millions of
years ago.
A. Biogas
B. coal
c. Diesel
D. Iron
10
9Mark the statement which is an
advantage of hydel energy.
A. Water availability is free of cost.
B. construction of dams is an easy task
c. Both A and B
D. None of the above
10
10Explain the importance of fossils in organic evolution.10
11Which of the following are disadvantages of hydro power plant?
A. Dams can be constructed only in a limited number of places
B. Large areas of agricultural land and human habitation are sacrificed
C. Methane is released contributing to green house effect
D. All of above
10
12Fuel obtained from biomass are:
A. Charcoal (from wood)
B. Bio-gas from animal waste (cow-dung etc).
C. Bio-diesel (from sugar cane and oilseed crops).
D. All of above
10
13The sources of energy which are being produced continuously in nature and are inexhaustible are called:
A. conventional sources
B. non-conventional sources
c. non-renewable sources
D. none of these
10
14Choose the correct statement.
A. Biomass energy causes no pollution.
B. Biomass energy causes heavy pollution.
C. Biomass energy causes less pollution as compared to conventional sources of energy.
D. Biomass energy is costly.
10
15State one important advantage and disadvantage each of using nuclear energy for producing electricity.10
16Which of the following energies is used for generating electricity?
A. Solar energy
B. Nuclear energy
c. wind energy
D. All of these
10
17Which of the following is not a true fossil?
A. Placoderm
B. limulus
c. Archeopteryx
D. Therapsid
10
18An example of fossil fuel is?
This question has multiple correct options
A. Coal gas
B. Coke
C. Natural gas
D. Producer gas
10
19Construction of dams
A. Is always an advantageous process
B. Has only disadvantages
c. Both
D. None
10
20Which of the following is / are disadvantage of building large dams for generating hydro electric power?
A. Due to construction of dams, lot of areas of rivers having continuous fresh flowing water, have to be cleared
B. Number of trees have to be cut
c. Destroys not only the plants life but also the animals and birds life dependent on them.
D. All of the above
10
21Which of the following is relatively more accurate method of determining the age of fossils?
A. Uranium-lead method
B. Radio-carbon mathod
c. Study of carbohydrates/proteins in rocks
D. Electron-Spin resonance method
10
22Fill in the blank space by choosing the correct word.

Water stored in the reservoirs of hydroelectric dams has ……………….. energy.
A. tidal
B. fossill
c. potential
D. biomass

10
23What is disadvantage of building large dams?
A. Natural ecosystem in the surrounding forest areas get disturbed
B. Plants and animals’ life get disrupted
C. People are displaced on a large scale.
D. All of the above.
10
24Which of the following pairs is
mismatch?
A. Pedology – Study of soil
B. Kinesiology – Study of fossils
C. limnology – Study of fresh water ecosystem
D. Physiology – Study of processes and functions of life
10
25Why is there a need for harnessing nonconventional sources of energy? How
can energy be harnessed from the sea
indifferent ways?
10
26Biogas contains ( % ) methane.
A. 75-85%
в. 50-75%
c. ( 80-90 % )
D. 35-55%
10
27Coal and petroleum are called fossil fuels.
A. True
B. False
c. Ambiguous
D. Data insufficient
10
28( 50 W / m^{2} ) energy density of sunlight is normally incident on the surface of a
solar panel. Some part of incident energy ( (25 %) ) is reflected from the surface and the rest is absorbed. The
force exerted on ( 1 m^{2} ) surface area will
be close to? ( left(c=3 times 10^{8} m / sright) )
( mathbf{A} cdot 15 times 10^{-8} mathrm{N} )
B . ( 35 times 10^{-8} ) N
c. ( 10 times 10^{-8} mathrm{N} )
D. ( 20 times 10^{-8} mathrm{N} )
10
29Select the renewable and non-renewable
sources of energy from the following:
(a) Coal
(b) Wood
(c) Water
(d) Diesel
(e) Wind
(f) Oil
A. Renewable-(a), (d) and (f) and Non-renewable-(b), (c) and (e)
B. Renewable-(b),(c) and
(e) and Non-renewable-(a), (d) and (f)
c. Renewable-(a),
(c) and (e) and Non-renewable-(b), (d) and (f)
D. Renewable-(b),(d) and (e) and Non-renewable-(a), (c) and (f)
10
30When coal is mixed with a hot solvent
and heated with hydrogen, it forms:
A. Ammonia
B. Liquid hydrocarbon
c. synthetic rubber
D. Plastic
10
31The energy released in nuclear
disintegrations in the interior of earth
is
A. the geothermal energy
B. the hydro electric energy
c. the heat energy
D. the chemical energy
10
32Geothermal energy can be best
described as:
A. light energy from Sun.
B. heat energy from rocks inside Earth’s surface.
C. heat energy from temperature difference in tides.
D. heat energy from combustion of minerals.
10
33Biomass based energy can be obtained
from:
This question has multiple correct options
A. direct burning of wood, agricultural residue etc.
B. biomass may be converted in to some other form of fuel which can release energy.
C. bacterial decomposition of organic matters like cow dung, agricultural wastes, human excreta etc. in presence of water in absence of air, a mixture of
( C H_{4}, C O_{2}, H_{2}, H_{2} S ) etc.
D. burning of industrial waste.
10
34Biomass can be defined or described
as:
A. petroleum
B. organic matter which can be converted to fuel
c. inorganic matter which can be converted to fuel
D. massive living things
10
35Ocean thermal energy is based on:
A. temperature difference across the sea.
B. temperature difference between surface and depths of sea.
C. high temperature at depth of sea water.
D. temperature rise in climate caused by sea water.
10
36Find odd one out:
( mathbf{A} cdot ) Coal
B. Petroleum
C. Natural gas
D. Wind
10
37Ocean thermal energy is a useful
source of energy when temperature difference between surface and depth of ( 2 mathrm{km} ) is :
A ( cdot ) Less than ( 10^{circ} C )
B. More than ( 10^{circ} mathrm{C} )
c. Less than ( 20^{circ} mathrm{C} )
D. More than ( 20^{circ} mathrm{C} )
10
38Which of the following is a type of biogas plant?

This question has multiple correct options
A. Fixed dome type
B. Floating gas holder type
c. Fixed fuel type
D. Moving chamber type

10
39Animal dung contains:
A. Phosphorus
B. Nitrogen
c. sulphur
D. A and
10
40The kind of energy present in fossil fuels
is :
A. chemical energy
B. heat energy
c. potential energy
D. mechanical energy
10
41In which of the following products are
obtained from fossil fuels?
This question has multiple correct options
A . coal
B. Coke
c. coal tar
D. coal gas
10
42State true or false.
Coal gas, coke and producer gas are examples of fossil fuel.
A. True
B. False
10
43The non-renewable source of energy
amongst the following is :
A. wind energy
B. hydel energy
c. solar energy
D. fossil fuels
10
44Methane gas has highest………… among all hydrocarbons
A . Ignition temperature
B. Ratio of hydrogen to carbon
c. calorific value
D. Both Band C are correct
10
45Find the odd one out.
Coal, Petroleum, Natural Gas, Nuclear
power.
A . coal
B. Petroleum
c. Natural gas
D. Nuclear power
10
46Which of the following is not a fossil fuel?
A. coal
B. Alcohol
c. Natural gas
D. Petroleum gas
10
47State whether the given statement is True or False:

Cow-dung, crop residue, garbage and sewage are decomposed in the absence of oxygen to produce bio-gas.
A. True
B. False

10
48Which of the following is not a fossil fuel?
A. Biomass
B. coal
c. Natural gas
D. Petroleum
10
49Tidal energy is harnessed by:
A. transporting sea water to a close dam.
B. constructing a submerged dam.
C. constructing a dam across a narrow opening to the sea.
D. constructing an overhead dam.
10
50Primary gaseous fuel among the following is:
A. producergas
B. water gas
c. LPG
D. natural gas
10
51Which product of petroleum is used to drive heavy vehicles like trucks?
A . Petrol
B. Kerosene
c. Diesel
D. None of these
10
52The fossil fuels include:
A. Uranium
B. Soil
c. Natural gas
D. Plants
10
53What is known as Ocean thermal
energy?
A. The Sun’s heat warms the surface water a lot more
than the deep ocean water which creates ocean’s naturally available temperature gradient
B. The Moon’s heat warms the surface water a lot more
than the deep ocean water which creates ocean’s naturally available temperature gradient.
C. The Solar cell’s heat warms the surface water a lot more than the deep ocean water which creates ocean’s naturally available temperature gradient.
D. None
10
54The vast amount of seaweeds present in ocean may provide an endless source of:
A. Carbon monoxide
B. Hydrogen sulphide
c. Methane
D. None of these
10
55The preserved traces of all living organisms are called as fossils.
A. True
B. False
10
564.
List five things that you can do to help in preventing an
energy crisis.
1.
10
57Which of the following supports most satisfactorily the organic
evolution?
A. Fossils
B. Neoteny
c. connecting links
D. None of the above
10
58Sun is the ultimate source of energy for
the earth.
A. True
B. False
c. Ambiguous
D. Data insufficient
10
59Energy available from the oceans is:
A . OTE
B. sea-waves energy
c. tidal energy
D. all of the above
10
60Define biomass.
A. Fossil fuels are also called biomass.
B. The wastes and dead parts of living beings are called biomass.
C. The wastes from industrial applications are called biomass.
D. The wastes and dead parts of living beings buried deep inside the earth are called biomass.
10
61Fuel formed under the earths surface by the decomposition of organic matter is:
A. organic fuel
B. bio-gas
c. fossil fuel
D. underground fuel
10
62Most of the fossils occur in the rocks as
A. Matamorphic
B. Igneous
c. sedimentary
D. All of the above
10
63Which of the following is not a biomass
energy source?
A. woodd
B. Cow dung
c. sugarcane
D. coal
10
64Ocean thermal energy is due to:
A. energy stored by waves in the ocean
B. temperature difference at different levels in the ocean
C. pressure difference at different levels in the ocean
D. tides arising out in the ocean
10
65What are the renewable and non-
renewable sources of energy?
10
66Fill in the blank space by choosing the correct word.
Coal and petroleum are commonly called fuels.
A . renewable
B. biomass
c. fossil
D. tidal
10
67Living fossil is
A . Latimeria
B. Uromastix
c. Archaeopteryx
D. All of the above
10
68A certain form of energy does not cause any pollution and is easily converted into electricity. It is not obtained directly or indirectly from the Sun. It is technically very difficult and expensive to obtain this form of energy
and it is not available everywhere. What is this form of energy called?
A. Wind energy
B. Nuclear energy
c. Geothermal energy
D. Tidal energy
10
69In a windmill:
A. the translational motion of the windmill is used to turn the turbine of the electric generator.
B. the rotatory motion of the windmill is used to turn the turbine of the electric generator.
C. the upward motion of wind is the primary source of energy.
D. slow winds are more efficient for energy production.
10
70The source of energy of the hot water
spring is geothermal energy.
A. True
B. False
c. Ambiguous
D. Data insufficient
10
71Bioenergy is obtained from energy stored in biomass.
A. chemical
B. heat
c. nuclear
D. thermal
10
72(a) Write names of any two conventional
sources of energy.
(b) Write any two limitations in harnessing wind energy.
10
73Instead of using biomass directly as fuel, it is always advantageous to use biogas produced from biomass.
a) What do you mean by biomass?
b) What are the advantages of using biogas as fuel?
10
74Which source of energy uses the
production of steam to generate electrical energy?
A. Hydroelectric
B. Nuclear
c. Tides
D. waves
10
75Combustion of a fuel produces heat
because:
A. of breaking of bonds of hydrocarbons
B. of formation of bonds of byproducts ( left(C O_{2}, H_{2} Oright) )
C. of formation of bonds of hydrocarbons.
D. of nuclear fission in hydrocarbons.
10
76The heat produced by one gram of charcoal is:
A . 20
в. 29.6 k
c. 39.2 k
D. 50 J
10
77Electricity produced by flowing water is called:
A. wind energy farm
B. Nuclear power
c. water power
D. None of these
10
78Gases like
and ( —— ) are generated in a biogas
plant.
A. Methane ( left(C H_{4}right),left(C O_{2}right), ) Hydrogen ( left(H_{2}right) ) and ( H_{2} S )
B. Sulphuric acid, ( left(C O_{2}right) ), Hydrogen ( left(H_{2}right) ) and ( H_{2} S )
C. Methane ( left(C H_{4}right), ) Oxygen, Hydrogen ( left(H_{2}right) ) and ( H_{2} S )
D. methane ( left(C H_{4}right), C O_{2}, ) Sulphuric acid and ( H_{2} S )
10
79Coke is obtained from
A. petroleum
B. Diesel
c. coal
D. None of these
10
80What are fossils?10
81The heat energy obtainable from hot
rocks present inside the earth crust is
termed as
A. Nuclear energy
B. Tidal energy
c. Geothermal energy
D. None of these
10
82Compare and contrast fossil fuels and the Sun as direct sources of energy.10
83While digging if fossils are found at deeper layers of the earth, we can conclude that
A. Fossil is the most recent
B. Fossil is very old may be more than thousand years
c. Fossil age cannot be computed
D. None of the above
10
84Electricity production from wave energy requires:
A. strong wavess
B. mild waves
c. Either (A) or (B)
D. None of the above
10
85Importance of fossils in deciding evolutionary relationships is
A. Fossils are just for visual beauty
B. Fossils provide missing links between two different groups and indicate their evolutionary relationship
c. All fossils are useless
D. None of these
10
86Choose the correct statement(s):
(1) Sewage can be used with gobar and agricultural waste to produce bio gas in biogas plant.
(2) The largest composition in biofuel is of methane.
A. (1) only
B. (2) only
C. Both (1) and (2)
D. None of the above
10
87Which of the following energy source is most costly?
A. Thermal Energy
B. Hydel Energy
c. Solar Energy
D. Fossil Energy
10
88Explain why fossil fuels are exhaustible
natural resources.
10
89The tidal power plants are constructed near the mouth of ( ldots . . . . . . . . . . ) bays.
A . renewable
в. huge
c. narrow
D. broad
10
90Water gas is a mixture of –
A ( cdot C O_{2} ) and ( O_{2} )
в. ( O_{2} ) and ( H_{2} )
c. ( H_{2}, N_{2} ) and ( O_{2} )
D. ( C O, N_{2} ) and ( H_{2} )
10
91Non-conventional sources of energy are
This question has multiple correct options
A. pollution-free
B. renewable
C. inexhaustible
D. exhaustible
10
92What are fossils?What do they tell us
about the process of evolution?
10
93Fossils are dated now by
A. Stratigraphic position
B. Amount of calcium residue
C. Association with other animals
D. Radioactive carbon contents
10
94Efficiency of gasoline is measured in terms of:
A. butane number
B. octane number
c. hexane number
D. none of these
10
95Write about ocean thermal energy.10
96What type of energy is described from heated ground water?
A. Hydroelectricç
B. Nuclear
c. solar
D. Geothermal
10
97State whether given statement is True or False
Electricity is power.
A. True
B. False
10
98Which one of the following is a renewable resource?
A. Natural gas
B. Petroleum
c. wind
D. coal
10
99Which of the following devices does not make use of solar energy directly?
A. Solar panels
B. Solar furnaces
c. solar cells
D. Dry cells
10
100Which of the following(s) are called fossil fuel?
A. Mineral Coal
B. Petroleum
c. Natural Gas
D. All of the above
10
101If ocean thermal energy is made
feasible and cheaper, it has
tremendous potential because:
A. Potential energy in oceans is immense
B. Ocean waves are very strong
c. Most of the solar energy is incident on the ocean surface
D. A lot of heat energy is trapped in the land mass below the oceans
10
102Which of these is not a fossil fuel?
A. coal
B. LPG
c. Bio gas
D. All are fossil fuel
10
103Fossils formed when a plant or animal
dies in a wet environment. The soft
tissue decomposes very fast and leaving bones aside. The significance of fossils is, they provide evidence of how
evolution is taking place. Type 1 for true and 0 for flase
10
104The amount of energy released in burning ( 1 mathrm{kg} ) of coal is
( A .3 M J )
в. 30 М
c. ( 300 M J )
D. ( 3000 M J )
10
105The air pollution caused by the internal combustion engine vehicles can be reduced by using:
A. CNG gas
B. LPG
c. petrol
D. either (a) or (b).
10
106Arrange the following steps in the conversion of hydel energy to electricity
in a proper sequence.
(a) Released water is made to fall on the
blades of the turbines.
(b) Water in the dam is released
(c) Water is collected in the dam.
(d) Potential energy is converted to kinetic energy.
(e) The armature of the electric
generator rotates to produce electricity.
A. b c de a
B. a d b ce
( c cdot e c d b a )
D. ( c b d ) a e
10
107The types of energies generated from
sea are:
A. Renewable and Non Conventional source of energy
B. Non Renewable and Non Conventional source of
energy
C. Renewable and Conventional source of energy
D. Non Renewable and Conventional source of energy
10
108Which of the following is released from biomass?
A. Cow-dung
B. Methane
c. oxygen
D. Helium
10
109What questions you will ask a
paleantologist about fossils?
10
110Destruction of large eco-systems occurs during the harnessing of
A. geothermal energy
B. tidal energy
c. wind energy
D. hydroelectric energy
10
111The primary source of energy stored in fossil fuels is derived from
A . Sea
B. Earth
c. sun
D. Rivers
10
112Fill the blanks with the correct option:
position potential mechanical chemical light kinetic.
1.An electric fan converts electrical
energy into ( _{text {一一一一一一一吃 }} ) ergy.
2.Coking gas converts_- – energy
into heat energy.
3.The energy possessed by a spring is ( _{text {therg. }} )
4.The energy possessed by a body due to its ( _{text {the called potential energy }} )
5.The energy possessed by a body due to its motion is called_- – – energy
10
113Which of the following is not a limitation of hydel energy?
A. Hydel power stations are pollution free.
B. A vast reservoir is needed
c. It leads to a loss of wildlife habitat.
D. It can be harnessed at only a few places
10
114The ultimate source of hydroelectric energy is:
A. potential energy of water
B. kinetic energy of water
c. solar energy
D. chemical energy
10
115Example of fossil energy is :
A. Alcohol
B. Hydrogen
c. Petrol
D. Gobar gas
10
116Write the definition of fossils and
explain the process of dating of fossil.
10
117What are known as conventional
sources of energy?
A. The sources which have been used for quite a long time and they are getting depleted
B. The sources which have been used for quite a long time and they are not getting depleted
C. The sources which have been used recently and they are getting depleted
D. The sources which are not used from ancient time and are renewable.
10
118( 4 mathrm{kg} ) of hot water at ( 343 mathrm{k} ) is added to 6kg of water at 293 k.The resultant temp. is 313 k. calculate the heat lost by the hot water and heat gained by the cold water assuming that there is no
heat loss to the surroundings.
10
119The energy generated by hydel projects constitutes only ( — ) of the total energy in the country.
A . ( 50 % )
B. ( 23 % )
c. ( 60 % )
D. ( 90 % )
10
120What is Biomass?
A. Organic fuel that is used for treatment of wastes.
B. Organic fuel that is used as a source of energy.
C . Organic matter that has a large mass.
D. Waste products from industries
10
121Gas obtained from animal dung and human excreta is called:
A. biogas
B. water gas
c. waste gas
D. all of these
10
122The energy possessed by coal, petroleum and natural gas is called
A. kinetic energy
B. potential energy
c. chemical energy
D. hydro energy
10
123Full form of OCTEC is:
A. Ocean Thermal Energy Conversion Power Plant.
B. Ocean Thermal Consumer Energy Power Plant.
C. Ocean Current Thermal Energy Cycle.
D. Ocean Current Thermal Electric Plant.
10
124Fossils are generally found in
A. Sedimentary rocks
B. Igneous rocks
c. Metamorphic rocks
D. Any type of rock
10
125Which of the following is an important source of light for us?
A. sun
B. Stars
c. Jupiter
D. Venus
10
126Specimens found underground which are 1000 years old or more are
A. Cadavers
B. Fossils
c. Bones
D. None of the above
10
127Gasoline is the name given to :
A. diesel oil
B. petrol
c. natural gas
D. crude oil
10
128Energy potential from various sources
of sea is
commercial exploitation of same is
A. Small, difficult
B. Large, difficult
c. small, easy
D. Large, easy
10
129Where is the Birbal Sahni Institute of
Palaeobotany located?
A. Aurangabad
B. Kanpur
c. New Delhi
D. Lucknow
10
130The energy possessed by wind is:
A. kinetic energy
B. potential energy
c. thermal energy
D. sound energy
10
131is a form of renewable
energy.
A. coal
B. Petroleum
c. wind
D. None of these
10
132Write any four benefits of using solar
cooker.
10
133Which of the following is not an application of wind energy?
A. Removing husk from grains
B. Propelling sail boats in rivers and seas
c. windmills
D. Cyclones
10
134Why liquid fuel is better than solid fuel?
A. It is cheaper than solid fuel
B. It can be extracted easily
c. It does not leave any solid residue
D. All of these
10
135Choose the correct statement.
A. Power of magnets in hydro power plants increases with time.
B. Magnets are involved in the generation of electricity in hydro power plants.
C. In hydro power plants, magnetic energy is converted into electrical energy.
D. In hydro power plants, electrical energy is converted into magnetic energy.
10
136Which of the following is important features of fossils which help in the study of evolution?
A. Fossils help in establishing evolutionary traits among organisms and their ancestors
B. Fossils help in establishing the time period in which organisms lived
c. Fossils represent modes of preservation of ancient species
D. All of the above
10
137In a wind mill the electric energy is converted into mechanical energy.
A. True
B. False
c. Ambiguous
D. Data insufficient
10
138What is the main component in CNG?10
139sources of energy:
A . Highly polluting
B. Unreliable supply
C. High running cost
D. High waste disposal cost
10
140Which of the following is not an
advantage of hydro energy?
A. Flowing water is found everywhere. So hydro energy can be obtained easily.
B. It is a renewable source of energy.
C. It do not cause any pollution.
D. All of the above.
10
141All are solid fuels except:
A. Alcohol
B. Wood and Coal
c. coke
D. charcoal
10
142As the water is released through control valves, ( _{–}-_{-} ) of water changed to
A. Rotational energy, potential energy
B. Kinetic energy, potential energy
c. Potential energy, rotational energy
D. Rotational energy, thermal energy
10
143Which of the following are fossils?
A. Pollen grains buried in the bottom of a peat bog.
B. The petrified cast of a clam’s burrow.
C. The impression a clam shell made in mud, preserved in mudstone.
D. All of the above.
10
144Energy can be extracted by creating a reservoir or basin behind a barrage and then passing tidal waters through turbines in the barrage to generate electricity. This form of energy is known
as
A. solar energy
B. wind energy
c. hydro energy
D. tidal energy
10
145Why is charcoal a better fuel when
compared to wood?
A. Charcoal burns without flames
B. Charcoal has higher heat generation efficiency
c. Both A and B
D. None
10
146Sometimes, the remains of a dead
animal escape destruction and become buried in sediment of ash or survives
under heating, crushing or folding. The sediment or rock becomes elevated as a
part of the land, escapes destructive erosion by water or wind and the object becomes exposed or dug out and comes to the attention of a zoologist. Such a phenomenon leads to the formation of:
A. A new species
B. A new animal
c. A new fossil
D. No, this is not possible
10
147a. Write one example each for fossil fuels in solid and liquid state.
b. Which fossil fuel produces ammonia when distilled in the absence of air?
10
148Write the energy conversion that takes place in a hydropower plant.10
149Which of the following is renewable source of energy?
A. Nuclear fuels
B. Natural gas
c. Fossil fuels
D. Geothermal energy
10
150The basic source of wind energy, hydro energy, and fossil fuel energy is10
151The energy possessed by the fast moving air or storm is called:
A. hydro energy
B. kinetic energy
c. geothermal energy
D. wind energy
10
152Biogas plant is generally made of what?
A. Bricks
B. wood
c. Tiles
D. Plaster of Paris
10
153From below which is the type of energy
from sea?
A. Tidal Energy
B. Wave Energy
c. ocean Thermal Energy
D. All of above
10
154Compare and contrast bio-mass and hydro electricity as sources of energy.10
155( 65 % ) by volume is hydrogen gas in the biogas
A . True
B. False
c. Ambiguous
D. Data insufficient
10
156Biogas is a mixture of:
( mathbf{A} cdot S O_{2}+H_{2} S )
B ( cdot O_{2}+C O_{2}+O_{3} )
( mathbf{c} cdot C O_{2}+C H_{4}+N_{2}+H_{2} S )
D. ( N O_{2}+H_{2}+C O_{2} )
10
157The two different ways of harnessing energy from ocean are :
A. Tidal Wave, OTEC
B. Geothermal, wave energy device
C. Solar energy, point wave absorber
D. All of the above
10
158Sequence of energy conversion in a thermal power plant is:
P) Heat energy Q) Electrical energy R Mechanical energy
A ( . P rightarrow Q rightarrow R )
в. ( P rightarrow R rightarrow Q )
c. ( R rightarrow Q rightarrow P )
D. ( Q rightarrow R rightarrow P )
10
159The fuel formed by the marine animal and plant remnants is :
A. Petroleum
B. Electricity
c. Biogas
D. coal
10
160Coal can be converted into:
A. synthetic petrol
B. coal gas
c. electricity
D. All of these
10
161To which of the following the oldest fossils belong?
A. Algae
B. Fungi
c. Blue green algae
D. Both A and C
10
162When compared to other kinds of energy
providing fuels like petrol and wood, electricity is better because it :
A. causes minimum pollution
B. is renewable
c. is cheaper
D. all of these
10
163From below what is used to generate electricity in thermal power plants?
A. Fossil Fuels
B. water
c. solar energy
D. Nuclear energy
10
164The term Black gold is used for:
A . coal
B. petroleum
c. graphite
D. charcoal
10
165Preserved traces of living organisms are
called as fossils. What type of fossil is
shown in the figure?
A. Fossil of a tree trunk
B. Fossil of trilobite
C. Fossil of ammonite
D. Fossil of Knightia
10
166How fossil fuels are formed:
A. Formed from remains of dead plants and animals under the earth
B. Formed from remains of living plants and animals under the earth
C. Formed from charcoal
D. None
10
167Tidal energy works using:
A. average of sea levels of high and low tides.
B. resisting the formation of tides.
C. difference in sea levels between high and low tides
D. using heat energy in tides.
10
168All of the following are the examples of fossil fuels except:
A. petroleum
B. coal
c. natural gas
D. charcoal
10
169Fossils are mostly present in which of the following rocks?
A. Igneous rocks
B. Sedimentary rocks
c. Metamorphic rocks
D. coarse-grained rocks
10
170Potassium-argon dating can determine the age of the fossils
A. of about 5,00,000 years old
B. 2 billion years old
c. of all ages
D. of azoic era only
10
171Gobar gas is a:
A. solid fuel
B. liquid fuel
C . primary fuel
D. secondary fuel
10
172Which of these is not related to energy
efficiency?
A. Useful energy
B. ( k W )
c. Heat
D. Energy transformation
10
173Which is not the renewable source of
energy?
A. wind
B. water
c. natural gas
D. tides
10
174Define renewable sources of energy.
A. A source whose energy supplied can be renewed is called renewable source of energy.
B. A source of energy which will exhaust in future is called renewable source of energy.
C. A natural source providing us energy which takes long time to replenish.
D. A source of energy which causes environmental pollution is called renewable source of energy.
10
175Explain the importance of fossils in
deciding evolutionary relationships.
10
176Common source of energy used for cooking in rural parts of India is:
A. sun
B. coal
c. wood and animal dung
D. None of the above
10
177Fossilization would occur when flora
and fauna are buried by
A. Natural processes
B. Industrial processes
c. Enzymatic process
D. All of the above
10
178The minimum speed of wind necessary for the satisfactory working of a wind generator to produce electricity is about:
A. ( 15 mathrm{km} / mathrm{h} )
B. 20 ( mathrm{m} / mathrm{h} )
( c cdot 12 m / s )
D. ( 50 mathrm{km} / mathrm{h} )
10
179Which of the following is not ultimately derived from the Sun’s energy?
A. geothermal energy
B. wind energy
c. nuclear energy
D. bio-mass
10
180Which fuel has the highest energy content per unit of mass of any chemical fuel?
A. Petrol
B. Hydrogen
c. Uranium
D. coal
10
181What is not required in the formation of biogas in a biogas plant?
A. water
B. Oxygen
c. cow-dung
D. Anaerobic bacteria
10
182Generation of non-conventional energy
produces air pollution.
A. True
B. False
10
183The biggest drawback of tidal energy is:
A. it causes excessive pollution in oceans
B. locations where it can be harnessed are limited
c. the height difference of tides is low and much energy is not produced
D. it needs a lot of manpower
10
184Waves are used to rotate
to generate electricity. Fill in the gap.
A. Rotor of Dynamo
B. Turbine of dam
c. Wheel of wind mill
D. Armature of motor
10
185Fossil ( X ) is older than fossil ( Y ). Most
evident answer is:
A. Fossil Y has got some of the vestigial organs which are functional in ( x ).
B. Fossil Y has got homologous and analogous organs of fossil X.
C. Fossil ( X ) is found in deeper sedimentation than ( Y )
D. Fossil ( Y ) was found in better state than that of ( x ).
10
186The water stored in the dam on a river
has
A. Kinetic energy
B. Potential energy
c. Electrical energy
D. Biomass energy
10
187Which type of energy sources are fossil
fuels? Write down any two names of fossil fuels.
10
188Fossils are dated now by
A. Stratigraphic position
B. Amount of calcium residue
C. Association with other animals
D. Radioactive carbon (C-14) contents
10
189The neccesary conditions for combustion process of occur are :
(A) availability of air/oxygen
(B) availability of air/oxygen and fuel
(C) temperature of fuel below ignition temperature
(D) temperature of fuel above ignition temperature Select the correct alternatives.
A . A and B
B. B and D
( c cdot c ) and ( A )
D. D and A
10

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