RRB NTPC PREVIOUS YEAR SOLVED QUESTION PAPER

RRB NTPC PREVIOUS YEAR SOLVED QUESTION PAPER AND EXAM PATTERN & Syllabus

RRB NTPC 2020: Railway NTPC exam 2019-20 will be held to recruit 35,208 vacancies for the posts of Non-Technical Popular Categories (NTPC) i.e. Junior Clerk cum Typist undergraduate, Accounts Clerk cum Typist undergraduate, Junior Time Keeper, Trains Clerk, Commercial cum Ticket Clerk, Traffic Assistant, Goods Guard, Senior Commercial cum Ticket Clerk, Senior Clerk cum Typist, Junior Account Assistant cum Typist, Senior Time Keeper, Commercial Apprentice and Station Master in quite a number Zonal Railways and Production Units of Indian Railways. Railway Recruitment Board conducts Railway NTPC and different railway examinations giving candidates a golden probability to fulfill their dream of becoming a member of the prestigious Government Sector (Indian Railways) in India. RRB NTPC 2019-20 Recruitment is particularly for the candidates who are having Graduate Degree from any acknowledged university

In this article, we are protecting Railway NTPC 2019-20 Notification, Online Application Details, Exam Dates, Fee, Exam Pattern, Syllabus, Admit Card, Vacancies & Eligibility Criteria & NTPC Full Form.

RRB NTPC 2020 Exam will be performed in two degrees i.e. 1st stage(Prelims) and 2nd stage(Mains). The Syllabus for RRB NTPC stage 1 and stage two are the same. The foremost trade-in stage 1 and stage two for the RRB NTPC examination is the examination pattern. RRB NTPC examination will include three sections i.e Mathematics (Arithmetic Ability), Reasoning & General Intelligence, and General Awareness (General Science). The certain RRB NTPC Syllabus is mentioned below:

Exam pattern and syllabus :

The exam will be held in two stages

1st Stage Computer Based Test (CBT- 1)

2nd stage computer Based Test (CBT- 2)

Computer Based Test (CBT-1)

Sections No. of Questions: 100

Mathematics: 30

General Intelligence and Reasoning: 30

General Awareness: 40

Total Marks: 100

computer Based Test (CBT- 2)

Sections No. of Questions: 120

Mathematics: 35

General Intelligence and Reasoning: 35

General Awareness: 50

Total Marks: 120

RRB NTPC Syllabus :

a) Mathematics :

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Elementary Algebra, Geometry and Trigonometry, Elementary Statistics, Number System, Decimals, Fractions, LCM, HCF, Ratio and Proportions, Percentage, Mensuration, Time and Work, Time and Distance, Simple and Compound Interest, Profit and Loss, etc.

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b) Reasoning and Gi :

Analogies, Data Sufficiency, Statement- Conclusion, Statement- Courses of Action, Decision Making, Completion of Number and Alphabetical Series, Coding and Decoding, Mathematical Operations, Similarities and Differences, Relationships, Analytical Reasoning, Syllogism, Jumbling, Venn Diagrams, Puzzle, Maps, Interpretation of Graphs, etc.

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c) General Awareness :

Current Events of National and International Importance (Current Affairs), Games and Sports, Art and Culture of India, Indian Literature, Monuments and Places of India, General Science and Life Science (up to tenth CBSE), History of India, and Freedom Struggle, Physical, Social and Economic Geography of India and World, Indian Polity and Governance- charter and political system, Common Abbreviations, Transport Systems in India, Indian Economy, Famous Personalities of India and World, Flagship Government Programs, General Scientific and Technological Developments together with Space and Nuclear Program of India, UN and Other vital World Organizations, Environmental Issues Concerning India and World at Large, Basics of Computers and Computer Applications, Flora and Fauna of India, Important Government and Public Sector Organizations of India, etc.

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India’s Ranking in Various Indexes 2020

Indexes	Rank/ Result
The Human Development Index(HDI), 2019	129
Global Talent Competitive Index, 2019	72
Ease of Doing Business, 2019	63
Global Competitive Report, 2019`	68
Global Gender Gap Report, 2020	112
World Economic Outlook, 2020 (International Monetary Fund)	This Outlook report which is taken out by IMF, measures or charts the growth of the World Economy. The Report states that the Global Economy is set to contract by 3%. IMF estimates project that India is expected to grow at a rate of 1.9& in 2020, while in 2021 estimates suggest that India is expected to grow at a rate of 7.4%.
Global Innovation Index, 2019	52
Global Peace Index, 2019	141
Safe Cities Index, 2019	45th is the rank of Mumbai (the only city in the top 50 of the index) Delhi occupies the 52nd rank on the Index
World Inequality Index, 2019	147
World Press Freedom Index, 2020	142
Corruption Perception Index, 2020	80
Global Terrorism Index, 2019	7
UN World Happiness Report, 2020	144
Global Hunger Index, 2019	102
Global Animal Protection Index, 2020: The Index ranks countries from A(Highest Score) to G(Lowest Score)	India is ranked on the C Band, which is amongst the highest.
Nomura’s Food Vulnerability Index, 2019	44
International Intellectual Property Index, 2020	40
Global Democracy Index, 2019	51
B2C ( Business to Consumer) E-Commerce Index	73
Global Climate Risk Index, 2020	5
Climate Change Performance Index, 2019	9
World Giving Index, 2019	82
QS India University Ranking	IIT Bombay ranked at the top amongst Universities in India at 172
Hurun Global Unicorn List, 2019	3
Global Health Security Index, 2019	57
World Digital Competitiveness, 2019	44
Travel and Tourism Competitiveness Index, 2019	34
Global Liveability Index, 2019	Delhi and Mumbai are at 118th and 119th position respectively
Global Kids Rights Index, 2019	117
Asia Power index	4
Inclusive Internet Index	47

List of Other Important Indexes

Indexes	Rank/ Result
The Human Development Index(HDI), 2019	129
Global Talent Competitive Index, 2019	72
Ease of Doing Business, 2019	63
Global Competitive Report, 2019`	68
Global Gender Gap Report, 2020	112
World Economic Outlook, 2020 (International Monetary Fund)	This Outlook report which is taken out by IMF, measures or charts the growth of the World Economy. The Report states that the Global Economy is set to contract by 3%. IMF estimates project that India is expected to grow at a rate of 1.9& in 2020, while in 2021 estimates suggest that India is expected to grow at a rate of 7.4%.
Global Innovation Index, 2019	52
Global Peace Index, 2019	141
Safe Cities Index, 2019	45th is the rank of Mumbai (the only city in the top 50 of the index) Delhi occupies the 52nd rank on the Index
World Inequality Index, 2019	147
World Press Freedom Index, 2020	142
Corruption Perception Index, 2020	80
Global Terrorism Index, 2019	7
UN World Happiness Report, 2020	144
Global Hunger Index, 2019	102
Global Animal Protection Index, 2020: The Index ranks countries from A(Highest Score) to G(Lowest Score)	India is ranked on the C Band, which is amongst the highest.
Nomura’s Food Vulnerability Index, 2019	44
International Intellectual Property Index, 2020	40
Global Democracy Index, 2019	51
B2C ( Business to Consumer) E-Commerce Index	73
Global Climate Risk Index, 2020	5
Climate Change Performance Index, 2019	9

List of Joint Military Exercises of India 2019

India’s relation with foreign countries is expanding day by day and in past few years our country implemented many military joint exercises with countries over the world. This list contain all the important exercises that Indian Military has undertaken in the year 2020. Go through the list given below as it is very important for the aspirants preparing for Banking, SSC and other exams.

Name of the Joint Military Exercise	Participating forces/Nations	Conducted at
EX Indhradhanush – V 2020	Indian Air Force(IAF) & Royal Air Force(RAF)	Air Force Station, Hindon, Ghaziabad, Uttar Pradesh
Ajeya Warrior 2020	Indian & United Kingdom	United Kingdom
Defense Expo	–	Lucknow, Uttar Pradesh
Sahyog-Kaijin	India & Japan	Chennai, Tamil Nadu
MLAN 2020	–	Visakhapatnam, Andhra Pradesh
BIMSTEC Disaster Management Excercise, 2020	India, Bangladesh, Nepal, Sri Lanka & Myanmar	Puri, Odisha
Sampriti -IX	India & Bangladesh	Umroi, Meghalaya
NAVARMS – 19	–	New Delhi, India
Hand-in-Hand VIII, 2019	India & China	Umroi, Meghalaya
Indra, 2019	India & Russia	(i) Babina, Uttar Pradesh (ii) Pune, Maharashtra (iii) Goa
Mitra Shakti VII	India & Sri Lanka	Pune, Maharashtra
Dustlik, 2019	India & Uzbekistan	Tashkent, Uzbekistan
Zai’r- Al- Bahr	India & Qatar	Doha, Qatar
CORPAT-19	India & Bangladesh	Northern Bay of Bengal
Dharma Guardian	India & Japan	Mizoram
Exercise Shakti’19	India & France	Rajasthan
Samudra Shakti	India & Indonesia	Bay of Bengal
“Him Vijay”	India & China	Arunachal Pradesh
Nomadic Elephant – XIV	India & Mongolia	Bakloh, Mongolia
“Tiger Triumph”	India & USA	Vishakhapatnam and Kakinada, Andhra Pradesh
“Chang Thang”	India & China	Eastern Ladakh, China
Ekuverin	India & Maldives	Pune, Maharashtra
Yudh Abhyas	India & USA	Washington D.C., USA
MAITREE	India & Thailand	Meghalaya
Malabar Exercise	India, Japan & USA	Japan
KAZIND – 2019	India & Kazakhstan	Pithoragarh, Uttarakhand
TSENTR 2019	China, Tajikistan, India, Kyrgyzstan, Kazakhstan, Pakistan & Uzbekistan	Russia
Garuda-VI, 2019	Indian Army and Frech Army	Mont De Marsan, France
AL NAGAH III	Indian Army and Royal Oman Army	Jabel Al Akhdar Training Camp, Oman
Sampriti-2019	India & Bangladesh	Tangail, Bangladesh
Bold Kuruksetra 2019	India & Singapore	Babina, Uttar Pradesh
SIMBEX 2019	India & Singapore	South China Sea
Varuna 2019	India & France	Coast of Goa
AUSINDEX 2019	India & Australia	Vishakhapatnam, Andhra Pradesh
Mainamati Maitree Exercise 2019	Border Security Force(BSF) & Border Guards of Bangladesh (BGB)	Sipahijala, Bangladesh
Mitra Shakti VI	India & Sri Lanka	Sri Lanka
AVIANIDRA	India & Russia	India
SAHYOG HOP TAC	India & Vietnam	Bay of Bengal

Important Books And Authors 2020

Every competitive exam aspirant knows the importance of General Awareness/Current Affairs knowledge. Not only it helps to score well in the GK section but it also boosts the overall score. The General Awareness section consists of questions based on the recent news related to History, Awards and Honours, Polity, Economy, Banking, International organizations, Government Policies and Reforms, Important Appointment, Important Days, etc. In this article, we will give you a detailed list of Books released along with their Authors. These book releases are categorized as per the months and also have information regarding the theme of the book. If you are preparing for Banking, SSC, Defence, Railways, UPSC, etc. competitive exams then keep yourself updated regarding these important book launches to boost your exam preparations.

Books and Authors April 2020

Book Name	Author	Book Details/Theme
How the Onion Got Its Layers	Sudha Murty	Released in an audio format for the first time, for children
Shuttling to the Top: The Story of P V Sindhu	Krishnaswamy V	Showcases the story of P V Sindhu, her life and journey to become one of the finest badminton players in the world
Biography of Melania Trump	Mary Jordan	Book is named as “The Art of Her Deal,” and will be released on 16 June 2020
Kobe Bryant and Wesley King	Kobe Bryant and Wesley King	Story of a Basketball player

Books and Authors March 2020

Book Name	Author	Book Details/Theme
An Extraordinary Life: A biography of Manohar Parrikar	Sadguru Patil and Mayabhushan Nagvenkar	The book is based on the life of bureaucrat-turned-politician Manohar Parrikar, who served as the defence minister and Goa’s Chief Minister
The Adventures of the Daredevil Democrat	Naveen Patnaik	Based on life and works of legendary leader and Naveen Patnaik’s father Biju Patnaik
The 12 Commandments of Being A Woman	Tahira Kashyap Khurrana	Book will be released later in the year 2020
Chronicles of Change Champions in New Delhi	Smriti Irani	It is a compilation of 25 innovative initiatives taken at the state and district levels under the Prime Minister’s flagship scheme of Beti Bachao, Beti Padhao

Books and Authors February 2020

Book Name	Author	Book Details/Theme
Messages from Messengers	Priti K Shroff	The book is based on Indian culture and tradition
The Thin Mind Map Book	Dharmendra Rai	Based on life and works of legendary leader and Naveen Patnaik’s father Biju Patnaik
A Child of Destiny	K. Ramakrishna Rao	Book released by Venkaiah Naidu. It is an autobiography penned by Prof. K. Ramakrishna Rao

Books and Authors January 2020

Book Name	Author	Information
A New India: Selected Writings 2014-19	Arun Jaitley	The book is based on policies and decisions made by the Prime Minister Narendra Modi’s government during its first stint
Asha and the Spirit Bird’.	Jasbinder Bilan	Bagged a coveted UK children’s book award
Karmayoddha Granth	Union Home Minister	Based on the life of Prime Minister Narendra Modi

Important Notes on Census 2011

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RRB NTPC : Top 100 Physics Important Questions

Q1) Blades of a windmill possess ____________ hence they are turned by a fast wind.

Ans -: Potential Energy

Q2) A dark-skinned man experiences ____________ as compared to a fair skinned man.

Ans -: Less heat & Less cold

Q3) What device is used to break/complete an electronic circuit?

Ans -: Switch

Q4) What is the temperature at which both the Fahrenheit and the centigrade scales have the same value?

Ans -: -40°

Q5) Acceleration acts always in the direction of the ____________.

Ans -: Net force

Q6) The principle used in working of an atom bomb is ____________.

Ans -: Nuclear Fission

Q7) What is the unit used to measure the depth of sea?

Ans -: Fathom

Q8) Astigmatism can be corrected by ____________.

Ans -: Cylindrical lenses

Q9) Lambert’s Law is related to _____________.

Ans -: Illumination

Q10) In a Battery, which energy is converted into Electrical energy?

Ans -: Chemical Energy

Q11) The longitudinal mechanical waves of less than 20Hz are called ____________ .

Ans -: Infrasonic

Q12) Distance of stars are measured in ____________?

Ans -: Light Years

Q13) Albert Einstein was awarded the Noble prize for _____________.

Ans -: Photoelectric Effect

Q14) Electric Motor converts the Electric energy into ____________.

Ans -: Electric energy to Mechanical energy

Q15) Robert Koch has invented the _____________.

Ans -: Electron microscope

Q16) Force of attraction between the molecules of different substances is called ____________.

Ans -: Adhesive Force

Q17) Electrons in Good conductors are _____________.

Ans -: loosely bound

Q18) One barrel of oil = ____________ liters. (approximately)

Ans -: 159

Q19) If a bar magnet is cut length wise into 3 parts, what will the total number of poles be?

Ans -: 6

Q20) If the body is hollow, then its center of gravity lies?

Ans -: Outside the material

Q21) If the temperature inside a room is increased, the relative humidity will.

Ans -: Decrease

Q22) In summer, the mirages are seen due to the phenomenon of ____________.

Ans -: Total Internal Reflection

Q23) In the visible spectrum which colour has the longest wavelength?

Ans -: Red

Q24) In which medium sound travels faster?

Ans -: Solid

Q25) Insects can move on the surface of water without sinking due to _____________.

Ans -: Surface tension of water

Q26) The Laws of Electrolysis were proposed by –

Ans -: M Faraday

Q27) Light travels in a _____________.

Ans -: Straight line

Q28) What is used as a cooling agent in most of the world’s commercial nuclear power plants?

Ans -: Water

Q29) Nature of sound wave is _____________?

Ans -: Longitudinal

Q30) 1 fermi unit is equal to –

Ans -: 10⁻¹⁵m

Q31) How many basic S.I. units are there?

Ans -: Seven

Q32) What is the principle on which a transformer works?

Ans -: Mutual Induction

Q33) The distance between Earth and Sun is termed as –

Ans -: 1 Astronomical unit

Q34) Potential energy of your body is minimum when you ____________.

Ans -: Lie down on ground

Q35) What is the freezing point (temperature) of Pure water?

Ans -: 32 F

Q36) What is the unit of measurement of an Angle?

Ans -: Radian

Q37) Radio waves of constant amplitude can be generated with an _____________.

Ans -: Oscillator

Q38) Hooke’s law is related to

Ans -: Elasticity

Q39) Sudden fall in barometer is indication of ____________.

Ans -: Storm

Q40) Water moving up a straw is an example of _____________.

Ans -: Capillary Action

Q41) The blue colour of the clear sky is due to _____________.

Ans -: Dispersion of Light

Q42) What is a magnetic field’s direction within a magnet?

Ans -: From South to North

Q43) The experiment demonstrating the existence of electromagnetic wave was first conducted by –

Ans -: Heinrich Hertz

Q44) The filament string in an electric bulb is made of which metal?

Ans -: Tungsten

Q45) Drag is the ____________force exerted by fluids.

Ans -: Friction

Q46) The hydraulic brake used in automobiles is a direct application of _____________.

Ans -: Pascal’s Law

Q47) The image formed by convex lens in a simple microscope is ____________.

Ans -: Virtual & Erect

Q48) What kind of mirror is used in motor vehicles near the driver’s seat?

Ans -: Convex Mirror

Q49) ____________are present in the nucleus of an atom.

Ans -: Neutrons and protons

Q50) The size of atomic nucleus is of the order of _____________.

Ans -: 10⁻¹⁵ m

Q51) From the moon’s surface, Astronauts see a Black Sky. This is because of ____________.

Ans -: Absence of Atmosphere on Moon

Q52) The specific resistance of a wire varies with its ____________.

Ans -: Material

Q53) The speed of light will be decreased with the rise in the temperature of the medium. True or False.

Ans -: False. (It remains unchanged)

Q54) Which is the strongest force in the nature?

Ans -: Nuclear Force

Q55) Which device is used to measure the temperature of the sun?

Ans -: Pyrometer

Q56) Which phenomenon occurs when light passes from a denser to rarer medium?

Ans -: Total Internal reflection

Q57) Which substances do not allow flow of charge through them?

Ans -: Insulators

Q58) The value of which quantity remains same in all system of units?

Ans -: Specific Gravity

Q59) What is the speed of sound in air?

Ans -: 332m/sec

Q60) The working of the quartz crystal in the watch is based on which effect?

Ans -: Piezoelectric Effect

Q61) Permanent magnets are made of ____________.

Ans -: Steel

Q62) During a fog, the visibility is reduced. This is because of which phenomenon?

Ans -: Scattering of light

Q63) Weightlessness experienced in a spaceship is due to ____________.

Ans -: Absence of Gravity

Q64) Which device is used to find submerged objects?

Ans -: SONAR

Q65) What converts the alternating current into direct current?

Ans -: Rectifier

Q66) Which element is used as a moderator in nuclear reactors?

Ans -: Graphite

Q67) Which device converts light energy into electric energy?

Ans -: Photoelectric cell

Q68) The unit of power of lens is called _____________.

Ans -: Dioptre

Q69) What is the unit of Radioactivity?

Ans -: Curie

Q70) An object has to attain the velocity of ____________ to escape from earth’s atmosphere?

Ans -: 11.2 km/sec

Q71) What is the measuring unit of length of light waves?

Ans -: Angstrom

Q72) A short duration wave is known as –

Ans -: Pulse

Q73) When did Einstein propose that matter can be converted into energy?

Ans -: 1905

Q74) What is the SI unit of luminous intensity?

Ans -: Candela

Q75) What is the unit of magnetic flux?

Ans -: Maxwell

Q76) What is the unit of specific resistance?

Ans -: Ohm-metre

Q77) The wavelength of visible spectrum ranges from ____________.

Ans -: 390-700 nanometres

Q78) A Washing machine works on the principle of –

Ans -: Centrifugation

Q79) When a ball is thrown upward, what happens to its Acceleration?

Ans -: It remains Constant

Q80) Magnifying glass is made of which type of lens?

Ans -: Convex lens

Q81) What colour will a red glass appear if it is heated in dark room?

Ans -: Green

Q82) What happens to the surface tension of the water when a detergent is added to it?

Ans -: Decreases

Q83) The value of ‘g’ (acceleration due to gravity) is maximum at ____________?

Ans -: at poles

Q84) Which instrument is used to measure altitudes in aircrafts?

Ans -: Altimeter

Q85) Which instrument is used to measure change in volume of substances?

Ans -: Dilatometer

Q86) Which instrument is used to measure depth of ocean?

Ans -: Fathometer

Q87) The power of electric circuit is measured with a ____________.

Ans -: Wattmeter

Q88) Which instrument is used to measure the scattering of light by particles suspended in a liquid

Ans -: Nephelometer

Q89) Which is more elastic – Steel or Rubber?

Ans -: Steel

Q90) Which is the only natural magnet?

Ans -: Magnetite

Q91) What Principle is used in the designing of ships and submarines?

Ans -: Archimedes Principle

Q92) Nuclear Fissions are initiated by ____________.

Ans -: Neutrons

Q93) The wire in an electric heater is made up of ____________.

Ans -: Nichrome

Q94) During Sonography which types of Waves are used?

Ans -: Ultrasonic waves

Q95) Diode Bulb was discovered by ____________.

Ans -: Sir J. S. Fleming

Q96) Who gave the first experimental value of G?

Ans -: Cavendish

Q97) Who had showed that the electric and magnetic waves are equal in vacuum?

Ans -: James Clerk Maxwell

Q98) What is the escape velocity of Moon?

Ans -: 2.38 Km/s

Q99) Why does a liquid drop tend to assume a spherical shape?

Ans -: To minimize surface tension

Q100) Resistance of a Conductor is inversely proportional to it’s ____________.

Ans -: Cross Sectional Area

RRB NTPC : Top 100 Chemistry Important Questions

Q1) What is used in nuclear reactor as a moderator. It is also known as Heavy Water?

Ans -: Deuterium Oxide (D2O)

Q2) Which Metal is in liquid state at room temperature?

Ans -: Gallium

Q3) ________ elements are non-metal.

Ans -: Electro-negative

Q4) What is known as Artificial Silk.

Ans -: Reyon

Q5) Nitrous Oxide (N2O) is also known as –

Ans -: Laughing Gas

Q6) Which compound is used to prepare water proof clothes?

Ans -: Calcium hydride

Q7) Which Nobel Gas is also known as ‘Stranger Gas’?

Ans -: Xenon

Q8) Which Acid is known as ‘Oil of Vitriol’?

Ans -: Sulphuric acid

Q9) For making of parachute, which polymeric substance used?

Ans -: Viscose

Q10) Acid rain is caused when the air is polluted by Gases.

Ans -: Nitrous Oxide & Sulphur dioxide

Q11) All noble gases are _________ & _________ .

Ans -: Colourless and Odourless

Q12) is used as a Water Purifier.

Ans -: Alum

Q13) Aluminium is extracted from which ore?

Ans -: Bauxite

Q14) The Process is used to synthesized Ammonia (NH3)?

Ans -: Haber’s Process

Q15) Which compound/acid commonly known as Aspirin?

Ans -: Acetylsalicylic Acid

Q16) _________ gas used to fill Balloons.

Ans -: Helium

Q17) is also known as Baryta Water?

Ans -: Barium Hydroxide

Q18) Best sources for Vitamin D are –

Ans -: Sunlight & Fish liver

Q19) Which gas is the chief component of Bio-gas?

Ans -: Methane

Q20) _________ is the purest form of Carbon found in Nature.

Ans -: Diamond

Q21) The Chemical name of ‘Washing Soda’ is –

Ans -: Sodium Carbonate

Q22) What is the Chemical name of Chromic Acid?

Ans -: Chromium trioxide

Q23) Chemical name of Picric Acid is –

Ans -: Tri Nitro Phenol

Q24) In Photography, which chemical used as a fixer.

Ans -: Sodium thiosulphate

Q25) What are used to control the chain reaction in a nuclear reactor?

Ans -: Cadmium rods

Q26) In sunlight, Chloroform is converted into , a poisonous gas.

Ans -: Phosgene

Q27) Which Vitamin contains Cobalt?

Ans -: Vitamin B12

Q28) _________ is one of the most common preservatives used in food processing industry?

Ans -: Benzoic Acid

Q29) Which compounds are responsible for permanent hardness of water?

Ans -: Sulphates and Chlorides of Calcium and Magnesium

Q30) The temporary hardness of water is caused because of which compounds?

Ans -: Bicarbonates of Calcium and Magnesium

Q31) Copper is extracted from which ore?

Ans -: Copper Pyrite

Q32) When there is , Dead organisms are transformed into petroleum and natural gas.

Ans -: Absence of air

Q33) Deuterium is of Hydrogen.

Ans -: Isotope

Q34) the weight of iron is when it is undergoing the process of ‘rusting’.

Ans -: Increases

Q35) Efficiency of the catalyst depends on its –

Ans -: Molecular State

Q36) Egg shell is made up of .

Ans -: Calcium Carbonate

Q37) Which Vitamins are Fat Soluble?

Ans -: A, D, E & K

Q38) Which was the First organic compound synthesized in a lab and it was done by whom?

Ans -: Urea by Friedrich Wöhler

Q39) Fuse wire is made up of .

Ans -: Lead and Tin

Q40) _________ is used to coat Galvanised Iron.

Ans -: Zinc

Q41. Which Gases are used by sea divers for under water breathing?

Ans -: Oxygen & Helium

Q42. _________ & _________ gases are helpful for ripening of raw fruits.

Ans -: Ethylene & Acetylene

Q43. The found in an ore is known as Gangue.

Ans -: Impurities

Q44. Iron is extracted from which ore?

Ans -: Hematite

Q45. Kerosene is a mixture of _________ .

Ans -: Aliphatic hydrocarbons

Q46. Which Element is used for making of Lead pencil.

Ans -: Graphite

Q47. The lightest metal is .

Ans -: Lithium

Q48. _________ is the main ore of Mercury.

Ans -: Cinnabar

Q49. Which Metal is found in the highest proportion in earth’s crust?

Ans -: Aluminium

Q50. Mine explosions are mostly caused by mixing of Air & .

Ans -: Methane

Q51. What is the compound used to in Nail polish remover?

Ans -: Acetone

Q52. Natural rubber is a polymer derived from .

Ans -: Isoprene

Q53. The coating on non-stick cookware is of .

Ans -: polytetrafluoroethylene (PTFE) – TEFLON

Q54. The Nuclear Fusion on the Sun’s surface result into formation of Atoms.

Ans -: Helium

Q55. Organic Compounds are only soluble in .

Ans -: Non-polar solvents

Q56. is also known as “FOOL’S GOLD”.

Ans -: Iron Pyrite

Q57. In an Oxidation process happens.

Ans -: Loss of electrons

Q58. Oxides of metals are _________ .

Ans -: Alkaline

Q59. Ozone is in nature.

Ans -: Diamagnetic

Q60. The chemical composition of paper is that of a .

Ans -: Cellulose

Q61. Paraffin wax is .

Ans -: Saturated hydrocarbon

Q62. In which type of Rocks is Petroleum (Fossil Fuel) is found?

Ans -: Sedimentary Rocks

Q63. _________ is also called White Gold.

Ans -: Platinum

Q64. Which is the purest form of Iron?

Ans -: Wrought Iron

Q65. Which Ore is used to extract Radium?

Ans -: Pitchblende

Q66. Solder is an alloy of .

Ans -: Tin and Lead

Q67. Which Radioactive Isotope is used in Cancer treatment?

Ans -: Cobalt – 60

Q68. is the element common to all acids.

Ans -: Hydrogen

Q69. is created by Alloying Iron and Chromium.

Ans -: Stainless Steel

Q70. The lustre of a metal is due to .

Ans -: Presence of free electrons

Q71. Which Mineral element is found in chlorophyll?

Ans -: Magnesium

Q72. The most abundant element in the earth’s crust is –

Ans -: Oxygen

Q73. The term ‘catalysis’ was coined by _________.

Ans -: Jöns Jakob Berzelius

Q74. Which element is the primary reason for radioactivity found in human body?

Ans -: Potassium – 40

Q75. Germanium, an ultrapure metal is purified by which method?

Ans -: Zone refining

Q76. Tooth enamel is made up of _________ .

Ans -: hydroxyapatite, a mineral compound of calcium and phosphate

Q77. Which gas is filled inside a Tube light?

Ans -: Mercury Vapour & Argon

Q78. _________ is an aqueous solution of Acetic acid.

Ans -: Vinegar

Q79. Which Vitamins are Water Soluble?

Ans -: Vitamin B complex & Vitamin C

Q80. Silver turns black (Tarnish) because of its reaction with _.

Ans -: Sulphur

Q81. Melting of ice can be prevented with the use of –

Ans -: Gelatin

Q82. A Bee Sting contains which Acid?

Ans -: Methanoic Acid

Q83. An Orange contains Acid.

Ans -: Citric Acid

Q84. Etching of glass is done with the help of .

Ans -: Hydrofluoric acid (HF)

Q85. Which acid is used in soft drinks? Ans -: Carbonic acid (H2CO3)

Q86. Silver Iodide is used as a ‘seed’ agent for making of –

Ans -: Artificial Rain

Q87. is used as a catalyst for the synthesis of Sulphuric Acid by Contact Process.

Ans -: Platinum (Pt)

Q88. Vanaspati Ghee is synthesized with the help of which catalyst?

Ans -: Nickle (Ni)

Q89. Swelling of bread takes place because of –

Ans -: Carbon dioxide

Q90. Cigarette lighters contain Gas.

Ans -: Butane

Q91. Which gas is used in fire extinguisher?

Ans -: Carbon dioxide

Q92. is termed as ‘Metal of Future’.

Ans -: Titanium

Q93. Safety matches are prepared using –

Ans -: Red Phosphorous

Q94. A Photoelectric cell contains metal.

Ans -: Selenium

Q95. Zinc Phosphide is used as?

Ans -: Rat Poison

Q96. Which is the hardest substance found in human body?

Ans -: Tooth Enamel

Q97. Ozone is an _________ of Oxygen.

Ans -: Allotrope

Q98. Which Metal is naturally Anti-Bacterial?

Ans -: Copper

Q99. Which was the first element to be produced after Big Bang?

Ans -: Hydrogen

Q100. If you pour a handful of salt into a glass of water, the water level will .

Ans -: Go Down

RRB NTPC : Top 100 Biology Important Questions

Q1. Alcoholic drink contains _______.

Ans: Ethyl Alcohol

Q2. Glucose in stored in the form of _______ by Animals.

Ans: Glycogen

Q3. Ascariasis is caused by ________.

Ans: Round Worm

Q4. BCG vaccination (Bacillus Calmette Guerin) gives immunity from ________.

Ans: Tuberculosis

Q5. Blood groups was discovered by –

Ans: Karl Landsteiner

Q6. The first successful heart transplant in India was performed by –

Ans: Dr. Panangipalli Venugopal

Q7. The oral polio vaccine was discovered by –

Ans: Jonas Salk

Q8. Companion cells are unique to _______ .

Ans: Angiosperms

Q9. DNA stands for _______ .

Ans: Deoxyribonucleic Acid

Q10. Dog bite can cause rabies. Bite of which other animal can also cause rabies?

Ans: Bat

Q11. Endocrine glands are also known as _______.

Ans: Ductless Glands

Q12. The Small Pox vaccine was discovered by –

Ans: Edward Jenner

Q13. Deficiency of iodine leads to ________.

Ans: Enlargement of Thyroid Gland

Q14. First vaccine produced by bio-technology was used against which virus?

Ans: Hepatitis-B

Q15. Turmeric is obtained from _______ of a Plant.

Ans: Stem

Q16. Genes are made by _______.

Ans: Polynucleotides

Q17. Hematopoiesis occurs in _______.

Ans: Bone marrow

Q18. Leoprosy is also known as _______ .

Ans: Hansen’s Disease

Q19. A human skull has _______ number of bones.

Ans: 22 Bones

Q20. Deposition of which acid in the muscles leads to a feeling of fatigue in Humans?

Ans: Lactic Acid

Q21. RBC’s count in the blood is increased when a person is having ________.

Ans: Polycythemia

Q22. Where are the Lacrimal glands situated in the human body?

Ans: Eye Orbit

Q23. The red, blue and purple colours seen in plants is because of the _______ pigment.

Ans: Anthocyanin

Q24. Which part of the human brain controls Motor skills of the body?

Ans: Frontal Lobes

Q25. What is the name the hormone that regulates the amount of glucose in the blood.

Ans: Insulin

Q26. Name the gas used for making vegetable ghee?

Ans: Hydrogen

Q27. Which is the largest gland in the human body?

Ans: Liver

Q28. The smallest functional unit of a kidney is the?

Ans: Nephron

Q29. James D. Watson, a Nobel Prize winning scientist is expert in the field of ________.

Ans: Genetics

Q30. Polio is caused by a ________.

Ans: Virus

Q31. The flow of energy in the Energy Pyramid is always _______.

Ans: Upwards

Q32. Saliva helps in the digestion of _______.

Ans: Starch

Q33. Which Parent’s chromosome is used for sex determination test?

Ans: Father

Q34. The bio-gas used for cooking is a mixture of _______.

Ans: Methane & Carbondioxide

Q35. The yellow colour of the human faces is a result of the pigment called _______.

Ans: Urobilin

Q36. Which air pollutant causes the most serious health hazards?

Ans: Sulphur dioxide

Q37. Vitamin K is required for the synthesis of _______.

Ans: Prothrombin

Q38. Which compound is used in anti-malarial drug?

Ans: Chloroquine

Q39. Dental cavities are caused because of the deficiency of?

Ans: Fluorine

Q40. What is the process of filtering blood through an artificial kidney called?

Ans: Dialysis

Q41. Which is the first vaccine injected into a newly born baby?

Ans: BCG

Q42. Food poisoning is caused by ________.

Ans: Clostrideam boutulium

Q43. Which hormone is used as an oral contraceptive?

Ans: Progesterone

Q44. The longest and largest bone in the human body is?

Ans: Femur

Q45. Which metal is present in hemoglobin?

Ans: Iron

Q46. What is the total number of Chromosomes found in the human gene?

Ans: 46

Q47. The PH value of human blood is?

Ans: 7.40

Q48. The plants, which grow under water stress conditions are called?

Ans: Xerophytes

Q49. During photosynthesis, Solar Energy is converted to ________.

Ans: Chemical energy

Q50. Which is the smallest bone in the human body?

Ans: Stapes

Q51. The study of Trees is called?

Ans: Dendrology

Q52. Who proposed the Theory of natural selection?

Ans: Charles Darwin

Q53. Turpentine oil is obtained from ________.

Ans: Resin from Pines

Q54. Upper most layer of skin is called?

Ans: Epidermis

Q55. Which is the only element found in Chlorophyll?

Ans: Magnesium

Q56. What are Bryophytes?

Ans: Amphibious Plants

Q57. Which component of the Cell is called it’s ‘Kitchen’?

Ans: Chloroplast

Q58. What is known as ‘Suicidal bags of cell’?

Ans: Lysosome

Q59. What is systolic and diastolic pressure in a healthy man?

Ans: 120mm & 80mm

Q60. Dermatology is the study of?

Ans: Human Skin

Q61. Which chemical is popularly used in Rat poison?

Ans: White Phosphorus

Q62. What is the Dental formula of man?

Ans: 2123/2123

Q63. What is the name of first cloned sheep?

Ans: Dolly

Q64. _______ is the normal cholesterol level in human blood.

Ans: 180-200 mg/dL

Q65. A _______ is the smallest structural and functional unit of nervous system.

Ans: Neuron

Q66. 99% percentage of water is lost during transpiration, True or False?

Ans: TRUE

Q67. Which enzyme is present in all members of the animal kingdom except Protozoa?

Ans: Amylase

Q68. Zika virus is carried by _______ Mosquito.

Ans: Aedes

Q69. Tomato contains which acid?

Ans: Oxalic Acid

Q70. Which animal respire without having blood in them?

Ans: Hydra

Q71. Which cells acting as phagocytes are present in the liver?

Ans: Kupffer cells

Q72. Which cell organelles function as the power house of a living cell?

Ans: Mitochondria

Q73. A bite of a mad dog causes –

Ans: Hydrophobia

Q74. Which disease is known as ‘silent killer’?

Ans: High Blood pressure

Q75. Human saliva contains the enzyme known as _______.

Ans: Ptyalin

Q76. Which gland disappears during old age?

Ans: Thymus

Q77. The insect responsible for the spread of Kala-azar is –

Ans: Sand Fly

Q78. _______ is known as the strongest natural fibre.

Ans: Silk

Q79. Which is known as graveyard of RBC’s?

Ans: Spleen

Q80. The gland known as master gland in human body is the ________.

Ans: Pituitary gland

Q81. The process of cell division is known as –

Ans: Mitosis

Q82. Which part of the Plant body acts as the carrier of food and other substances to all its parts?

Ans: Phloem

Q83. Which is the sweetest sugar?

Ans: Fructose

Q84. Tle hearing function is associated with which part of the Human Brain? Q

Ans: Temporal Lobe

Q85. Which major chemical compound is found in human kidney stones?

Ans: Calcium oxalate

Q86. Which metal is present in Insulin?

Ans: Zinc

Q87. Thirst, hunger and sleep are controlled by which part of the brain?

Ans: Hypothalamus

Q88. Alcohol affects which part of human brain?

Ans: Cerebellum

Q89. Which part of human brain is the regulating centre for swallowing and vomiting?

Ans: Medulla Oblongata

Q90. Which part of the Human Eye changes it size based on the amount of Light?

Ans: Pupil

Q91. _______ is the plant which yields biodiesel or biofuel.

Ans: Jatropha Curcas

Q92. The part of the human eye which regulates the quantum of light entering is –

Ans: Iris

Q93. Which salt is found in bone in largest amount?

Ans: Calcium Phosphate

Q94. What is the name of the test done to diagnose cancer?

Ans: Biopsy Test

Q95. The vitamin which is considered to be a hormone is –

Ans: Vitamin D

Q96. Intake of which vitamin is recommended to improve blood coagulation?

Ans: Vitamin K

Q97. Who explained about the blood circulation for the first time?

Ans: William Harvey

Q98. Alexander Fleming invented ________.

Ans: Penicillin

Q99. Who is credited for producing first man-made Gene in a lab?

Ans: Dr. Hargobind Khurana

Q100. Xerophthalmia is a disease caused by lack of which vitamin?

Ans: Vitamin A

Important Static GK

We are pleased to launch the updated Static GK. This Static GK is a complete docket of important Static topics.

This All PDF contains important information & facts from various topics such as:

Topics	Download
1. Obituary 2019	Click Here
2. Awards and Honours 2019	Click Here
3. Joint Military Exercises 2019	Click Here
4. Summits and Conferences 2019	Click Here
5. India's Rank in Different Indices	Click Here
6. Appointments and Resigns 2019	Click Here
7. Important Days with Themes 2019	Click Here
8. Important MoUs Signed by India 2019	Click Here
9. Upcoming Sports Event From 2017-2023	Click Here
10. Sports Events & Winners - 2019	Click Here
11. Recently Appointed Brand Ambassadors List	Click Here
12. Renamed Govt. Schemes, Cities, Airports & Railway Stations	Click Here
13. Ministry of Cabinet Ministers 2019	Click Here