Preparation Material for PPSC FPSC NTS PTS OTS

Solved MCQs of General knowledge for PPSC FPSC NTS PTS OTS

Everyday Science Questions Part 2

  1. Oology is the study of Birds eggs
  2. Radioactivity was discovered by Henry Bacquerel
  3. The metal used in storage batteries is Lead
  4. Barometer was invented by Torricelli
  5. Dynamo was invented by Michael Faraday
  6. Galileo’s first scientific discovery was Pendulum
  7. Microscope was invented by Aaton Van Leewen Hock
  8. The scientist who is known as father of modern biology is Aristotle
  9. The first person to see a cell under microscope was Robert Hooke
  10. The smallest flowering plant is Worffia
  11. The four blood groups were discovered by Karl Landsteiner
  12. The atomic number of oxygen is Eight
  13. The basic building blocks of proteins are Amino acids
  14. The unit of loudness is Phon
  15. An ammeter is used to measure Electric current
  16. Plant that eat insects are called Insectivorous plants
  17. Fruits that are formed without fertilization are called Parthenocarpic
  18. Plants that flower only once in their lifetime are called Mono carpic
  19. Penicillin is obtained from Mould
  20. Herpetology is the study of Reptiles
  21. Osteology is the study of Bones
  22. The botanical name for onion is Allium Cepa
  23. The study of heavenly bodies is called Astronomy
  24. Electric Lamp was invented by Thomas alva Edison
  25. The fear of crowd is called Ochlophobia
  26. The fear of books is called Bibliophobia
  27. The fear of going to bed is called Clinophobia
  28. Calcium sulphate is commonly called Plaster of Paris
  29. Sodium carbonate is commonly called Washing Soda
  30. Sodium chloride is commonly known as Common Salt
  31. The chemical name of Chloroform is Trichloromethane
  32. The chemical name of baking powder is Sodium bicarbonate
  33. The chemical name of bleaching powder is Calcium hypochlorite
  34. A fungus which can only survive on other living organisms is called Obligate Parasite
  35. A plant which lives in the dark is called Scotophyte
  36. Laser was invented by Dr.Charles H.Townes
  37. Thermostat is an instrument used for regulating Constant temperature
  38. The science of organic forms and structures is known as Morphology
  39. The fear of women is known as Gynophobia
  40. The fear of men is known as Androphobia
  41. The scientist who developed the Quantum theory was Max Plonck
  42. The acid used in a car battery is Sulphuric acid
  43. The system for writing by blind people was invented by Louis Braille
  44. The parachute was used for the first time by J.P.Blanchard
  45. The German physicit who first demonstrated the existence of Radio waves was Henrich Hertz
  46. Fountain pen was invented by L.E.Waterman
  47. The role of heredity was demonstrated by Mendel
  48. The instrument used to measure the concentration of salt water is the Salinometer
  49. Safety matches was invented by J.E.Lundstrom
  50. Dynamics is the study of Movements of bodies
  51. Statics is the study of Forces acting on bodies at rest
  52. Mechanics is the study of Forces acting on bodies
  53. The electro-cardiograph was invented by William Einthoven
  54. Chronometer was invented by John Harrison
  55. The study of antiquities is known as Archaeology
  56. The study of the duration of life is known as Chronobiology
  57. Calcium oxide is commonly known as Quick lime
  58. A deviation of light passing from one medium to another is known as Refraction
  59. An apparatus for generation of atomic energy is called a Reactor
  61. Vitamin C is also called Ascorbic Acid it prevents scurvy
  62. Vitamin C is also necessary for utilization of iron
  63. The food which contains largest amount of Vitamin C is tomato
  64. Cod liver oil contains Vitamin D
  65. Collagen is the substance that gives elasticity to skin
  66. Vitamin E promotes oxygenation and acts as anti aging
  67. Carbon dioxide we release comes from food we eat
  68. Vitamin B2 has what other name Riboflavin
  69. Fats are made of carbon, hydrogen and oxygen
  70. Vitamin E is called anti-aging agent
  71. Vitamin E helps in fertility process
  72. Vitamin B helps maintain normal appetite and good digestion
  73. Water soluble vitamin are B and C and all other are fat soluble
  74. Vitamin A is stored as Ester in liver
  75. Vitamin A is found in carotene bearing plants
  76. Vitamin K helps to form prothrobin (fibro gin) one of the enzymes helpful in blood clotting
  77. Vitamin E is necessary for iron utilization; normal reproductive function. Vitamin E is for reproduction.
  78. Vitamin A is found in Dairy products
  79. Deficiency of Vitamin A causes Night blindness.
  80. Too much presence of the Potassium salt in human blood increase the risk of heart attack.
  81. The lack of calcium in the diet causes what condition-Rickets
  82. Celluloses are carbohydrates.
  83. Milk contains lactose.
  84. Vitamin C is a preventor of infectious disease
  85. Vitamin C is also called Skin food
  86. Vitamin C can easily be lost in cooking and food storage
  87. Vitamin D is essential for calcium metabolism.
  88. Vitamin C hastens healing of wounds
  89. Vitamin capable of formation of blood is B12
  90. Riches source of Vitamin D is code liver oil
  91. Riches source of Vitamin A is eggs
  92. Deficiency of Calcium leads to rickets
  93. Vitamin B1 is available is yeast.
  94. Scury, arising due to deficiency of vitamin C, it is related to Gastro-intestinal disorder.
  95. Sodium is necessary of nervous system.
  96. Vitamin D is essential for calcium metabolism.
  97. Cheese contains vitamin D.
  98. Vitamin C can not be stored in human body.
  99. Scurvy, arising due to deficiency of vitamin C, it is related to Gastro-intestinal disorder.
  100. Sodium is necessary of nervous system.
  101. Ground nut has maximum protein
  102. Digestion of fat in intestine is aided by Emulsification
  103. Hair, finger nails, hoofs, etc are all make of protein
  104. Deficiency of sodium and potassium causes muscular cramps, headache and diahrae
  105. Milk (contains 80% water) is a complete food.
  106. Cheese contains vitamin D.
  107. Vitamin E is for reproduction.
  108. Glucose is the source of energy for human brain.
  109. Major component of honey is Glucose
  110. Three main food nutrients are carbohydrates, protein and fats. Other are vitamins and minerals
  111. Meat is rich in iron we need to make blood cells
  112. Eating of coconut increases man’s mental faculties
  113. Food poisoning can result from the eating of too much toadstools.
  114. Vitamin c is also known as Ascorbic Acid.
  115. Celluloses are carbohydrates.
  116. Milk contains lactose
  117. Ascorbic acid is essential for the formation of bones and teeth.
  118. Citric acid is a good substitution for ascorbic acid in our nutrition.
  119. A guava contains more vitamin C than an orange
  120. Vitamin not stored in human body…..C
  122. Taxidermy means stuffing dead animals
  123. Stenography means short hand writing
  124. Psoriasis is a learning disability
  125. Paleontology is study of fossils.
  126. Hematology is the study of blood.
  127. Geology is the study of earth.
  128. Acoustics is the science of sound
  129. Cytology is the study of cell
  130. Entomology is the study of insects.
  131. Apiculture is science of bee keeping
  132. Ornithology is the science of birds
  133. Philology is the science of languages
  134. Oncology is the study of cancer
  135. Exobiology is the study of life in outer space
  136. Numismatics is the study of coins
  137. Eugenics is the study of altering humans by changing their genes or it refers to Improvement of human race
  138. Ethology is the study of animal behavior
  139. Anthropology is the study of origin and physical and cultural development of mankind
  140. Carpology is the study of fruits and seeds.
  141. Pathology deals with diseases
  142. Histology deals with organic tissues
  143. Pedology is the study of soil
  144. Cryogenics deals with the production, control and application of low temperatures
  145. Seismology is study of movements inside earth’s crust
  146. Ambidextrous is one who can write with both hands.
  147. Astrophysics is a branch of astronomy which deals with the physical and chemical nature of heavenly bodies.
  148. A etiology is the study of causes of disease.
  149. Cryptology is the study of codes.
  150. Dendrology is the study of trees.
  151. Ergonomics is the study of relationships between people and their working environment.
  152. Graphology is the study of handwriting.
  153. Psychological study of life in artificial environment is called biopsy.
  154. Phycology is the study of Algae.
  155. Mycology is the study of fungi.
  156. The art of compiling dictionary is called Lexicography.
  157. Cartography is the art of making maps and charts.
  158. Philately is hobby of stamp collecting.
  159. An onomastician studies what – Names
  160. Thanatology is the study of what Death
  161. The study of human population is called Demography.
  162. What does an otologist study-The ear and its diseases
  163. Noologists study what-The Mind
  164. Semiology is the study of what-Signals
  165. What is silviculture- Forestry
  166. What is Xylography- Wood Engraving
  167. Paleontology is the science of history of life.
  168. Meteorology is the study of study of weather.
  169. Cryptography is the study which deals with the secret writing.
  170. Hydroponics means cultivation of the plants without use of soil.
  171. Hyetology is the study of rainfall.
  172. Mycology is the study of fungus and fungi diseases.
  173. Petrology is the study of rocks in the earth’s crust.
  174. Amniocentesis is a method for determination of foetal sex.
  175. What is Steganography: Invisible ink writing
  176. Ichthyologists study what Fish
  177. What does a psephologist study: Voting – Elections
  178. What is studied in Aerology-Planet Mars
  179. Orthoepy is the study of what-Word pronunciation
  180. A philomath has a love of what- Learning
  181. What is a nidologist interested in-Birds nests
  182. What is philography- Autograph collecting
  183. Agronomy is the science of soil management
  184. The process by which plants take food is photosynthesis
  185. Reduction is the removal of oxygen atoms
  186. Oxidation is the combination of oxygen or removal of hydrogen
  187. Horticulture is the cultivation of flowers, fruits and vegetable
  188. Pastevurization is the protection of food by heating
  189. If temperature rises gradually up to 40 deg: C, the rate of photosynthesis may stop altogether
  191. Ibn baitar was a Botanist
  192. Kitab al Manazar on optical works was written by Ibn al Haitham
  193. Mamoon observatory was established during the reign of Caliph Mamoon
  194. Circulation of blood was described by a muslim scientist name Nafis Abdul al-Hasan.
  195. Al-Khwarizimi was first person who used zero.
  196. Muslim scientist Ali al Tabari is famous for his work on ___ (medical sciences)
  197. Al Beruni discovered that light travels faster than sound.
  198. Knowledge about COMPUTER
  199. Half byte = 1nibble = 4 bits
  200. Bit means Binary Digit
  201. 1 byte = 8 bits
  202. 1 mega byte = 1048576 bytes
  203. 1 kilo byte = 1024 bytes
  204. A combination of 16 bits are called word.
  205. A terabyte = 1 trillion bytes
  206. Our PC belongs to 4th generation
  207. Fred Cohen coined the word computer virus
  208. First computer virus was created in 1970 at Bell laboratories
  209. WORM means Write Once Read Many
  210. Power of a super computer is measured in FLOPS (Floating Point Operations per Second)
  211. WWW/http: (hypertext transfer protocol) was created by Tim Burner Lee in 1992
  212. Intel means Integrated Electronics
  213. 1 worksheet contains 256 columns
  214. G.W.Basic G.W stands for Gate Way
  215. Super Computer was created by J.H.Van Tassel
  216. CORBA is Common Object Request Broker Architecture
  217. URL is Uniform or Universal Resource Locator
  218. Intel invented RAM chip
  219. Information stored on disk as series of bumps on its shiny side.
  220. DVDs hold more information than CDs. They use smaller bumps and have two reflective layers
  221. Recordable CDs do not have bumps. There are patches of color on disk to change the reflected laser light
  222. In 1951 Univac – 1, the world’s first commercial computer was designed by John Mauchly and J. Presper Eckert. They built ENIAC, the first electronic computer in 1946
  223. In 1968 mainframe was built.
  224. In 1976 first supercomputer the Cray-1 was developed
  225. In 1981 IBM produce the IBM PC.
  226. In 1998 IBM made quantum computer
  227. Super computers uses parallel processing
  228. In 1974, computer games were introduced.
  229. PROM is the abbreviation of programmable read only memory
  230. What was the world’s first high level programming language 1957: IBM FORTRAN
  231. A JPEG is a picture file format – what does JPEG stand for: Joint Photographic Experts Group
  232. During World War II, IBM built the computers the Nazis used to manage their death/concentration camps
  233. Registers are temporary storage areas within the CPU.
  234. First apple computer was built in garage.
  235. The language of small talk is object oriented.
  236. Shell is an operating environment.
  237. Virtual memory is also known as virtual page.
  238. NOS refer to operating systems for a network.
  239. In EBCDIC each character is denoted by 8 bits.
  240. Diodes are used in analog computer circuits as limiter.
  241. Wetware stands for any organic intelligence.
  242. GIGO stands for garbage in garbage out.
  243. Application of flip-flap are counters, shift register and transfer register.
  244. Bootstrap is associated with computer.
  245. FORTRAN stands for formula translator.
  246. A group of character that is termed as a single entity is called word.
  247. Clip art is a computer prepared art.
  248. Mark sensing is another term for OMR.
  249. Authorization to make multiple software copies is called site licensing.
  250. Antivirus is also known as vaccines.
  251. Free software is also known as public domain software.
  252. In computer DFD stands for Data Flow Diagram.
  253. Cyber Space is called to Virtual world of the computer.
  254. What does the sun in SUN Microsystems stand for Stanford University Network
  255. What does Intel stand for- Integrated Electronics
  256. All PCs have a BIOS what does bios stand for-Basic Input Output System
  257. What is the common name for an integrated circuit A Chip
  258. In WWW terms what does i.e. mean on a domain name-Ireland
  259. What company introduced the first commercial minicomputer 65 DEC
  260. Name the first web browser publicly available NCSA Mosaic
  261. The world’s most powerful super computer is called ASCI white.
  262. World Wide Web was invented in 1993 by Tim Bareness Lee.
  263. The B-programming language was developed by Ken Thompson.
  264. The 1st commercially produced and sold computer (1951) was UNIVAC.
  265. The transformation from heavy computers to PCs was made possible using microprocessors.
  266. The first microprocessor was developed in 1971 by Intel.
  267. A pentium 4 (P-4) employs roughly 40 million transistors.
  268. Mark-1, Apple-1, and collossus were initial desktop computers.
  269. Binary digits are briefed as bit.
  270. A collection of bits is called byte.
  271. The first home computer (1977), which was sold in millions of units was Apple II.
  272. ‘PARAM’ is a supercomputer.
  273. Father of the Computer.. Charles Babbage
  274. First artificial satellite was Sputnik-I sent by Soviet Union on October 4, 1957
  275. What country launched its first space rocket January 1961-Italy
  276. First human in space is Yuri Gagrin 1961 on USSR • First space scientist was Henry Quendish
  277. First woman in space was Valentine Khurachoof in 14 June, 1963
  278. Apollo XI enabled man to step on moon
  279.  Generators convert mechanical energy into electricity.
  280. Nuclear energy is a cheap source of abundant electricity.
  281. Why is one’s breath visible in cold but not in hot weather? Because the water vapours present in breath condenses while breathing incold weather and therefore are visible.
  282.  Epiphytes is a plant that grows upon another plant.
  283.  Joseph Aspdin is the inventor of cement.
  284.  Neurology is the science of nervous system.
  285.  Biochemistry is the application of statistics in the study of Biology.
  286.  A sheet of muscles called diaphragm separates the chest from the abdomen.
  287.  The pattern for building protein molecules is stored in the messenger RNA
  288.  Anvil and stirrup are names of bones present in the EAR
  289.  The young plant inside a grain of wheat is called the embryo plant
  290.  In born behaviour that involve only one part of the body are called REFLEX ACTION
  291.  Animals which obtain their food from dead organisms are called Scavengers
  292.  Riboflavin is not affected by cooking.
  293.  The number of chromosomes in the spermatozoa is twenty-three
  294.  The energy possessed by a water fall is kinetic energy.
  295.  Rainbows are produced by the reflection of light through raindrops.
  296.  Light switches in our homes are connected in parallel series.
  297.  Oil bulbs cleaner and is less damaging to the environment than coal as a fuel.
  298.  Enzymes are biological catalysts which have multiple function in the body.
  299.  The difference between electrical charges at the two ends of a conductor is called Potential difference.
  300.  The branch of zoology which deals with the study of insects is called Entomology
  301.  Fuels formed from animal and plant matter that lived thousands of years ago are known as fossil fuels
  302.  Cryptograms is a coded message; a text or message that is in code or cipher
  303.  Reserve food material is usually stored as starch in plants.Reserve food material is usually stored as glycogen in liver and muscles of animals.
  304.  Purest form of iron is wrought iron
  305.  Hypo is a solution of sodium thiosulphate
  306.  Aorta is an organ of the circulatory system
  307.  Circular aperture which appears as a dark spot in the eye is called pupil
  308.  Bacteria are parasites
  309.  Ruby is an Oxide of Aluminum
  310.  Visible light energy has the wavelength range of 400 to 700 Nanometer.
  311.  The particles with positive charge but having mass equal to that of electron is called Proton.
  312.  Iron corrodes due to the formation of Iron Oxide.
  313.  Transistors do not need a warm up period because they have no Filament.
  314.  The type of radiation hat is unaffected by magnetic field is called Alpha.
  315.  The Kelven scale of temperature is called the absolute scale.
  316.  If we know the mass of an object and the force applied on it, it is possible to calculate acceleration of the object.
  317.  Arteries become hard due to deposition of Fats in them.
  318.  What is the source of energy for the human brain? Phosphorous
  319.  How many Ergs are these in 1 Joule? 107
  320.  The unit of current is Ampere
  321.  Who invented typewriter? Sholes
  322.  The first attempt in printing was made in England by William Caxton
  323.  Who was the surgeon who pioneered antiseptic surgery in 1865? Joseph Lister
  324.  Who proposed the chemical evolution of life? Haechel .
  325.  Who among the following evolved the concept of relationship between mass and energy? Einstein
  326.  Who discovered Uranus? Herschel
  327.  Which of the following helps in clotting of blood? Vitamin K (Blood do not clotting due to heparin)
  328.  Total volume of blood in a normal adult human being is 5-6 liters
  329.  Which of the following have maximum calorific value? Carbohydrates
  330.  Which of the following vitamins promote healthy functioning of eyes in human beings? Vitamin A
  331.  Bronchitis is a disease of which of the following organs? Respiratory tract
  332.  Barium is used for X-ray of alimentary canal
  333.  Which of the following pairs is incorrect? Poliomyelitis-monkey
  334.  Which of the following statements is correct Pulmonary artery carries impure blood
  335.  When sound is reflected from floor, ceiling or a wall , it mixes with the original sound and change its complexion, it is called as Reverberation
  336.  The of light in vacuum is about 300 Million kilometers per second
  337.  Ice can be changed to water by Changing the motion of the water molecules
  338.  The temperature of liquid nitrogen is -196°C
  339.  Information can be sent over long distances in the form of Light signals through optical fibres
  340.  Computers can Add and subtract information only.
  341.  IBM stands for International Business Machines
  342.  Chemicals used to kill weeds are called as Herbicides
  343.  The cytoplasm consists of several types of structures, which are called Organelles
  344.  The structure of DNA was elaborated by Watson and Crick in 1953
  345.  In a DNA molecules, the rulefor base pairing is Adenine always bound with thymine and cytosine with guanine
  346.  As per eating habit, squirrels are Frugivorous
  347.  Water loss from leaves through stomata is called as Transpiration
  348.  Nervous system in human consists of:
  349. Brain, spinal cord and nerves. (central and peripheral)
  350.  In human eye, the light sensitive layer made of specializes nerve cells, rods and cones is called as The retina.
  351.  Copper can be converted into gold by Artificial Radioactivity
  352.  In winter an iron pipe feel colder than a wooden window . This is because wood is non-Conductor
  353.  The echo (reflected sound) will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least 56fft
  354.  It is possible to recognize a person in the dark by simply hearing his unique voice . It is because of the pitch
  355.  When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is Visible
  356.  A six feet tall lady wants to see her full image in a plane mirror . The minimum length of the mirror will be 3 feet
  357.  The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use Ultrasonic
  358.  In a fission nuclear reaction , a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus This nuclear reaction is called Fusion nuclear reaction
  359.  German silver is an alloy of approximately 60% copper, 20% nickle and 20% zinc
  360.  The Continent Antarctica lies at the South pole
  361.  The temperature of the dead body is temperature of the place where it is kept
  362. Cusec is a volumetric unit for measuring the flow of liquids, equal to one cubic foot per second
  363.  Magnifying power of a simple microscope can be increased by increasing focal length of the lens
  364.  A very important practical application of properties of matter is hoeing or “godi” practiced by the farmers. This property of matter is called Capillarity
  365.  It is observed that the total pressure exerted by air on the man of average siz is around 14.7 lb wt. per square inch. But the man feels quite comfortable,. It is becausemof gravity
  366.  A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used to detect nuclear Radiation
  367.  A body can escape the gravitational pull of the earth if it is thrown up with a velocity of 7 miles per sec
  368.  Night vision is possible with the help of Infrared Rays
  369.  Myopia is a defect of human eye. it can be corrected by using a lens called Concave lens
  370.  Walnuts can be broken in the hand by squeezing two together but not one. It is because of Work done
  371.  The planet Mercury completes one rotation around the sun is 88 days
  372.  Fossils found in the lowest geological strata are generally most Primitive
  373.  Evolution can be described as A continuing process
  374.  What is the only source of new alleles? Mutation
  375.  Polygenic characteristic are controlled by Multiple genes
  376.  Which of the following , lists the four stages of food processing in order?ingestion , digestion , absorption , elimination
  377.  The energy needed to fuel essential body processes is called recommended daily allowance
  378.  Inhaled air passes through which of the following in the last? Bronchiole
  379.  Cobalt is a material which is Strongly attracted by a magnet
  380.  What is the chance of diabetic baby born to parents both heterozygous normal ?¼
  381.  Role of biotechnology in the production of food based on Fermentation
  382.  Which form of drug abuse involves most risk of infection with the HIV (AIDS) virus? Injection of heroine
  383.  Chemical name of vinegar is Dilute acetic acid
  384.  Defeciency of following vitamin decreases hemoglobin production Thiamine
  385.  The most splendid and the most magnificient constellation on the sky is Orion
  386.  Diamond is a very expensive ornament. It is composed of a single element Carbon
  387.  Television signals are converted into light signals by Photo diode
  388.  Where do most of Asteroids lie?
  389. In asteroid belt between the orbits of Mars and Jupiter
  390.  The number of spark plugs needed in a diesel engine is 0
  391.  The half life of a radioactive element is 8-days. How long it take to reduce it from 10 mg to 5 mg? 8 days
  392.  The term ‘Blue Shift’ is used to indicate Doppler Effect in which an object appears bluer when it is moving towards the observer or observer is moving towards the object.
  393.  Kilowatt-hour is a unit of Electric Current
  394.  Fuel used in a Fast Breeder Reactor is Uranium Plutonium Oxide
  395.  Monsoon is caused by Seasonal reversal of winds
  396.  Which of the following atmospheric layers help in radio communication? Ionosphere
  397.  A moderator is used in nuclear reactor in order to Slow down the speed of the neutrons
  398.  Sedimentary rocks are Porous
  399.  Quartz crystal in quartz watches work on the principle called Piezo-electric effect
  400.  The fruits without seed, like banana, are called parthenocarpic fruits