MOST Important more than 500 QUESTIONS FOR EVERYDAY SCIENCE for PPSC , FPSC , AJKPSC , BPSC, SPSC , exams of Inspector , Assistant Director , Assistant , Clerks posts in islamabad

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MOST Important more than 500 QUESTIONS FOR EVERYDAY SCIENCE for PPSC , FPSC , AJKPSC , BPSC, SPSC , exams of Inspector , Assistant Director , Assistant , Clerks posts
1. First human in space is Yuri Gagrin 1961 on USSR
2. First space scientist was Henry Quendish
3. First woman in space was Valentine Khurnchoof in 14 June, 1963
4. Apollo XI enabled man to step on moon
5. Generators convert mechanical energy into electricity.
6. Nuclear energy is a cheap source of abundant electricity.
7. 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.
8. Epiphytes is a plant that grows upon another plant.
9. Joseph Aspdin is the inventor of cement. 10.Neurolou is the science of nervous system.

11.Biochemistry is the application of statistics in the study of Biology.
12.A sheet of muscles called diaphragm separates the chest from the abdomen. 13.The pattern for building protein molecules is stored in the messenger RNA 14.Anvil and stirrup are names of bones present in the EAR
15.The young plant inside a grain of wheat is called the embryo plant
16.In born behaviour that involve only one part of the body are called REFLEX ACTION 17.Animals which obtain their food from dead organisms are called Scavengers 18.Ribollavin is not affected by cooking.
I9.The number of chromosomes in the spermatozoa is twenty-three
20. The energy possessed by a water fall is kinetic energy.
21.Rainbows are produced by the reflection of light through raindrops.
22. Light switches in our homes are connected in parallel series.
23.011 bulbs cleaner and is less damaging to the environment than coal as a fuel.
24.Enzymes are biological catalysts which have multiple function in the body.
25.The difference between electrical charges at the two ends of a conductor is called Potential
difference.
26.The branch of zoology which deals with the study of insects is called Entomology
27. Fuels formed from animal and plant matter that lived thousands of years ago are known
as fossil fuels
28.Cryptogrnms is a coded message; a text or message that is in code or cipher
29.Rescrvc food material is usually stored as starch in plants.Reserve food material is usually
stored as glycogen in liver and muscles of animals.
30.Purest form of iron is wrought iron
31.Hypo is a solution of sodium thiosulphate
32.Aorta is an organ of the circulatory system
33.Circular aperture which appears as a dark spot in the eye is called pupil
34.Bacteria are parasites
35.Ruby is an Oxide of Aluminum 36.Visible light energy has the wavelength range of 400 to 700 Nanometer.
37.The particles with positive charge but having mass equal to that of electron is called Proton.
38.Iron corrodes due to the formation of Iron Oxide.
39.Transistors do not need a warm up period because they have no Filament. 40.The type of radio that is unaffected by magnetic field is called Alpha.
41.The Keluen scale temperature is called the absolute scale.
42.1f we know the mass of an object and the Iv applied on it, it is possible to calculate acceleration of the object.
43.Arteries become hard due to deposition of Fats in thenS.
44.What is the source of energy for the human brain? Phosphor'047
45.How many Ergs are these in 1 Joule? 107
46. The unit of current is Ampere
47. Who invented typewriter? Sholes
48. The first attempt in printing was made in England by William Caxton
49. Who was the surgeon who pioneered antiseptic surgery in 1865? Joseph Lister 50.Who proposed the chemical evolution of life? Haechel.
51. Who among the following evolved the concept of relationship between mass and energy?
Einstein
52. Who discovered Uranus? Herschel
53. Which of the following helps in clotting of blood? Vitamin K (Blood do not dotting due to
heparin)
54.Total volume of blood in a normal adult human being is 5.6 liters
55. Which of the following have maximum calorific value? Carbohydrates
56. Which of the following vitamins promote healthy functioning of eyes in human beings?
Vitamin A
57. Bronchitis is a disease of which of the following organs? Respiratory tract
58.Barium is used for X-ray of alimentary canal
59. Which of the following pairs is incorrect? Poliomyelitis-monkey
60. Which of the following statements is correct Pulmonary artery carries impure blood
61. 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
62.The of light in vacuum is about 300 Million kilometers per second
63.Ice can be changed to water by Changing the motion of the water molecules
64.The temperature of liquid nitrogen is -196*C
65.Inforrnation can be sent over long distances in the form of Light signals through optical fibres 66.Computers can Add and subtract information only. 67.IBM stands for International Business Machines
68.Chemicals used to kill weeds are called as Herbicides
69.The cytoplasm consists of several types of structures, which are called Organelles
70.The structure of DNA was elaborated by Watson and Crick in 1953
71.In a DNA molecules, the rulefor base pairing is Adenine always bound with thyrnlne and cytosine with guanine
72.As per eating habit, squirrels are Frugivorous
73.Water loss from leaves through stomata is called as Trans
74.Nervous system in human consists of: Brain, spinal cord and nerves. (central and peripheral)
75.ln human eye, the light sensitive layer made of specializes nerve cells, rods and cones is called as The retina.
76.Copper can be converted into gold by Artificial Radioactivity
77.ln winter an iron pipe feel colder than a wooden window .
This is because wood is non-Conductor
78.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 561ft
79.1t is possible to recognize a person in the dark by simply hearing his unique voice. It is because of the pitch
80.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
81.A six feet takkt11151mts to see her full image in a plane mirror. The minimum length of the mirror will be ilie& PA je
82.The principle used in radar little same as at of Sonar. In radar we use radio waves whereas in sonar we use Ultrasonic c
83.In a fission nuclear reaction , a heavy nucleus breakteu), into! ailer nuclei whereas in another nuclear reaction two or more than two possibly nuclOata IPS to form a heavy nucleus This nuclear reaction is called Fusion nuclear reaction 84.German silver is an alloy of approximately 60% copper. 20% nickel and 20% zinc 85.The Continent Antarctica lies at the South pole
86.The temperature of the dead body is temperature of the place where it is kept Cusec is a volumetric unit for measuring the flow of liquids, equal to one cubic foot per Second
87.Magnifying power of a simple microscope can be increased by increasing focal length of the lens 88.A very important practical application of properties of matter is hoeing or 'godi practiced by the farmers.
This property of matter is called Capillarity
89.1t is observed that the total pressure exerted by air on the man of average size is around 14.7 lb wt. per square inch. But the man feels quite comfortable. It is because of gravity
90.A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used to detect nuclear Radiation
91.A body can escape the gravitational pull of the earth if it is thrown up with a velocity of 7 miles per sec
92.Night vision is possible with the help of Infrared Rays
93. Myopia is a defect of human eye. it can be corrected by using a lens called Concave lens
94.Walnuts can be broken in the hand by squeezing two together but not one. It is because of Work done
95.The planet Mercury completes one rotation around the sun is 88 days
96.Fossils found in the lowest geological strata are generally most Primitive
97,Evolutlon can be described as A continuing process
98. What is the only source of new alleles? Mutation
99.Polygenic characteristic are controlled by Multiple genes
100. Which of the following, lists the four stages of food processing in order? Ingestion digestion , absorption , elimination
101. The energy needed to fuel essential body processes is called recommended daily allowance
102. Inhaled air passes through which of the following in the last? Bronchiole
103. Cobalt is a material which is Strongly attracted by a magnet
104. What is the chance of diabetic baby born to parents both heterozygous normal ?1/4
105. Role of biotechnology in the production of food hosed on Fermentation
106. Which form of drug abuse involves most risk of infection with the HIV (AIDS) virus? Injection of heroine 107. Chemical name orvinegar is Dilute acetic acid
108. Deficiency of following vitamin decreases hemoglobin production Thiamine
109. The most splendid and the most magnificent constellation on the sky is Orion
110. Diamond is a very expensive ornament. It is composed of a single element Carbon
111. Television signals are converted into light signals by Photo diode
112. Where do most of Asteroids lie? In asteroid belt between the orbits of Mars and Jupiter
113. The number of spark plugs needed in a diesel engine is 0
114. 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
115. 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.
116. Kilowatt-hour is a unit of Electric Current
117. Fuel used in a Fast Breeder Reactor is Uranium Plutonium Oxide 118. Monsoon is amity Seasonal reversal of winds
119. Which of the loll g atmospheric layers help in radio communication? Ionosphere
120. A moderator is used in nuclearetawr in order to Slow down the speed of the neutrons
121. Sedimentary rocks are Porous 1 "1,f‘40
122. Quartz crystal in quartz watches work on the princifirc called Piew-electric effect ;,.
123. The fruits without seed, like banana, are called ParthenocA4rple fruits I. Spleen is called the graveyard of Red Blood Cells. 2. Oxygen Gas was discovered by Priestly. 3. Dr. James Watson discovered the structure of DNA in 1953. 4. Cell for the first time was discovered by Robert Nook. 5. °Debugging* is the process of locating and fixing or bypassing bug a (errors) in computer program code or the engineering of a hardware device. 6. 'Claustrophobia' is defined as the fear of enclosed spaces.
7.'Brase is an alloy of copper and zinc; the proportions of zinc and copper can be varied to create a range of brasses with varying properties. 8. 'Bronze' is a metal alloy consisting primarily of copper, usually with tin as the main additive.
9. Vitamin C (also called Ascorbic Acid) is a powerful antioxidant, and aids in the production of collagen, and stimulates the immune system. Vitamin C is essential for appetite.
10. 'Soda Water' serves as a primary remedy for upset stomach. 11.Nonnal arterial blood pH is 7.40. with a range of about 7.36.7.44. Blood pH depends on carbon dioxide (CO2) concentration and bicarbonate (HCO3) concentration.
12. The main constituent of Sul Gas is Methane.
13.Agomphobia is the fear of open or public plaices. "Agraphie is the inability to write. 14.Acrophobia is the fear of heights. 15.Aerophobia is a fear of flying. 16.Apiphobia is a fear of what? Bees. 17.Cyber phobia is the fear of computers or working on a computer. 18.Acrophobla a fear of Heights.
19.A CPU (cache) is a cache used by the central processing unit of a computer to reduce the average time to access memory. The cache is a smaller, faster memory which stores copies of the data from the most frequently used main memory locations.

20.*Diy ice is a Solid Carbon Dioxide.
21.Chemically diamond is a Pure Carbon.
22.Gas is use in Fire Cylinders CO2.(CO2 is use for extinguishing fire) 23.Sulphuric Acid is use in the car batteries.
24-Parkinson' is a disease of Brain.
25.The normal pulse beat of a human body is between 72-80.
26.An instrument designed for testing the purity of milk is called Lactometer. 27."Autopsf is the Post-Mortem examination of a body.
28. 'Lexicography" is the branch of science which deals with the process of writing dictionaries.
29.Speed of Sound in Air 331 m/s.
30.Red Color has largest and Blue color has shortest Wavelength.
31."Pomologr is the study and cultivation of fruit. 32. Logarithm tables were invented by John Napier
33.Fish is the Best source of protein.
34.Most commonly used bleaching agent is chlorine 3S.The chief constituent of gobar gas is methane.
36.The frequency of which of the following is the highest? Radio waves 37."Charles Drew was the first pioneered the idea of a blood bank.
38.Kidneys organ of the body purifies the blood.
39.Skin is highly affected by the nuclear radiation first.
40.Radio waves travel with almost the velocity of Light.
41.Diamond is the hardest mineral.
42.Life history of human malaria parasite in Anopheles was first described by Ronald Ross
43.The distance between the earth and the sun is smallest in the month of January. 44.Green vegetables are a good source of Minerals and Vitamins,
45.One metric ton is equal to 1000 kg, or 2204 pounds.
46.One square foot is equal to 144 sq. inches and 1 meter is equal to 3.28 foot. One nautical mile is equal to 6080. 4
7.-Monometer is an instrument for measuring Gaseous Pressure. 48.Atmospheric pressure at sea level is 760 mm
49.The acceleration caused by gravity per second is 32 feet.
50.1 Inch is equal to 2.54 centimeters.
51.Silicon Is called the -Earth maker'.
52.When a disease occurs over a large area of earth's surface at one time, it is called Epidemic disease.
53.The area between the Tropic of Cancer and the Tropic of Capricorn, where the sun is vertically overhead at some point of the year is called The Torrid zone.
54.Deficiency of Vitamin C causes Scurvy.
55.What does Angstrom measure? Speed of ships
56.The scientist who first discovered that the earth revolves round the sun was Copernicus.
57.•3igital Computer was invented by Howard Aiken.
58.Wood is the least conductor of electricity.
59.-Cryptography' deals with the study of secret writing.
60.What is latighing gas? Nitrous Oxide
64.Philately is the science of stamp collectio
63.Earth revolves around the sun from 65. Hydrometer is used for specific gravity of I 61.The element common to all acids is Hyd
62.Daunond is nn allotropic form oftesc n.
66.Which vitamin easily prepared in body? vitamin D 04/
67.Which gas is commonly used in balloons? Helium
68.The most abundant element in earth curet is Oxygen (0) 46.6% and silicon is the second abundant element of earth and silicon is called earth maker.
69.One horse power is equal to 746 watt.
70.Which color phosphorus used in matches? Red
71.0Idest known element? Copper
72.Which shape of carbon is used in lead pencils? Graphite
73.Artificial silk is called rayon.
74. Basic component of paper is wood.
75.The bar is a unit of pressure equal to 100 kilopascals and roughly equal to the atmospheric pressure on Earth at sea level.
76.Light year is the unit of distance. It is the distance that light can travel in one year. A light year is equal to 9.46 trillion kilometers.
77.Largest organ of the body is Skin and largest gland is Liver.
78.Kidney disease due to overdose of vitamin c.
79.CPU is an abbreviation of Central Processing Unit.
80.Cusec is unit of water flow.
81.ATM stands for Automated Teller Machine.
82.Mirage is an example of refraction of Light.
83.Sound travels fastest in Glass.
84.The gravitational force on the body is called as Weight.
85.Most astronomers believe that origin of the Universe is Big Bang Theory. 86.Hepatitis and jaundice are the diseases of Liver.
87.Neon gas is used in decoration lighting.
88.Creature having both male and female organs is known as Hermaphrodite.
89.A low area storm with high winds rotating about a critter of low atmospheric pressure is called Cyclone.
90.The first Muslim scientist who presented the law of reflection and refraction iidbn-ul-lInithrim.
91.The difference in the duration of day and night increases as one move from Equator to poles.
92.SoInr system was discovered by Nirotaus Copernicus.
93.RAM stands for Random Access Memory.
94.Richest source of Vitamin D is cod liver oil.
95.Isq cm is equal to how many square mm? 100
96.1 milligram gold is equal to how many milligrams? 1000
97.We are saved from ultraviolet rays of sun through? Ozone Layer
98.Vitanun K helps in blood clotting.
99.Iron metabolism in the human body is helpful for Haemoglobin and blood is red due to hemoglobin.
100. In how many groups the living organisms that have back bone. are divided? S groups
101. Vitamins C not stored in human body and lack of vitamin c create skin disease.
102. Art and science of growing flowers, fruit and vegetables is called Horticulture. 103. What did Sir Isaac Pitman invent? A form of shorthand
104. "Dactylography is the study offmger prints. 105. 'Etymology' is the study of origin and history of words. 106. 'Plague" is a disease. which spreads by rat. 107. 'Choreography- is the art of designing sequences of movements in which motion, form, or both are specified. Choreography may also refer to the design itself, which is sometimes expressed • y means of dance notation.
108. Newton 109. When heavy release of entry/ is called fissio tS taa 110. Protein is present in the highest amata 111. Bicycle' was invented by Macmillan 112. 'Amino Acid' is the smallest unit of Prottla: 113. Now many pairs of ribs are there in the human body? 12.

every applied force has an equal reaction. split into relatively smaller elements along with the

114. A cataract is a clouding that develops in the crystalline lens of the eye or in its envelope (lens capsule), varying in degree from slight to complete opacity and obstructing the passage of light.
115. Ice melting at poles is because of Ozone depletion. Afforestation stands for planting of new Trees.
116. 'Marie Curie was a physicist and chemist famous for her pioneering research on radioactivity. She was the rust person honored with two Nobel Prizes—in physics and chemistry. 117. On boiling egg hardens which indicates the presence of Protein. 118. Abusive drugs damage cells of Brain. 119. In modern television Cathode Ray Tube is replaced with Transistor. 120. Acupuncture is a type of alternative medicine that treats patients by insertion and manipulation of solid, generally thin needles in the body. This medical treatment was found in China. 121. 'Stainless Steel' contains chromium, Iron and corban. 122. Red blood cells have no nucleus 123. Pain in ears when aero plane goes down because of High Air pressure. 124. The maximum limit of sound beyond which a person can become deaf is 129 db. 125. Natural gas effect on our lungs because, it is harmful for human being. Whenever we inhale carbon monoxide its poisonous and human body feeling illness. It's very dangerous whenever natural gas leak somewhere repair or block this leakage it's very harmful for human body and children's as well. 126. The tiny air sacs in the lungs tissues are called Aliueoli.
127. The quantity of charge that is stored in a condenser is measured in Coulombs and Si unit of pressure is Pascal. 128. The deficiency of Vitamin E causes sterility in men and women. 129. A xerophyte or xerophytic organism is a plant that has adapted to survive in an environment that lacks water, such as a desert. 130. A halophyte is a plant that grows where it is affected by salinity in the root area or by salt spray, such as in saline semi-deserts, mangrove swamps, marshes and sloughs, and seashores. 131. An epiphyte is a plant that normally grows on another plant for support. It is not parasitic, but uses the host plant for support only. 132. Antlophobia is the fear of flower. Xenophobia is the dislilte or fear of people from other countries. 133. Photophobia is the extreme sensitivity to light. 134. 'Herpes" is a disease caused by a herpes virus, affecting the skin or the nervous system. 135. 'Erythrocyte is a red blood cell (typically a biconcave disc without a nucleus) that contains the pigment hemoglobin and transports oxygen and carbon dioxide to and from the tissues. 136. "Leucocyte' is a colorless cell which circulates in the blood and body fluids and is involved in counter acting foreign substances and disease a white blood cell.
137. 'Isobar' a line on a map connecting points having the same atmospheric pressure. 138. 'Pneumonia' is a lung infection in which the air-sacs fill with pus. 139. "Leprosy' is a contagious bacterial disease that affects the skin, mucous membranes and nerves, causing discoloration and humps on the skin and, in severe cases, disfigurement and deformities. 140. Sithophytes- are a type of plant that grows in or on rocks. Lithophytes feed on moss, nutrients iti„.40181..waster, litter, and even their own dead tissue. 141. Gunpowder ii a Adtrre of Sulphur, charcoal and potassium nitrate. When water is added to the mixture potassium nitrate dissolves. 142. A black hole is a region of space-time from which nothing, not even light, can escape. 143. Rabies (Hydrophobia) is a disease recognized by Ina 5e Dog biting. It effect on the Central Nervous system. 144. Pneumonia affects the respiratory system. • 145. 'Cooking gas" is a mixture of Butane and Propane. 146. Iron articles rust because of the formation of a mixture of ferrous and ferric hydroxide. 147. 'Chlorination' is the process of adding the element chlorine to water as a method of water purification to make it fit for human consumption as drinking water. 148. Sulphur is mixed with the rubber to make it more flexible. 149. Dysentery is an intestinal inflammation, especially in the colon, that can lead to severe
diarrhea with mucus or blood in the feces. 150. Vario cholerae is a Gram-negative, comma-shaped bacterium. Some strains of V. cholerae cause the disease cholera. 151. Manatophobia' is an extreme and irrational fear of death. 152. 'Psoriasis- is a common skin condition that causes skin redness and irritation. 153. "Hippocratic Oath- is an oath historically taken by physicians and other healthcare professionals swearing to practice medicine ethically. It is widely believed to have been written by Hippocrates, often regarded as the father of western medicine, or by one of his students. 154. Microphone is used to convert sound waves into electrical energy. 155. Penicillin is widely used as an antibiotic 156. The air we inhale is mixture of gases. Which of the following gases in the mixture is highest in percentage? Nitrogen 157. The average thickness of the earth's crust is 32km. 158. The substances human body produces to fight against disease germs are called Antibodies. 159. The distance of place south or north of Equator is called Latitude. 160. "Arboriculture is a science of the cultivation, management, and study of individual trees, shrubs, vines, and other perennial woody plants.
161. "Vitamin E" is present in egg. 162. 'Y28" is a computer problem. 163. Which of the following animals can hear ultrasonic sound? Bat 164. SIM stands for Subscriber identity Module. 165. The energy generation in stars is due to Fusion of light nuclei. 166. Martin Cooper is known for his invention of Mobile Phone. 167. The law of floating bodies was discovered by Greek scientist Archimedes. 168. First human heiat transplant operation conducted by Dr. Christian Bernard on Louis Washkanalty, was conducted hi /Wt. 169. Exposure to sunlight helps a perso ihtdivveluti health because the ultraviolet rays convert skin oil into Vitamin D 170. The ozone layer restricts Ultraviolet radiation 7" cots, 171. Eugenics is the study of altering human beings by changing their mponents 172. Ecology deals with Relation between organisms and their environment. 173. Filaria is caused by Mosquito. 174. If speed of rotation of the earth increases, weight of the Ix* decreases 175. Fathometer is used to measure Ocean depth 176. Gabriel Daniel Fahrenheit was a German Physicist : developed the mercury thermometer in 1714 ; devised temperature scale
177. Who discovered penicillin? Alexander Fleming. 178. 'Entomology- is the study of Insects. 179. In Algebra and mathematics who is credited with the originating the Binomial Theorem by Omar-i-Khayyam. 180. Nitrogen gas is used in electric bulb. 181. One US barrel is equal to 159 liters. 182. Quicklime is an alkaline powder obtained by strongly heating which other material? Chalk. 183. What is the name of the milky fluid obtained from bees which is used to produce rubber? latex. 184. Which is the only mammal with the power of active flight? Bat. 185. Which lower level of clouds are commonly called 'rain clouds? Nimbus. 186. Which medical specialty is concerned with the problems and illnesses of children? Pediatrics. 187. What name is given to the stiffening of the body after death? Rigor mortis. 188. The name of which Roman god means 'shining father in Latin? Jupiter. 189. What is the central color of a rainbow? Green. 190. What part of the body consists of the duodenum, the jejunum and the ileum? Small intestine.
191. What, in Internet terminology, does SMTP stand for? Simple Mail Transfer Protocol. 192. What, in Internet terminology, does FTP stand for? File Transfer Protocol. 193. What is the art of preparing, stuffing and mounting the skins of animals to make lifelike models called? Taxidermy. 194. What is the technical name for abnormally high blood pressure? Hypertension. 195. What part of eye is responsible for its color? The iris. 196. What is the second planet from the sun? Watts. 197. Which gas used in advertising signs has the symbol Ne? Neon. 198. In medicine, which is the most widespread parasitic infection? Malaria. 199. What causes earthquakes? Earthquakes occur when energy stored within the Earth, usually in the form of strain in rocks, suddenly releases. This energy is transmitted to the surface of the Earth by earthquake waves. 200. What is Galaxy? Galaxy, a massive ensemble of hundreds of millions of stars, all gravitationally interacting, and orbiting about a common center. Astronomers estimate that there are about 125 billion galaxies in the universe. All the stars visible to the unaided eye from Earth belong to Earth's galaxy, the Milky Way. 201. What is an anemometer? Anemometer (Greek anemos, 'wind'; metron, 'measure), an instrument that measures wind speed. 202. What is paleontology? Paleontology, study of prehistoric animal and plant life through
the analysis of fossil remains. 203. How far is the sun from earth? The average distance from Earth is ISO million km (93 million miles). 204. What was the first creature to travel in space? The Soviet Union also launched the first living creature, a dog named Laika, into apace on November 3, 1957. 205. What is dry ice? Solid carbon dioxide, known as dry ice, is widely used as a refrigerant. Its cooling {pp As almost twice that of water ice; its special advantages are that it does not melt as a liquid litttPtto gas, and that it produces an inert atmosphere that reduces bacterial growth. I' 49 kis 206. The origin of earth dates back to ap604tely? 4.6 billion year 207. The dates on which day and night is equal are? ,ffit march and 23rd September 208. Hematite is an ore of iron. 209. Earth completes one rotation on its axis in? 23 hours 56 mints sind-4.9*c 210. Which of the following gases is most predominant in the sun? Hydrogen 211. The coldest planet is Neptune. 212. The Cornea of the eyes is the only part of body without blood supply. 213. The Average weight of man's brain is 4.8 ounces. 214. The Average weight of woman's brain is 4.4 ounces. 215. The most common element in the atmosphere is Nitrogen (N). which is present at 78.08
percent by volume and 75.52 percent by man. 216. The most common element in the universe is Hydrogen (H), according for 90 percent of all known matter in the universe, and68 percent by mass in the Solar System. 217. Radium was discovered by Mario Curie Pierre Curie. 218. Railway Engine was invented by Stephenson. 219. The largest bone of human body is Thigh Bone. 220. The proportion of water in human body is about 8517. (Blood in Human Body 5.6 Liter 10 % of total volume 221. Cockroach is considered as the ancient insect of the world. 222. *Rickets" in n disease of the bones (due to deficiency of Vitamin ID). 223. Sound will travel fastest in Solids. 224. Lack of oxygen at high altitude produces bleeding. 225. Chronometer is used to measure time while on ship. 226. Dental enamel is the hardest thing present in n human body. 227. The density of a liquid is measured by Hydrometer. 228. 'Fathom' is the unit of measurement of depth. 229. Iron is the most widely used metal. 230. A human body has 236 joints. (206 bones, new baby contains 300). There are 24 ribs in a human body.
231. A colour blind person cannot distinguish between Red and Green. 232. Hippocrates is considered as the father of Medicine. 233. Platinum is the costliest metal in the world. 234. The main component of a TV is a cathode ray tube. 235. A man breathes 17 to18 times in a minute. 236. The breathing rate is controlled by the medulla. 237. The only metal which is liquid at ordinary temperature is Aluminium. 238. In the normal composition of human body oxygen is 64 percent. 239. The use of fingerprints for identification purposes was first proposed by the British scientist Sir Francis Gallon. 240. Who invented 'Printing Press? Gutenberg 241. Who invented Television? John I.. Baird 242. Who was the inventor of 'mercury thermometer? Fahrenheit 243. Albert Einstein presented 'theory of relativity'. 244. Insulin was invented by F. Ranting. 245. Who discovered ')C-rays? Roentgen 246. Dr. Alfred Bernhard Nobel discovered Dynamite 247. 'Law of gravitation' was introduced by Sir Isaac Newton 248. Vaccination for smallpox' was discovered by Jenner
249. Who discovered 'Oxygen? Priestley Joseph 250. What is the scientific name of man? Homo sapiens 251. Polio, AIDS and Measles are caused by Virus 252. T.B., leprosy . whooping cough and diphtheria are caused by Bacteria 253. Lack of vitamin B can cause Bed Berl 254. Goiter is caused by Deficiency of Iodine 255. Man eat ittplants and animals so called Omnivore 256. Pepsin produced4ti titomach digests the Proteins 257. Bile is secreted by Liver /19 TT 258. Blood sugar level is controlled by 11648 called Insulin 259. DNA double helix model was given by Watson and Crick 260. Who gave the theory of evolution? Darwin 261. Pituitary glands are located on Brain 262. Tears are produced by Lachrymal glands 263. In human eye image is formed at Retina 264. Lemon contains vitamin C vitamin 265. What is diploid number of man's chromosome? 46 266. A patient is put to Dialysis, when he or she suffers from Kidney ailment 267. Acquired Immune Deficiency Syndrome (AIDS) is infected by Virus
QUESTIONS TOR EVERYDAY SCIENCE 268. A universal donor has blood group is 0 (receptor A&B) 269. Kangaroo is native animal of Australia 270. Helium, neon and argon are called Noble Gases 271. Water is made of which two gases? Hydrogen and Oxygen 272. Copper is used in making brass, bronze and German silver. 273. Which atom does not have a neutron? Hydrogen 274. The charge present on an electron is Negative 275. The charge present on a proton is Positive 276. Water was discovered by Cavendish 277. Most abundant element in human body is Oxygen 278. Which of the following is the lightest element of the periodic table? Hydrogen 279. An instrument used for measuring atmospheric pressure is called Barometer 280. Natural radioactivity was discovered by Becquerel in 1896 281. Neutron was discovered by Chadwick 282. The circumference of the earth was determined by Al-Beruni 283. Telephone was invented by Graham Bell 284. SI unit of length is Meter, SI unit of force is Newton, Unit of work in SI units is Joule and Unit of Power in SI unit is Watt. 285. Energy possessed by a body due to its motion is called Kinetic Energy
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QUESTIONS FOR EVERYDAY SCIENCE 286. Lens which is thinner at the centre and thicker at the edge is called Concave Lens. 287. A lens which is thicker at the centre and thinner at the edges is called Convex Lens 288. The diameter of a lens is called Aperture 289. Energy in sun produced by hydrogen nuclei is the result of Fusion 290. Ohm is unit of which quantity? Resistance 291. Calorie is unit of which quantity? Heat 292. Dyne is iitopt quantity? Force 293. Angstrom is uni pihreflt nifty? Length 294. Becquerel is unit of which dioectivity 295. Who invented printing press? John 296. A beam of white light passing through a prism-tea/0 297. How much time does the sun light take to reach the Et 298. The Sun is made of gases mainly Hydrogen and Helium 299. The outer surface temperature of the Sun is 6000 OC 300. In the core of the Sun Nuclear Fusion process is occurring all the times. 301. Which is the hottest planet of our solar system? Venus 302. Which planet is closest to the Earth? Venus 303. Which planet is biggest from the Sun? Jupiter 304. Which is the closest planet to the Sun? Mercury

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305. During Solar eclipse the moon comes between the Earth and the Sun. 306. During Lunar eclipse the Earth comes between the moon and the Sun. 307. The greenish planet of solar system is Uranus 308. Which planet of solar system is red in color? Mars 309. Name the blue colored planet. Neptune 310. Formation and change of one season to another is due to Earth Revolution 311. The Sun appears to rise from the East and set into the West due to Rotation of Earth 312. ROM stands for Read Only Memory 313. A byte is a group of 8 bits 314. SIMM stands for Single Inline Memory Module 315. Four nibbles are equal to Two Bytes 316. Smallest unit of memory is Bit 317. 1 Megabyte is equal to 1024 Kilobytes 318. 1 Kilobyte is equal to 1024 Bytes 319. A condition in which memory lost is called Amnesia. 320. Which planet is known as 'Earth's near twin planet"? Venus 321. Which is the brightest planet in the Solar System? Venus 322. The smallest, fastest and smallest diameter planet is Mercury. 323. Which one of the following planets has the maximum number of satellites? Jupiter
QUESTIONS FOR EVERYDAY SCIENCE
324. To measure electric current: Ammeter is used 325. Which instrument is used to measure blood pressure? Sphygmomanometer 326. Which instrument is used to measure minute electrical currents? Galvanometer 327. Hydrometer is the device that measures: The specific gravity of a liquid 328. Hygrometer is used to measure: humidity 329. What is used for detecting and measure earthquakes? Seismograph 330. What splits light into its spectrum? Spectroscope 331. Thermometer is used to measure: Temperature. 332. The science of study of old age is called Gerontology 333. The function of the thermostat in a refrigerator is To maintain the temperature 334. Blotting paper absorbs ink because The action of capillary 335. Name the vaccine that protects against tuberculosis? BEG bacillus Calmette-Guerin 336. Name the disease of the liver that causes a patient to turn yellow? Jaundice 337. Equinox is the time when the sun appears vertically overhead at noon at the equator. 338. In the human body. blood-clotting factor is produced by the liver 339. Human blood is able to carry large amounts of oxygen because of the chemical hemoglobin 340. The living part of a plant cell is composed of a nucleus and cytoplasm
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341. The front of the eye is covered with a tough transparent material called CORNEA 342. The smallest branches of an artery lead into tiny blood vessels called CAPPILARIES 343. Insulin is produced in the human body by the Pancreas 344. In an animal cell protein is synthesized in the Ribosome 345. Chemically finger nails are made up of Protein 346. Muscle stiffness is a symptom caused by the disease Tetanus 347. The fat in our food is digested by the enzymes lipase 348. Sound is a form of energy 349. A fraction of sunlight is refracted as it enters the earth's atmosphere. 350. Electric current is measured by an Ammeter. 351. Light with larger wavelength than that of the red color is called infrared 352. Medulla Oblongata connects the small brain with the spinal cord. 353. Spinach is a good source of vitamin A. B2 (Riboflavin) and Iron. 354. Femur is a bone of the leg. 355. Excessive burning of fossil fuels cause add rain. 356. Planet Mars has two moons. 357. Bauxite is an ore of aluminum 358. Mica is a nonconductor of electricity 359. Sun is the biggest star in the universe.
360. The capacity to do work is called energy. 361. The energy possessed by a body die to its position is called potential energy. 362. Nucleus usually lies in the centre of an animal cell 363. Calcium and phosphorus are the essential elements of bones. 364. Proteins are formed by combination of amino acids. 365. Rainwater dissolves Sulphur dioxide to form sulphuric acid.
366. The set of 367. In a heat e

etions given to a computer is called software. hat energy is changed into mechanical energy
368. The smallest unit of measuretnerSaivelength is angstrom 369. The chemical generally used in refrikent4 is ethylene 370. Period of famous Muslim scientists is 7th - I 3th ceapy 371. Heat radiation travels at a speed equal to speed of light 372. Amoeba is a unicellular animal. 373. Leprosy is a disorder of the nervous system. 374. Quartz is chemically a Silicate. 375. Solar eclipse occurs in New moon. 376. Centigrade & Fahrenheit scales give same reading at - 400o 377. Who described protoplasm as the physical basis of life? T. H. Huxley 378. The scientist who first discovered that the earth revolves round the sun was Copernicus
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379. Who invented the steam engine? James Watt 380. Who discovered circulation of blood in human body? William Harvey 381. The credit of inventing the television goes to Baird 382. The credit of developing the polio vaccine goes to Jonas Salk 383. The unit of energy in MKS system is Joule 384. The telephone was invented by Alexander Graham Bell 385. What is the body temperature of a normal man? 36.9oC 386. The pancreas secretes Insulin 387. Tibia is a bone found in the Leg 388. The largest pan of the human brain is the Cerebrum 389. Red blood corpuscles are formed in the Bone marrow 390. What is the main component of bones and teeth? Calcium sulphate 391. The main constituent of hemoglobin is Iron 392. The function of hemoglobin is Prevention of anemia 393. Malaria is a disease which effects the Spleen 394. A person of which of the following blood groups is called a universal donor? 0 395. A person with which of the following blood groups can receive blood of any group? AB 396. Which gland in the human body is called the master gland? Pituitary 397. How many bones are there in a newly born infant? 300
398. Which of the following diseases is caused by virus? Small pox 399. Medulla oblongata is a part of human Brain 400. Myopia is a disease connected with Eyes 401. Leukemia is a disease of the Blood 402. Short-sightedness can be corrected by using Concave lens 403. Trachoma is a disease of the Eyes 404. Typhoid and cholera are typical examples of Water-borne disease 405. Pyorrhea is a disease of the Gums 406. Lack of what causes diabetes. Insulin 407. Appendix is appendix is a part of Large intestine 408. ECG is used for the diagnosis of aliments of Heart 409. Biopsy is done on Tissues taken form a living body 410. Dialysis is used for the treatment of Kidney failure 411. Insulin is injected into the intestines by Pancreas 412. Lock Jaw, i.e.. difficulty in opening the mouth is a symptom of Tetanus 413. Lungs are situated in the Thoracic cavity 414. Enzymes help in Digestion of food. Food is normally digested in the Small intestines. 415. The planet of the solar system which has maximum numbers of Moon is Jupiter (as of 2011)
416. A unit of length equal to the average distance between the earth and sun is called Astronomical unit 417. The ozone layer is present about 30miles (50km) in atmosphere above earth. The stratum (layer) of atmosphere in which ozone layer lies is called as Stratosphere 418. Which rocks are formed by the alteration of pre-existing rocks by great heat or pressure Metamorphic rocks 419. The most abundant natural Iron oxides arc Hematite and Magnetite 420. The most abundant elements in sea water Sodium and Chlorine 421. The unit of home electricity energy consumption is Kilowatt hour 422. The speed of sound in dry air at 20 C is about (343 m/s) 423. The time light takes from Sun to reach Earth is 8 minutes 424. Light from Sun travels a distance before it reaches Earth 150 Million Km 425. The most suitable thermometer for measuring the boiling point of water is Mercury thermometer 426. The density of water is greatest at 4°C 427. A vacuum cannot conduct heat 428. The building blocks of elements are called Molecules 429. Boiling of an egg is a change which is Chemical 430. The usual raw material for ceramics, generally found beneath the top soil is? Clay
431. Polynmides are synthetic polymers commonly known as Nylon 432. Telephone was invented in 1876 in America by Graham Bell. 433. Man belongs to the family Hominidac 434. To measure the specific gravity of milk, the instrument used is Lactometer 435. one of the fundamental characteristics of living organisms is Metabolism 436. Water is heated In a kettle. The inside water is heated by convection. A person sitting near the fire receives heat by Radiation 437. Three elements needed for the healthy growth of plants are N.P.K 438. Parsec is n unit of Distance 439. Twinkling of stars is caused by refraction of light 440. In humans most nutrient molecules are absorbed by the small intestine 441. Laughing gas has chemical composition of the following two elements which are Nitrogen + oxygen 442. Hepatitis A is transmitted to different individuals by Water 443. The unit that coordinates different devices of the computer system is Control unit 444. Cancer can be treated by Chemotherapy and radiotherapy 445. The name of the common mineral salt present in sea is Sodium Chloride 446. Founder of modern astronomy was Nicolas Copernicus 447. The instrument which measures very high temperature is Pyrometer
448. Chemical used to kill rata and mice are Rodenticides 449. The position of earth in its orbit, when it is at its greatest distance from the sun causing northern summer is called Aphelion 450. Which of the following layers make radio transmission possible? Ionosphere 451. Which of the following explains the reason why there is no total eclipse of the sun? Size of the earth in relation to that of moon 452. Which oniglorth5following is a non-metallic mineral? Gypsum 453. Yeast is usedwirrat‘ingbread because it produces Carbon dioxide 454. Oasis is associated with bs r. 455. Name the famous book of Ibn-Sirta frtglk he discussed human physiology and medicine? Al•Qanoon )e 4), I 456. Animal which captures and readily kills living animals for i4figd-is called Predator 457. An altimeter is used for measuring Altitude 458. Ology is the study of Birds eggs 459. Radioactivity was discovered by Henry Becquerel 460. The metal used in storage batteries is Lead 461. Barometer was invented by Tonicelli 462. Dynamo was invented by Michael Faraday 463. Galileo's
first scientific discovery was Pendulum
431. Polynmides are synthetic polymers commonly known as Nylon 432. Telephone was invented in 1876 in America by Graham Bell. 433. Man belongs to the family Hominidac 434. To measure the specific gravity of milk, the instrument used is Lactometer 435. one of the fundamental characteristics of living organisms is Metabolism 436. Water is heated In a kettle. The inside water is heated by convection. A person sitting near the fire receives heat by Radiation 437. Three elements needed for the healthy growth of plants are N.P.K 438. Parsec is n unit of Distance 439. Twinkling of stars is caused by refraction of light 440. In humans most nutrient molecules are absorbed by the small intestine 441. Laughing gas has chemical composition of the following two elements which are Nitrogen + oxygen 442. Hepatitis A is transmitted to different individuals by Water 443. The unit that coordinates different devices of the computer system is Control unit 444. Cancer can be treated by Chemotherapy and radiotherapy 445. The name of the common mineral salt present in sea is Sodium Chloride 446. Founder of modern astronomy was Nicolas Copernicus 447. The instrument which measures very high temperature is Pyrometer
448. Chemical used to kill rata and mice are Rodenticides 449. The position of earth in its orbit, when it is at its greatest distance from the sun causing northern summer is called Aphelion 450. Which of the following layers make radio transmission possible? Ionosphere 451. Which of the following explains the reason why there is no total eclipse of the sun? Size of the earth in relation to that of moon 452. Which oniglorth5following is a non-metallic mineral? Gypsum 453. Yeast is usedwirrat‘ingbread because it produces Carbon dioxide 454. Oasis is associated with bs r. 455. Name the famous book of Ibn-Sirta frtglk he discussed human physiology and medicine? Al•Qanoon )e 4), I 456. Animal which captures and readily kills living animals for i4figd-is called Predator 457. An altimeter is used for measuring Altitude 458. Ology is the study of Birds eggs 459. Radioactivity was discovered by Henry Becquerel 460. The metal used in storage batteries is Lead 461. Barometer was invented by Tonicelli 462. Dynamo was invented by Michael Faraday 463. Galileo's
first scientific discovery was Pendulum
464. Microscope was invented by Anton Van Let-wen Hock 465. The scientist who is known as father of modem biology is Aristotle 466. The first person to see a cell under microscope was Robert Hooke 467. The smallest flowering plant is Worffm 468. The four blood groups were discovered by Karl Landsteiner 469. The atomic number of oxygen is Eight 470. The basic building blocks of proteins arc Amino acids 471. The unit of loudness is Phon 472. An ammeter is used to measure Electric current 473. Plant that eat insects are called Insectivorous plants 474. Fruits that are formed without fertilization are called Parthenocarpic 475. Plants that flower only once in their lifetime are called Mono carpie 476. Penicillin is obtained from Mould 477. Herpetology is the study of Reptiles 478. Osteology is the study of Bones 479. The botanical name for onion is Album Cepa 480. The study of heavenly bodies is called Astronomy 481. Electric Lamp was invented by Thomas alva Edison 482. The fear of crowd is called Ochlophobia
483. The fear of books is called Bibliophobia 484. The fear of going to bed is called Clinophobia 485. Calcium sulphate is commonly called Plaster of Paris 486. Sodium carbonate is commonly called Washing Soda 487. Sodium chloride is commonly known as Common Salt 488. The chemical name of Chloroform is Trichloromethane 489. The chemical name of baking powder is Sodium bicarbonate 490. The chemical name of bleaching powder is Calcium hypochloritc 491. A fungus which can only survive on other living organisms is called Obligate Parasite 492. A plant which lives in the dark is called Scotophyte 493. Laser was invented by Dr.Charles H.Townes 494. Thermostat is an instrument used for regulating Constant temperature 495. The science of organic forms and structures is known as Morphology 496. The fear of women is known as Gynophobia 497. The fear of men is known as Androphobia 498. The scientist who developed the Quantum theory was Max Planck 499. The acid used in a car battery is Sulphuric acid 500. The system for writing by blind people was invented by Louis Braille 501. The parachute was used for the first time by J.P.Blanchard
502. The German physicist who first demonstrated the existence of Radio waves was lienrich Hertz 503. Fountain pen was invented by LE.Waterrnan 504. The role of heredity was demonstrated by Mendel 505. The instrument used to measure the concentration of salt water is the Sakilometer 506. Safety matches was invented by J.E.Lundstrom 507. Dynamics is the study of Movements of bodies S08. Statics is the study of Forces acting on bodies at rest 509. Mechanics is the study of Forces acting on bodies 510. The electro-autliograph was invented by William Einthoven 511. Chronometer was invented by John Harrison 512. The study of antiquities is known as Archaeology 513. The study of the duration of life is known as Chronobioloret 514. Calcium oxide is commonly known as Quick lime 515. A deviation of light passing from one medium to another is known as Refraction 516. An apparatus for generation of atomic energy is called a Reactor
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