- Microphone is used to convert sound waves into electrical energy.
- Penicillin is widely used as an antibiotic.
The air we inhale is mixture of gases. - Which of the following gases in the mixture is highest in percentage in the air? Nitrogen
- The average thickness of the earth’s crust is 32km(15 to 20 km).
- The substances human body produces to fight against disease germs are called Antibodies.
- The distance of place south or north of Equator is called Latitude.
- Abori-culture is a science of the cultivation, management, and study of individual trees, shrubs, vines, and other perennial woody plants.
- Vitamin E is present in eggs.
- Y2K” is a computer problem.
- Which of the following animals can hear ultrasonic sound? Bat.
- SIM stands for Subscriber identity Module.
- The energy generation in stars is due to Fusion of light nuclei.
- Martin Cooper is known for his invention of Mobile Phone.
- The law of floating bodies was discovered by Greek scientist Archimedes.
- First human heart transplant operation conducted by Dr. Christian Bernard on Louis Washkansky, was conducted in 1967.
- Exposure to sunlight helps a person improve his health because the ultraviolet rays convert skin oil into Vitamin D.
- The ozone layer restricts Ultraviolet radiation.
- Eugenics is the study of altering human beings by changing their genetic components.
- Ecology deals with Relation between organisms and their environment.
- Filaria is caused by worms nematodes and spreaded by Mosquito.
- If speed of rotation of the earth increases, weight of the body decreases.
- What happens on cooking meal for longer time? It reduces nutrition value of food.
- Fathometry is used to measure Ocean depth.
- Gabriel Daniel Fahrenhelt was a German Physicist developed the mereury thermometer in 1714, devised temperature scale.
- Which one is a metal? Mercury
- Who discovered penicilin? Alexander Fleming.
- Which gas used in advertising signs with symbol Ne? Neon.
- Entymology is the study of Insects.
- In Algebra and Mathematics who is credited with the originating the Binomial Theorem by Omar-i-Khayyam.
- Nitrogen gas is used In electric bulb.
- One US barrel is equal to 159 litres.
- Quicklime is an alkaline powder obtained by strongly heating which other material? Chalk.
- What is the name of the milky fluid obtained from trees which is used to produce rubber? Latex.
- Which is the only mammal with the power of active flight? Bat.
- Which lower level of clouds are commonly called ‘rain clouds’? Nimbus.
- Which medical specialty 1S concerned with the problems and illnesses of children? Pediatrics.
- Martin Cooper is known for his invention of Mobile Phone.
- Exposure to sunlight helps a person improve his health because the ultraviolet rays convert skin oil into Vitamin D.
- What name is given to the stiffening of the body after death? Rigor mortis.
- The name of which Roman god means ‘shining father’ in Latin? Jupiter.
- What is the central color of a rainbow? Green
- The ozone layer restricts Ultraviolet rays.
- What part of the body consists of the duodenum, the jejunum and the ileum? Small Intestine.
- What, in internet terminology, does SMTP stand for? Simple Mail Transfer Protocol.
- What, in internet terminology, does FTP stand for? File Transfer Protocol.
- What is the art of preparing, stuffing and mounting the skins of animals to make lifelike models called? Taxidermy.
- What is the technical name for high blood presure? Hypertension.
- What part of eye is responsible for its color? The iris.
- What is the second planet from the sun? Venus.
- Which gas used in advertising signs has the symbol Ne? Neon.
- In medicine which is the most widespread parasitic infection?Malaria.
- 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.
- 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.
- What is an anemometer? Anemometer is an instrument that measures wind speed.
- Entymology is the study of Insects.
- Nitrogen gas is used in electric bulb.
- One US barrel is equal to 159 litres.
- Quicklime is an alkaline powder obtained by strongly heating which other material? Chalk.
- What is the name of the milky fluid obtained from trees
- which is used to produce rubber? Latex.
- Which is the only mammal with the power of active flight? Bat.
- What is paleontology? Paleontology, study of prehistoric animal and plant life through the analysis of fossil remains.
- How far is the sun from earth? The average distance from Earth is 150 million km (93 milion miles).
- What was the first creature to travel in space? The Soviet Union also launched the first living creature, a dog named Laika into space on November 3, 1957.
- What name is given to the stiffening of the body after death? Rigor mortis.
- The name of which Roman god means ‘shining father’ in Latin? Jupiter.
- What, in internet terminology, does SMTP stand for? Simple Mail Transfer Protocol.
- What, in internet terminology, does FTP stand for? file Transfer Protocol.
- What is dry ice? Solid carbon dioxide, known as dry ice, is widely used as a refrigerant. Its cooling effect is almost twice that of water ice; its special advantages are that it does not melt as a liquid but turns into gas, and that it produces an inert atmosphere that reduces bacterial growth.
- The origin of earth dates back to approximately? 4.6 billion year.
- The dates on which day and night is equal are? 21st March and 23rd September.
- Haematite is an ore of iron.
- Earth completes one rotation on its axis in? 23 hours 56 mints and 4.9 sec.
- Which of the following gases is most predominant in the sun? Hydrogen.
- The coldest planet is Neptune.
- The Cornea of the eyes is the only part of body without blood supply.
- The Average weight of man’s brain is 4.8 ounces.
- The Average weight of woman’s brain is 4.4 ounces.
- The most common element in the atmosphere is Nitrogen (N), which is present at 78.08 percent by volume and 75.52 percent by mass.
- The most common element in the universe is Hydrogen (H), according for 90 percent ofall known matter in the universe, and68 percent by mass in the Solar System.
- Radium was discovered by Mario Curie Pierre Curie.
- Railway Engine was invented by Stephenson.
- The largest bone of human body is Thigh Bone.
- The proportion of water in human body is about 85%. (Blood in Human Body 5-6 Liter 10 % of total volume).
- Cockroach is considered as the ancient insect of the world.
- Rickets is a disease of the bones ( due to deficiency of Vitamin D).
- Sound will travel fastest in Solids.
- Lack of oxygen at high altitude produces bleeding.
- Chronometer is used to measure time while on ship.
- Dental enamel is the hardest thing present in a human body.
- The density of a liquid is measured by Hydrometer.
Iron is the most widely used metal - A human body has 236 joints (1206 b0nes and a new baby contains 300 bones).
- There are 24 ribs in the human body.
- A color blind person cannot distinguish between Red and Green.
- Hippocrates is considered as the father of the Medicine.
- Platinum is the costliest metal in the world.
- The main component of a TV is a cathode ray tube.
- A man breathes 17 to18 times a minute.
- The breathing rate controlled by the medulla.
- The only metal which is liquid at ordinany temperature is Mercury.
- In the normal composition of human body oxygen is 64 percent.
- The use of fingerprints for identification purposes was first proposed by the British scientist Sir Francis Galton.
- Who invented Printing Press’? Gutenberg.
- Who invented Television’? John L. Baird.
- Who was the inventor of ‘mercury thermometer’? Fahrenheit
- Albert Einstein presented ‘theory of relativity’.
- Insulin was invented by F. Banting.
- Who discovered X-rays’? Roentgen.
- Dr. Alfred Bernhard Nobel discovered Dynamite.
- Law of gravitation’ was introduced by Sir Isaac Newton.
General Science MCQs For PPSC, FPSC, SPSC Exams
