QUESTIONS FOR EVERYDAY SCIENCE
5741. Spleen is called the graveyard of Red Blood Cells.
5742. Oxgen Gas was discovered by Priestly.
5743. Dr. James Waston discovered the structure of DNA in 1953.
5744. Cell for the first time was discovered by Robert Hook.
5745. “Debugging” is the process of locating and fixing or bypassing bug s (errors) in computer
program code or the engineering of a hardware device.
5746. ‘Claustrophobia” is defined as the fear of enclosed spaces.
5747. “Brass” 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.
5748. “Bronze” is a metal alloy consisting primarily of copper, usually with tin as the main additive. 5749. Vitamin C (also callead Ascorbic Acid) is a powerful antioxidant, and aids in the production of
collagen, and stimulates the immune system. Vitamin C is essential for appetite. 5750. “Soda Water” serves as a primary remedy for upset stomach.
5751. Normal arterial blood pH is 7.40, with a range of about 7.36-7.44. Blood pH
5752. depends on carbon dioxide (CO2) concentration and bicarbonate (HCO3) concentration.
5753. The main constituent of Sui Gas is Methane.
5754. Agoraphobia is the fear of open or public places. “Agraphia” is the inability to write. Acrophobia is the fear of heights. Aerophobia is a fear of flying, Apiphobia is a fear of what? Bees. Cyberphobia is the fear of computers or working on a computer.and acrophobia a fear of Heights.
5755. 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.
5756. “Dry ice” is a Solid Carbon Dioxide.
5757. Chemically diamond is a Pure Carbon.
5758. Gas is use in Fire Cylinders CO2.(CO2 is use for extinguishing fire)
5759. Sulphuric Acid is use in the car batteries.
5760. ‘Parkinson’ is adisease of Brain.
5761. The normal pulse beat of a human body is between 72—80.
5762. An instrument designed for testing the purity of milk is called Lactometer.
5763. “Autopsy” is the Post-Mortem examination of a body.
5764. “Lexicography” is the branch of science which deals with the process of writing dictionaries.
5765. Speed of Sound in Air 331 m/s.
5766.
Red Colour has largest and Blue colour has shortest Wavelength.
5767.
“Pomology” is the study and cultivation of fruit.
5768.
Logarithm tables were invented by John Napier
5769.
Fish is the Best source of protein.
5770. Most commonly used bleaching agent is chlorine 5771. The chief constituent of gobar gas is methane.
5772. The frequency of which of the following is the highest? Radio waves 5773. “Charles Drew” was the first pioneered the idea of a blood bank.
5774. Kidneys organ of the body purifies the blood. 5775. Skin is highly affected by the nuclear radiation first.
5776. Radio waves travel with almost the velocity of Light. 5777. Diamond is the hardest mineral.
5778. Life history of human malaria parasite in Anopheles was first described by Ronald Ross
5779. The distance between the earth and the sun is smallest in the month of January. 5780. Green vegetables are a good source of Minerals and Vitamins.
5781. One metric ton is equal to 1000 kg, or 2204 pounds.
5782. One square foot is equal to144 sq inches and 1 meter is equal to 3.28 foot.One nautical mile is equal to 6080.
5783. “Monometer” is an instrument for measuring Gaseous Pressure.
5784. Atmospheric pressure at sea level is 760 mm
5785. The acceleration caused by gravity per second is 32 feet.
5786. 1 Inch is equal to 2.54 centimeters.
5787. Silicon is called the “Earth maker”.
5788. When a disease occurs over a large area of earth’s surface at one time, it is called Epidemic
disease.
5789. The area between the Tropic of Cancer and the Trpic of Capricorn, where the sun is vertically overhead at some point of the year is called The Torrid zone.
5790. Deficiency of Vitamin C causes Scurvy.
5791. What does Angstrom measure? Speed of ships
5792. The scientist who first discovered that the earth revolves round the sun was
Copernicus.
5793. “Digital Computer” was invented by Howard Alken.
5794. Wood is the least conducter of electricity.
5795. “Cryptography” deals with the study of secret writing.
5796. What is laughing gas? Nitrous Oxide
5797. The element common to all acids is Hydrogen.
5798. Diamond is an allotropic form of Carbon.
5799. Earth revolves around the sun from? West to east 5800. Philately is the science of stamp collection.
5801. Hydrometer is used for specific gravity of liquid. 5802. Which vitamin easily prepared in body? vitamin D 5803. Which gas is commonly used in balloons? Helium
5804. The most abundant element in earth curst is Oxygen (O) 46.6% and silican is the second abudent element of earth and silican is called earth maker.
5805. One horse power is equal to 746 watt.
5806. Which colour phosphorus used in matches? Red 5807. Oldest known element? Copper
5808. Which shape of carbon is used in lead pencils? Graphite 5809. Artificial silk is called rayon.
5810. Basic component of paper is wood.
5811. The bar is a unit of pressure equal to 100 kilopascals and roughly equal to the atmospheric pressure on Earth at sea level.
5812. 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.
5813. Largest organ of the body is Skin and largest gland is Liver. 5814. Kidney disease due to overdose of vitamin c.
5815. CPU is an abbreviation of Central Processing Unit. 5816. Cusec is unit of water flow.
5817. ATM stands for Automated Teller Machine. 5818. Mirage is an example of refraction of Light. 5819. Sound travels fastest in Glass.
5820. The gravitational force on the body is called as Weight.
5821. Most astronomers believe that origin of the Universe is Big Bang Theory. 5822. Hepatitis and jaundice are the diseases of Liver.
5823. Neon gas is used in decoration lighting.
5824. Creature having both male and female organs is known as Hermaphrodite.
5825. A low area storm with high winds rotating about a center of low atmospheric pressure is called Cyclone.
5826. The first Muslim scientist who presented the law of reflection and refraction isIbn-ul- Haitham.
5827. The difference in the duration of day and night increases as one move from Equator to poles.
5828. Solar system was discovered by Nicolaus Copernicus. 5829. RAM stands for Random Access Memory.
5830. Richest source of Vitamin D is cod liver oil. 5831. 1sq cm is equal to how many square mm? 100
5832. 1 milligram gold is equal to how many milligrams? 1000
5833. We are saved from ultraviolet rays of sun through? Ozone Layer 5834. Vitamin K helps in blood clotting.
5835. Iron metabolism in the human body is helpful for Haemoglobin and blood is red due to hemoglobin.
5836. In how many groups the living organisms that have back bone, are divided? 5 groups
5837. Vitamins C not stored in human body and lack of vitamin c create skin disease. 5838. Art and science of growing flowers, fruit and vegetables is called Horticulture. 5839. What did Sir Isaac Pitman invent? A form of shorthand
5840. “Dactyliography” is the study of finger prints.
5841. “Etymology” is the study of origin and history of words.
5842. “Plague” is a disease, which spreads by rat.
5843. “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 by means of dance notation.
5844. Newton discovered that every applied force has an equal reaction.
5845. When heavy unstable elements split into relatively smaller elements along with the release of energy is called fission.
5846. Protein is present in the highest amount in a human body. 5847. ‘Bicycle’ was invented by Macmillan
5848. “Amino Acid” is the smallest unit of Protein.
5849. How many pairs of ribs are there in the human body? 12.
5850. 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.
5851. Ice melting at poles is because of Ozone depletion. Afforestation stands for planting of new Trees.
5852. “Marie Curie” was a physicist and chemist famous for her pioneering research on radioactivity. She was the first person honored with two Nobel Prizes—in physics and chemistry.
5853. On boiling egg hardens which indicates the presence of Protein. 5854. Abusive drugs damage cells of Brain.
5855. In modern television Cathode Ray Tube is replaced with Transistor.
5856. 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.
5857. “Stainless Steel” contains chromium, Iron and corban.
5858. Red blood cells have no nucleus
5859. Pain in ears when aeroplane goes down because of High Air pressure.
5860. The maximum limit of sound beyond which a person can become deaf is 129 db.
5861. Natural gas effect on our lungs because, it is harmful for human being. When ever we inhale carbon monoxide its poisonous and human body feeling illness. Its very dangrous when ever natural gas leak some where repair or block this leakage its very harmfull for human body and childrens as well.
5862. The tiny air sacs in the lungs tissues are called Aliveoli.
5863. The quantity of charge that is stored in a condenser is measured in Coulombs and SI unit of pressure is Pascal.
5864. The deficiency of Viamin E causes sterility in men and women.
5865. A xerophyte or xerophytic organism is a plant that has adapted to survive in an environment that lacks water, such as a desert.
5866. 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.
5867. 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.
5868. Anthophobia is the fear of flower. Xenophobia is the dislike or fear of people from other countries.
5869. Photophobia is the extreme sensitivity to light.
5870. “Herpes” is a disease caused by a herpes virus, affecting the skin or the nervous system.
5871. “Erythrocyte” is a red blood cell ( typically a biconcave disc without a nucleus) that contains
the pigment hemoglobin and transports oxygen and carbindioxide to and from the tissues.
5872. “Leucocyte” is a colourless cell which circulates in the blood and body fluids and is
involved in counter acting foreign substances and disease ; a white blood cell.
5873. “Isobar” a line on a map connecting points having the same atmospheric pressure. 5874. “Pneumonia” is a lung infection in which the air-sacs fill with pus.
5875. “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.
5876. “Lithophytes” are a type of plant that grows in or on rocks. Lithophytes feed off moss, nutrients in rain water, litter, and even their own dead tissue.
5877. Gunpowder is a mixture of sulphur, charcoal and potassium nitrate (nitre). When water is added to the mixture potassium nitrate dissolves.
5878. A black hole is a region of spacetime from which nothing, not even light, can escape.
5879. Rabies (Hydrophobia) is a disease recognized by Insane Dog biting. It effect on the Central Nervous system.
5880. Pneumonia affects the respiratory system.
5881. “Cooking gas” is a mixture of Butane and Propane.
5882. Iron articles rust because of the formation of a mixture of ferrous and ferric hydroxide. 5883. “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. 5884. Sulphur is mixed with the rubber to make it more flexible.
5885. Dysentery is an intestinal inflammation, especially in the colon, that can lead to severe diarrhea with mucus or blood in the feces.
5886. Vibrio cholerae is a Gram-negative, comma-shaped bacterium. Some strains of V. cholerae
cause the disease cholera.
5887. “Thanatophobia” is an extreme and irrational fear of death.
5888. “Psoriasis” is a common skin condition that causes skin redness and irritation.
5889. “Hippocratic Oath” is an oath historically taken by physicians and other healthcare professionals swearing to practise 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.
5890. Microphone is used to convert sound waves into electrical energy. 5891. Penicillin is widely used as an antibiotic
5892. The air we inhale is mixture of gases. Which of the following gases in the mixture is highest in percentage? Nitrogen
5893. The average thickness of the earth's crust is 32km.
5894. The substances human body produces to fight against disease germs are called Antibodies.
5895. The distance of place south or north of Equator is called Latitude.
5896. “Aboriculture” is a science of the cultivation, management, and study of individual
trees, shrubs, vines, and other perennial woody plants. 5897. “Vitamin E” is present in egg.
5898. Which of the following animals can hear ultrasonic sound? Bat 5899. SIM stands for Subscriber identity Module.
5900. The energy generation in stars is due to Fusion of light nuclei. 5901. Martin Cooper is known for his invention of Mobile Phone.
5902. The law of floating bodies was discovered by greek scientist Archimedes.
5903. First human heart transplant operation conducted by Dr. Christian Bernard on Louis Washkansky, was conducted in 1967
5904. Exposure to sunlight helps a person improve his health because the ultraviolet rays convert skin oil into Vitamin D
5905. The ozone layer restricts Ultraviolet radiation
5906. Eugenics is the study of altering human beings by changing their genetic components
5907. Ecology deals with Relation between organisms and their environment. 5908. Filaria is caused by Mosquito.
5909. If speed of rotation of the earth increases, weight of the body decreases 5910. Fathometer is used to measure Ocean depth
5911. Gabriel Daniel Fahrenheit was a German Physicist ; developed the mercury thermometer in 1714 ; devised temperature scale
5912. Who discovered penicillin? Alexander Fleming. 5913. “Entymology” is the study of Insects.
5914. In Algebra and mathematics who is credited with the originating the Binomial Theorem by Omar-i-Khayyam.
5915. Nitrogen gas is used in electric bulb. 5916. One US barrel is equal to 159 litres.
5917. Quicklime is an alkaline powder obtained by strongly heating which other material? Chalk.
5918. What is the name of the milky fluid obtained from trees which is used to produce rubber? Latex.
5919. Which is the only mammal with the power of active flight? Bat.
5920. Which lower level of clouds are commonly called ‘rain clouds’? Nimbus.
5921. Which medical specialty is concerned with the problems and illnesses of children? Pediatrics.
5922. What name is given to the stiffening of the body after death? Rigor mortis. 5923. The name of which Roman god means 'shining father' in Latin? Jupiter.
5924. What is the central colour of a rainbow? Green.
5925. What part of the body consists of the duodenum, the jejunum and the ileum? Small intestine.
5926. What, in internet terminology, does SMTP stand for? Simple Mail Transfer Protocol. 5927. What, in internet terminology, does FTP stand for? File Transfer Protocol.
5928. What is the art of preparing, stuffing and mounting the skins of animals to make lifelike models called? Taxidermy.
5929. What is the technical name for abnormally high blood presure? Hypertension. 5930. What part of eye is responsible for its color? The iris.
5931. What is the second planet from the sun? Venus.
5932. Which gas used in advertising signs has the symbol Ne? Neon.
5933. In medicine, which is the most widespread parasitic infection? Malaria.
5934. 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.
5935. What is Galaxy? Galaxy, a massive ensemble of hundreds of millions of stars, all gravitationally interacting, and orbiting about a common center. Astronomers
5936. 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.
5937. What is an anemometer? Anemometer (Greek anemos, “wind”; metron, “measure”), an instrument that measures wind speed.
5938. What is paleontology? Paleontology, study of prehistoric animal and plant life through the analysis of fossil remains.
5939. How far is the sun from earth? the average distance from Earth is 150 million km (93 million miles).
5940. 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.
5941. 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.
5942. The origin of earth dates back to approximately? 4.6 billion year
5943. The dates on which day and night is equal are? 21st march and 23rd september Haematite is an ore of iron.
5944. 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.
5945. The Cornea of the eyes is the only part of body without blood supply. 5946. The Average weight of man’s brain is 4.8 ounces.
5947. The Average weight of woman’s brain is 4.4 ounces.
5948. 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.
5949. 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.
5950. Radium was discovered by Mario Curie Pierre Curie. Railway Engine was invented by Stephenson.
5951. The largest bone of human body is Thigh Bone.
5952. The proportion of water in human body is about 85%. (Blood in Human Body 5-6 Liter 10 % of total volume )
5953. Cockroach is considered as the ancient insect of the world.
5954. “Rickets” is a disease of the bones ( due to deficiency of Vitamin D ). 5955. Sound will travel fastest in Solids.
5956. Lack of oxygen at high altitude produces bleeding 5957. chronometer is used to measure time while on ship.
5958. Dental enamel is the hardest thing present in a human body. 5959. The density of a liquid is measured by Hydrometer.
5960. ‘Fathom’ is the unit of measurement of depth. 5961. Iron is the most widely used metal.
5962. A human body has 236 joints. (206 bones , new baby contains 300). There are 24 ribs in a human body.
5963. A colour blind person cannot distinguish between Red and Green. 5964. Hippocrates is considered as the father of Medicine.
5965. Platinum is the costliest metal in the world.
5966. The main component of a TV is a cathode ray tube. 5967. A man breathes 17 to18 times in a minute.
5968. The breathing rate is controlled by the medulla.
5969. The only metal which is liquid at ordinary temperature is Aluminium. 5970. In the normal composition of human body oxygen is 64 percent.
5971. The use of fingerprints for identification purposes was first proposed by the British scientist Sir Francis Galton.
5972. Who invented ‘Printing Press’? Gutenberg
5973. Who invented ‘Television’? John L. Baird
5974. Who was the inventor of ‘mercury thermometer’? Fahrenheit
5975. Albert Einstein presented ‘theory of relativity’.
5976. Insulin was invented by F. Banting. 5977. Who discovered ‘X-rays’? Roentgen
5978. Dr. Alfred Bernhard Nobel discovered Dynamite
5979. ‘Law of gravitation’ was introduced by Sir Isaac Newton 5980. ‘Vaccination for smallpox’ was discovered by Jenner 5981. Who discovered ‘Oxygen’? Priestley Joseph
5982. What is the scientific name of man? Homo sapiens 5983. Polio, AIDS and Measles are caused by Virus
5984. T.B., leprosy , whooping cough and diphtheria are caused by Bacteria 5985. Lack of vitamin B can cause Beri Beri
5986. Goiter is caused by Deficiency of Iodine
5987. Man eat both plants and animals so called Omnivore 5988. Pepsin produced in stomach digests the Proteins 5989. Bile is secreted by Liver
5990. Blood sugar level is controlled by hormone called Insulin 5991. DNA double helix model was given by Watson and Crick 5992. Who gave the theory of evolution? Darwin
5993. Pituitary glands are located on Brain 5994. Tears are produced by Lachrymal glands 5995. In human eye image is formed at Retina 5996. Lemon contains vitamin C vitamin
5997. What is diploid number of man’s chromosome? 46
5998. A patient is put to Dialysis, when he or she suffers from Kidney ailment 5999. Acquired Immune Deficiency Syndrome (AIDS) is infected by Virus 6000. A universal donor has blood group is O (reciepter A&B)
6001. Kangaroo is native animal of Australia
6002. Helium, neon and argon are called Noble Gases
6003. Water is made of which two gases? Hydrogen and Oxygen 6004. Copper is used in making brass, bronze and German silver. 6005. Which atom does not have a neutron? Hydrogen
6006. The charge present on an electron is Negative
6007. The charge present on a proton is Positive 6008. Water was discovered by Cavendish
6009. Most abundant element in human body is Oxygen
6010. Which of the following is the lightest element of the periodic table? Hydrogen 6011. An instrument used for measuring atmospheric pressure is called Barometer 6012. Natural radioactivity was discovered by Becquerel in 1896
6013. Neutron was discovered by Chadwick
6014. The circumference of the earth was determined by Al-Beruni 6015. Telephone was invented by Graham Bell
6016. SI unit of length is Metre, SI unit of force is Newton, Unit of work in SI units is Joule and Unit of Power in SI unit is Watt.
6017. Energy possessed by a body due to its motion is called Kinetic Energy
6018. Lens which is thinner at the centre and thicker at the edge is called Concave Lens 6019. A lens which is thicker at the centre and thinner at the edges is called Convex Lens 6020. The diameter of a lens is called Aperture
6021. Energy in sun produced by hydrogen nuclei is the result of Fusion 6022. Ohm is unit of which quantity? Resistance
6023. Calorie is unit of which quantity? Heat 6024. Dyne is unit of which quantity? Force 6025. Angstrom is unit of which quantity? Length
6026. Becquerel is unit of which quantity? Radioactivity 6027. Who invented printing press? John Guttenberg
6028. A beam of white light passing through a prism scatters in Seven colours 6029. How much time does the sun light take to reach the Earth? 8.5 minutes
6030. The Sun is made of gases mainly Hydrogen and Helium 6031. The outer surface temperature of the Sun is 6000 0C
6032. In the core of the Sun Nuclear Fusion process is occurring all the times. 6033. Which is the hottest planet of our solar system? Venus
6034. Which planet is closest to the Earth? Venus 6035. Which planet is biggest from the Sun? Jupiter 6036. Which is the closest planet to the Sun? Mercury
6037. During Solar eclipse the moon comes between the Earth and the Sun. 6038. During Lunar eclipse the Earth comes between the moon and the Sun. 6039. The greenish planet of solar system is Uranus
6040. Which planet of solar system is red in colour? Mars 6041. Name the blue coloured planet. Neptune
6042. Formation and change of one season to another is due to Earth Revolution
6043. The Sun appears to rise from the East and set into the West due to Rotation of Earth 6044. ROM stands for Read Only Memory
6045. A byte is a group of 8 bits
6046. SIMM stands for Single Inline Memory Module 6047. Four nibbles are equal to Two Bytes
6048. Smallest unit of memory is Bit
6049. 1 Megabyte is equal to 1024 Kilobytes
6050. 1 Kilobyte is equal to 1024 Bytes
6051. A condition in which memory lost is called Amnesia.
6052. Which planet is known as “Earth’s near twin planet”? Venus 6053. Which is the brightest planet in the Solar System? Venus 6054. The smallest, fastest and smallest diameter planet is Mercury.
6055. Which one of the following planets has the maximum number of satellites? Jupiter 6056. To measure electric current: Ammeter is used
6057. Which instrument is used to measure blood pressure? Sphygmomanometer 6058. Which instrument is used to measure minute electrical currents? Galvanometer 6059. Hydrometer is the device that measures: The specific gravity of a liquid
6060. Hygrometer is used to measure: humidity
6061. What is used for detecting and measure earthquakes? Seismograph 6062. What splits light into its spectrum? Spectroscope
6063. Thermometer is used to measure: Temperature. 6064. The science of study of old age is called Gerontology
6065. The function of the thermostat in a refrigerator is To maintain the temperature 6066. Blotting paper absorbs ink because The action of capillary
6067. Name the vaccine that protects against tuberculosis? BCG 6068. bacillus Calmette-Guérin
6069. Name the disease of the liver that causes a patient to turn yellow? Jaundice
6070. Equinox is the time when the sun appears vertically overhead at noon at the equator. 6071. In the human body, blood-clotting factor is produced by the liver
6072. Human blood is able to carry large amounts of oxygen because of the chemical hemoglobin 6073. The living part of a plant cell is composed of a nucleus and cytoplasm
6074. The front of the eye is covered with a tough transparent material called CORNEA
6075. The smallest branches of an artery lead into tiny blood vessels called CAPPILARIES 6076. Insulin is produced in the human body by the Pancreas
6077. In an animal cell protein is synthesized in the Ribosome 6078. Chemically finger nails are made up of Protein
6079. Muscle stiffness is a symptom caused by the disease Tetanus 6080. The fat in our food is digested by the enzymes lipase
6081. Sound is a form of energy
6082. A fraction of sunlight is refracted as it enters the earth’s atmosphere. 6083. Electric current is measured by an Ammeter.
6084. Light with larger wavelength than that of the red colour is called infrared 6085. Medulla Oblongata connects the small brainwith the spinal chord.
6086. Spinach is a good source of vitamin A, B2 (Riboflavin) and Iron. 6087. Femur is a bone of the leg.
6088. Excessive burning of fossil fuels cause acid rain. 6089. Planet Mars has two moons.
6090. Bauxite is an ore of aluminium 6091. Mica is a nonconductor of electricity
6092. Sun is the biggest star in the universe. 6093. The capacity to do work is called energy.
6094. The energy possessed by a body die to its position is called potential energy. 6095. Nucleus usually lies in the centre of an animal cell
6096. Calcium and phosphorus are the essential elements of bones. 6097. Proteins are formed by combination of amino acids.
6098. Rainwater dissolves sulphur dioxide to form sulphuric acid. 6099. The set of instructions given to a computer is called software.
6100. In a heat engine, heat energy is changed into mechanical energy 6101. The smallest unit of measurement of wavelength is angstrom 6102. The chemical generally used in refrigerators is ethylene
6103. Period of famous Muslim scientists is 7th – 13th century A.D. 6104. Heat radiation travels at a speed equal to speed of light 6105. Amoeba is a unicellular animal.
6106. Leprosy is a disorder of the nervous system. 6107. Quartz is chemically a Silicate.
6108. Solar eclipse occurs in New moon.
6109. Centigrade & Fahrenheit scales give same reading at - 400o
6110. Who described protoplasm as the physical basis of life? T. H. Huxley
6111. The scientist who first discovered that the earth revolves round the sun was Copernicus 6112. Who invented the steam engine? James Watt
6113. Who discovered circulation of blood in human body? William Harvey The credit of inventing the television goes to Baird
6114. The credit of developing the polio vaccine goes to Jonas Salk The unit of energy in MKS system is Joule
6115. The telephone was invented by Alexander Graham Bell What is the body temperature of a normal man? 36.9oC The pancreas secretes Insulin
6116. Tibia is a bone found in the Leg
6117. The largest part of the human brain is the Cerebrum 6118. Red blood corpuscles are formed in the Bone marrow
6119. What is the main component of bones and teeth? Calcium sulphate
6120. The main constituent of hemoglobin is Iron
6121. The function of hemoglobin is Prevention of anemia 6122. Malaria is a disease which effects the Spleen
6123. A person of which of the following blood groups is called a universal donor? O
6124. A person with which of the following blood groups can receive blood of any group? AB 6125. Which gland in the human body is called the master gland? Pituitary
6126. How many bones are there in a newly born infant? 300
6127. Which of the following diseases is caused by virus? Small pox 6128. Medulla oblongata is a part of human Brain
6129. Myopia is a disease connected with Eyes 6130. Leukemia is a disease of the Blood
6131. Short-sightedness can be corrected by using Concave lens 6132. Trachoma is a disease of the Eyes
6133. Typhoid and cholera are typical examples of Water-borne disease 6134. Pyorrhea is a disease of the Gums
6135. Lack of what causes diabetes. Insulin
6136. Appendix is appendix is a part of Large intestine 6137. ECG is used for the diagnosis of aliments of Heart 6138. Biopsy is done on Tissues taken form a living body 6139. Dialysis is used for the treatment of Kidney failure 6140. Insulin is injected into the intestines by Pancreas
6141. Lock Jaw, i.e., difficulty in opening the mouth is a symptom of Tetanus 6142. Lungs are situated in the Thoracic cavity
6143. Enzymes help in Digestion of food. Food is normally digested in the Small intestines.
6144. The planet of the solar system which has maximum numbers of Moon is Jupiter (as of 2011) 6145. A unit of length equal to the average distance between the earth and sun is called
Astronomical unit
6146. 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
6147. Which rocks are formed by the alteration of pre-existing rocks by great heat or pressure Metamorphic rocks
6148. The most abundant natural Iron oxides are Hematite and Magnetite 6149. The most abundant elements in sea water Sodium and Chlorine 6150. The unit of home electricity energy consumption is Kilowatt hour 6151. The speed of sound in dry air at 20 C is about (343 m/s)
6152. The time light takes from Sun to reach Earth is 8 minutes
6153. Light from Sun travels a distance before it reaches Earth 150 Million Km
6154. The most suitable thermometer for measuring the boiling point of water is Mercury thermometer
6155. The density of water is greatest at 4°C 6156. A vacuum can not conduct heat
6157. The building blocks of elements are called Molecules 6158. Boiling of an egg is a change which is Chemical
6159. The usual raw material for ceramics, generally found beneath the top soil is? Clay 6160. Polyamides are synthetic polymers commonly known as Nylon
6161. Telephone was invented in 1876 in America by Graham Bell. 6162. Man belongs to the family Hominidae
6163. To measure the specific gravity of milk, the instrument used is Lactometer 6164. one of the fundamental characteristics of living organisms is Metabolism
6165. Water is heated in a kettle. The inside water is heated by convection. A person sitting near the fire receives heat by Radiation
6166. Three elements needed for the healthy growth of plants are N,P,K 6167. Parsec is a unit of Distance
6168. Twinkling of stars is caused by refraction of light
6169. In humans , most nutrient molecules are absorbed by the small intestine
6170. Laughing gas has chemical composition of the following two elements which are Nitrogen + oxygen
6171. Hepatitis A is transmitted to different individuals by Water
6172. The unit that coordinates different devices of the computer system is Control unit 6173. Cancer can be treated by Chemotherapy and radiotherapy
6174. The name of the common mineral salt present in sea is Sodium Chloride 6175. Founder of modern astronomy was Nicolas Copernicus
6176. The instrument which measures very high temperature is Pyrometer 6177. Chemical used to kill rats and mice are Rodenticides
6178. The position of earth in its orbit, when it is at its greatest distance from the sun causing northern summer is called Aphelion
6179. Which of the following layers make radio transmission possible?Ionosphere
6180. Which of the following explains the reason why there is no total eclipse of the sun? 6181. Size of the earth in relation to that of moon
6182. Which one of the following is a non-metallic mineral? Gypsum 6183. Yeast is used in making bread because it produces Carbon dioxide 6184. Oasis is associated with Desert
6185. Name the famous book of Ibn-Sina in which he discussed human physiology and medicine? Al-Qanoon
6186. Animal which captures and readily kills living animals for its food is called Predator 6187. An alimeter is used for measuring Altitude
6188. Oology is the study of Birds eggs
6189. Radioactivity was discovered by Henry Bacquerel 6190. The metal used in storage batteries is Lead
6191. Barometer was invented by Torricelli 6192. Dynamo was invented by Michael Faraday
6193. Galileo’s first scientific discovery was Pendulum
6194. Microscope was invented by Aaton Van Leewen Hock
6195. The scientist who is known as father of modern biology is Aristotle
6196. The first person to see a cell under microscope was Robert Hooke
6197. The smallest flowering plant is Worffia
6198. The four blood groups were discovered by Karl Landsteiner
6199. The atomic number of oxygen is Eight
6200. The basic building blocks of proteins are Amino acids
6201. The unit of loudness is Phon
6202. An ammeter is used to measure Electric current
6203. Plant that eat insects are called Insectivorous plants
6204. Fruits that are formed without fertilization are called Parthenocarpic
6205. Plants that flower only once in their lifetime are called Mono carpic
6206. Penicillin is obtained from Mould
6207. Herpetology is the study of Reptiles
6208. Osteology is the study of Bones
6209. The botanical name for onion is Allium Cepa
6210. The study of heavenly bodies is called Astronomy
6211. Electric Lamp was invented by Thomas alva Edison
6212. The fear of crowd is called Ochlophobia
6213. The fear of books is called Bibliophobia
6214. The fear of going to bed is called Clinophobia
6215. Calcium sulphate is commonly called Plaster of Paris
6216. Sodium carbonate is commonly called Washing Soda
6217. Sodium chloride is commonly known as Common Salt
6218. The chemical name of Chloroform is Trichloromethane
6219. The chemical name of baking powder is Sodium bicarbonate
6220. The chemical name of bleaching powder is Calcium hypochlorite
6221. A fungus which can only survive on other living organisms is called Obligate Parasite
6222. A plant which lives in the dark is called Scotophyte
6223. Laser was invented by Dr.Charles H.Townes
6224. Thermostat is an instrument used for regulating Constant temperature
6225. The science of organic forms and structures is known as Morphology
6226. The fear of women is known as Gynophobia
6227. The fear of men is known as Androphobia
6228. The scientist who developed the Quantum theory was Max Plonck
6229. The acid used in a car battery is Sulphuric acid
6230. The system for writing by blind people was invented by Louis Braille
6231. The parachute was used for the first time by J.P.Blanchard
6232. The German physicit who first demonstrated the existence of Radio waves was Henrich
Hertz
6233. Fountain pen was invented by L.E.Waterman
6234. The role of heredity was demonstrated by Mendel
6235. The instrument used to measure the concentration of salt water is the
Salinometer
6236. Safety matches was invented by J.E.Lundstrom
6237. Dynamics is the study of Movements of bodies
6238. Statics is the study of Forces acting on bodies at rest
6239. Mechanics is the study of Forces acting on bodies
6240. The electro-cardiograph was invented by William Einthoven
6241. Chronometer was invented by John Harrison
6242. The study of antiquities is known as Archaeology
6243. The study of the duration of life is known as Chronobiology
6244. A deviation of light passing from one medium to another is known as Refraction
6245. An apparatus for generation of atomic energy is called a Reactor
6246.
MORE INFORMATION ABOUT VITAMINS
6247. Vitamin C is also called Ascorbic Acid it prevents scurvy
6248. Vitamin C is also necessary for utilization of iron
6249. The food which contains largest amount of Vitamin C is tomato
6250. Cod liver oil contains Vitamin D
6251. Collagen is the substance that gives elasticity to skin
6252. Vitamin E promotes oxygenation and acts as anti aging
6253. Carbon dioxide we release comes from food we eat
6254. Vitamin B2 has what other name Riboflavin
6255. Fats are made of carbon, hydrogen and oxygen
6256. Vitamin E is called anti-aging agent
6257. Vitamin E helps in fertility process
6258. Vitamin B helps maintain normal appetite and good digestion
6259. Water soluble vitamin are B and C and all other are fat soluble
6260. Vitamin A is stored as Ester in liver
6261. Vitamin A is found in carotene bearing plants
6262. Vitamin K helps to form prothrobin (fibro gin) one of the enzymes helpful in blood clotting
6263. Vitamin E is necessary for iron utilization; normal reproductive function. Vitamin E is for
6264.
Vitamin A is found in Dairy products
6265. Deficiency of Vitamin A causes Night blindness.
6266. Too much presence of the Potassium salt in human blood increase the risk of
6267.
The lack of calcium in the diet causes what condition-Rickets
6268. Celluloses are carbohydrates.
6269. Milk contains lactose.
6270. Vitamin C is a preventor of infectious disease
6271. Vitamin C is also called Skin food
6272. Vitamin C can easily be lost in cooking and food storage
6273. Vitamin D is essential for calcium metabolism.
6274. Vitamin C hastens healing of wounds
6275. Vitamin capable of formation of blood is B12
6276. Riches source of Vitamin D is code liver oil
6277. Riches source of Vitamin A is eggs
6278. Deficiency of Calcium leads to rickets
6279. Vitamin B1 is available is yeast.
6280. Scury, arising due to deficiency of vitamin C, it is related to Gastro-intestinal disorder.
6281. Sodium is necessary of nervous system.
6282. Vitamin D is essential for calcium metabolism.
6283. Cheese contains vitamin D.
6284. Vitamin C can not be stored in human body.
6285. Scurvy, arising due to deficiency of vitamin C, it is related to Gastro-intestinal disorder.
6286. Sodium is necessary of nervous system.
6287. Ground nut has maximum protein
6288. Digestion of fat in intestine is aided by Emulsification
6289. Hair, finger nails, hoofs, etc are all make of protein
6290.
Deficiency of sodium and potassium causes muscular cramps, headache and diahrae
6291.
Milk (contains 80% water) is a complete food.
6292. Cheese contains vitamin D.
6293. Vitamin E is for reproduction.
6294. Glucose is the source of energy for human brain.
6295. Major component of honey is Glucose
6296. Three main food nutrients are carbohydrates, protein and fats. Other are vitamins and
minerals
6297. Meat is rich in iron we need to make blood cells
6298. Eating of coconut increases man’s mental faculties
6299. Food poisoning can result from the eating of too much toadstools.
6300. Vitamin c is also known as Ascorbic Acid.
6301. Celluloses are carbohydrates.
6302. Milk contains lactose
6303. Ascorbic acid is essential for the formation of bones and teeth.
6304. Citric acid is a good substitution for ascorbic acid in our nutrition.
6305. A guava contains more vitamin C than an orange
6306. Vitamin not stored in human body C
SCIENTISTS
6307. Ibn baitar was a Botanist
6308. Kitab al Manazar on optical works was written by Ibn al Haitham
6309. Mamoon observatory was established during the reign of Caliph Mamoon
6310. Circulation of blood was described by a muslim scientist name Nafis Abdul al-Hasan.
6311. Al-Khwarizimi was first person who used zero.
6312. Muslim scientist Ali al Tabari is famous for his work on (medical sciences)
6313. Al Beruni discovered that light travels faster than sound.
Knowledge about COMPUTER
6314. Half byte = 1nibble = 4 bits 6315. Bit means Binary Digit
6316. 1 byte = 8 bits
6317. 1 mega byte = 1048576 bytes
6318. 1 kilo byte = 1024 bytes
6319. A combination of 16 bits are called word.
6320. A terabyte = 1 trillion bytes
6321. Our PC belongs to 4th generation
6322. Fred Cohen coined the word computer virus
6323. First computer virus was created in 1970 at Bell laboratories
6324. WORM means Write Once Read Many
6325. Power of a super computer is measured in FLOPS (Floating Point Operations per
6326. Second)
6327. WWW/http: (hypertext transfer protocol) was created by Tim Burner Lee in 1992
6328. Intel means Integrated Electronics
6329. 1 worksheet contains 256 columns
6330. G.W.Basic G.W stands for Gate Way
6331. Super Computer was created by J.H.Van Tassel
6332. CORBA is Common Object Request Broker Architecture
6333. URL is Uniform or Universal Resource Locator
6334. Intel invented RAM chip
6335. Information stored on disk as series of bumps on its shiny side.
6336. DVDs hold more information than CDs. They use smaller bumps and have two reflective
layers
6337. Recordable CDs do not have bumps. There are patches of color on disk to change the reflected laser light
6338. In 1951 Univac – 1, the world’s first commercial computer was designed by John
6339. Mauchly and J. Presper Eckert. They built ENIAC, the first electronic computer in 1946
6340. In 1968 mainframe was built.
6341. In 1976 first supercomputer the Cray-1 was developed
6342. In 1981 IBM produce the IBM PC.
6343. In 1998 IBM made quantum computer
6344. Super computers uses parallel processing
6345. In 1974, computer games were introduced.
6346. PROM is the abbreviation of programmable read only memory
6347. What was the world’s first high level programming language 1957: IBM FORTRAN
6348. A JPEG is a picture file format - what does JPEG stand for: Joint Photographic Experts
Group
6349. During World War II, IBM built the computers the Nazis used to manage their death/concentration camps
6350. Registers are temporary storage areas within the CPU.
6351. First apple computer was built in garage.
6352. The language of small talk is object oriented.
6353. Shell is an operating environment.
6354. Virtual memory is also known as virtual page.
6355. NOS refer to operating systems for a network.
6356. In EBCDIC each character is denoted by 8 bits.
6357. Diodes are used in analog computer circuits as limiter.
6358. Wetware stands for any organic intelligence.
6359. GIGO stands for garbage in garbage out.
6360. Application of flip-flap are counters, shift register and transfer register.
6361. Bootstrap is associated with computer.
6362. FORTRAN stands for formula translator.
6363. A group of character that is termed as a single entity is called word.
6364. Clip art is a computer prepared art.
6365. Mark sensing is another term for OMR.
6366. Authorization to make multiple software copies is called site licensing.
6367. Antivirus is also known as vaccines.
6368. Free software is also known as public domain software.
6369. In computer DFD stands for Data Flow Diagram.
6370. Cyber Space is called to Virtual world of the computer.
6371. What does the sun in SUN Microsystems stand for Stanford University Network
6372. What does Intel stand for- Integrated Electronics
6373. All PCs have a BIOS what does bios stand for-Basic Input Output System
6374. What is the common name for an integrated circuit A Chip
6375. In WWW terms what does i.e. mean on a domain name-Ireland
6376. What company introduced the first commercial minicomputer 65 DEC
6377. Name the first web browser publicly available NCSA Mosaic
6378. The world’s most powerful super computer is called ASCI white.
6379. World Wide Web was invented in 1993 by Tim Bareness Lee.
6380. The B-programming language was developed by Ken Thompson.
6381. The 1st commercially produced and sold computer (1951) was UNIVAC.
6382. The transformation from heavy computers to PCs was made possible using
microprocessors.
6383. The first microprocessor was developed in 1971 by Intel.
6384. A pentium 4 (P-4) employs roughly 40 million transistors.
6385. Mark-1, Apple-1, and collossus were initial desktop computers.
6386. Binary digits are briefed as bit.
6387. A collection of bits is called byte.
6388. ‘PARAM’ is a supercomputer.
6389. Father of the Computer.. Charles Babbage
6390. First artificial satellite was Sputnik-I sent by Soviet Union on October 4, 1957 6391. What country launched its first space rocket January 1961-Italy
6392. First human in space is Yuri Gagrin 1961 on USSR • First space scientist was Henry Quendis
6393. First woman in space was Valentine Khurachoof in 14 June, 1963
6394. Apollo XI enabled man to step on moon
6395. Generators convert mechanical energy into electricity. Nuclear energy is a cheap source of
abundant electricity.
6396. 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.
6397. Epiphytes is a plant that grows upon another plant.
6398. Joseph Aspdin is the inventor of cement.
6399. Neurology is the science of nervous system.
6400. Biochemistry is the application of statistics in the study of Biology.
6401. A sheet of muscles called diaphragm separates the chest from the abdomen.
6402. The pattern for building protein molecules is stored in the messenger RNA
6403. Anvil and stirrup are names of bones present in the EAR
6404. The young plant inside a grain of wheat is called the embryo plant
6405. In born behaviour that involve only one part of the body are called REFLEX ACTION
6406. Animals which obtain their food from dead organisms are called Scavengers
6407. Riboflavin is not affected by cooking.
6408. The number of chromosomes in the spermatozoa is twenty-three
6409. The energy possessed by a water fall is kinetic energy.
6410. Rainbows are produced by the reflection of light through raindrops.
6411. Light switches in our homes are connected in parallel series.
6412. Oil bulbs cleaner and is less damaging to the environment than coal as a fuel.
6413. Enzymes are biological catalysts which have multiple function in the body
6414. The difference between electrical charges at the two ends of a conductor is called Potential
difference.
6415. The branch of zoology which deals with the study of insects is called Entomology
6416. Fuels formed from animal and plant matter that lived thousands of years ago are known as fossil fuels
6417. Cryptograms is a coded message; a text or message that is in code or cipher
6418. Reserve food material is usually stored as starch in plants.Reserve food material is usually stored as glycogen in liver and muscles of animals.
6419. Purest form of iron is wrought iron
6420. Hypo is a solution of sodium thiosulphate
6421. Aorta is an organ of the circulatory system
6422. Circular aperture which appears as a dark spot in the eye is called pupil
6423. Bacteria are parasites
6424. Ruby is an Oxide of Aluminum
6425. Visible light energy has the wavelength range of 400 to 700 Nanometer.
6426. The particles with positive charge but having mass equal to that of electron is called Proton.
6427. Iron corrodes due to the formation of Iron OxideTransistors do not need a warm up period because they have no Filament.
6428. The type of radiation hat is unaffected by magnetic field is called Alpha.
6429. The Kelven scale of temperature is called the absolute scale.
6430. If we know the mass of an object and the force applied on it, it is possible to calculate
acceleration of the object.
6431. Arteries become hard due to deposition of Fats in them.
6432. What is the source of energy for the human brain? Phosphorous
6433. How many Ergs are these in 1 Joule? 107
6434. The unit of current is Ampere
6435. Who invented typewriter? Sholes
6436. The first attempt in printing was made in England by William Caxton
6437. Who was the surgeon who pioneered antiseptic surgery in 1865? Joseph Lister
6438. Who proposed the chemical evolution of life? Haechel .
6439. Who among the following evolved the concept of relationship between mass and energy?
Einstein
6440. Who discovered Uranus? Herschel
6441. Which of the following helps in clotting of blood? Vitamin K (Blood do not clotting due to heparin)
6442. Total volume of blood in a normal adult human being is 5-6 liters
6443. Which of the following have maximum calorific value? Carbohydrates
6444. Which of the following vitamins promote healthy functioning of eyes in human beings?
Vitamin A
6445. Bronchitis is a disease of which of the following organs? Respiratory tract
6446. Barium is used for X-ray of alimentary canal
6447. Which of the following pairs is incorrect? Poliomyelitis-monkey
6448. Which of the following statements is correct Pulmonary artery carries impure blood
6449. 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
6450. The of light in vacuum is about 300 Million kilometers per second
6451. Ice can be changed to water by Changing the motion of the water molecules
6452. The temperature of liquid nitrogen is -196°C
6453. Information can be sent over long distances in the form of Light signals through optical fibres
6454. Computers can Add and subtract information only.
6455. IBM stands for International Business Machines
6456. Chemicals used to kill weeds are called as Herbicides
6457. The cytoplasm consists of several types of structures, which are called
Organelles
6458. The structure of DNA was elaborated by Watson and Crick in 1953
6459. In a DNA molecules, the rulefor base pairing is Adenine always bound with thymine and cytosine with guanine
6460. As per eating habit, squirrels are Frugivorous
6461. Water loss from leaves through stomata is called as Transpiration
6462. Copper can be converted into gold by Artificial Radioactivity
6463. In winter an iron pipe feel colder than a wooden window . This is because wood is non- Conductor
6464. 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
6465. It is possible to recognize a person in the dark by simply hearing his unique voice . It is because of the pitch
6466. 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
6467. 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
6468. The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use Ultrasonic
6469. 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
6470. German silver is an alloy of approximately 60% copper, 20% nickle and 20% zinc
6471. The Continent Antarctica lies at the South pole
6472. 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
6473. Magnifying power of a simple microscope can be increased by increasing focal length of the lens
6474. 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 6475. A nuclear reactor is a device used to carry out controlled nuclear reaction whereas
GM counter is a device used to detect nuclear Radiation
6476. A body can escape the gravitational pull of the earth if it is thrown up with a velocity of 7 miles per sec
6477. Night vision is possible with the help of Infrared Rays
6478. Myopia is a defect of human eye. it can be corrected by using a lens called Concave lens
6479. Walnuts can be broken in the hand by squeezing two together but not one. It is because of Work done
6480. The planet Mercury completes one rotation around the sun is 88 days
6481. Fossils found in the lowest geological strata are generally most Primitive Evolution can be described as A continuing process
6482. What is the only source of new alleles? Mutation
6483. Polygenic characteristic are controlled by Multiple genes
6484. Which of the following , lists the four stages of food processing in order?ingestion , digestion ,
absorption , elimination
6485. The energy needed to fuel essential body processes is called recommended daily allowance
6486. Inhaled air passes through which of the following in the last? Bronchiole
6487. Cobalt is a material which is Strongly attracted by a magnet
6488. What is the chance of diabetic baby born to parents both heterozygous normal ?¼
6489. Role of biotechnology in the production of food based on Fermentation
6490. Which form of drug abuse involves most risk of infection with the HIV (AIDS) virus? Injection of heroine
6491. Chemical name of vinegar is Dilute acetic acid
6492. Defeciency of following vitamin decreases hemoglobin production Thiamine
6493. The most splendid and the most magnificient constellation on the sky is Orion
6494. Diamond is a very expensive ornament. It is composed of a single element Carbon
6495. Television signals are converted into light signals by Photo diode
6496. The number of spark plugs needed in a diesel engine is 0
6497. 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
6498. 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.
6499. Kilowatt-hour is a unit of Electric Current
6500. Fuel used in a Fast Breeder Reactor is Uranium Plutonium Oxide
6501. Monsoon is caused by Seasonal reversal of winds
6502. Which of the following atmospheric layers help in radio communication? Ionosphere
6503. A moderator is used in nuclear reactor in order to Slow down the speed of the neutrons
6504. Sedimentary rocks are Porous
6505. Quartz crystal in quartz watches work on the principle called Piezo-electric effect
6506. The fruits without seed, like banana, are called parthenocarpic fruits