Short-sightedness can be corrected by Concave lens.
Dengue is caused by which type of mosquito aedes.
Vill are small finger like structures in the small intestine.
The raw material used for the manufacture of Glass and Cement is Limestone.
Red, blue and green are the primary colors.
The milk needs to be heated for complete pasteurization at 1C1 F for, 15 seconds.
In the manufacture of banaspati ghee, the gas used is Hydrogen.
Carbon dioxide is used in the preparation of soft drinks.
Soft drinks made with chilled water rather than water at room temperature due to chilled water attracts more carbon dioxide.
Typhoid and cholera are typical examples of water borne diseaees.
The cheapest source of electricity is hydel.
Photosynthesis take place faster in white light.
The filament of an electric bulb is made of Tungsten.
After fertilization, a fruit develops from ovary
Silicon is found common in glass, cement, china clay and quartz.
Vaccines are meant for treatment of bacteria, viruses or one of their proteins.
Bronze is an alloy.
The unit for measuring intensity of noise is called Decibel.
Oxalic Acid solution will you use to remove rust stains on cloth.
Centigrade scales were devised by Celsius.
When water is heated from 0 C to 10C the volume of water first decreases, then increases.
82C is the freezing point of heavy water.
Coniferous forests have low biodiversity than tropical rain forest.
A Satellite moving round the earth with a uniform speed has Uniform acceleration.
For being able to see three dimensional pictures we have to use an epidiascope
In a photographic camera fitted with a convex lens, which of the following inverted and real images will be formed on the film.
In the modern day computers, when operational, the electrical impulses travel nearly at the speed of light.
A magnet freely suspended by means of a string will always set itself in North- South directions.
Water has maximum density at 4K.
AIDS virus destroys the immune system of the human body.
The AIDS virus is called HIV.
The main chemical substance present in the bones and teeth of animals in Calcium Phophate.
The Diagraphamatic hernia found in Dogs.
Mummified fetus common in Sow.
A girl ate sweets while fanning the flies away Due to this, she suffered from a disease diagnosed as Cholera.
Bees must collect nectar from approximately 20 million flowers to make 1 pound of honeycomb.
The major component of honey is Glucose.
The working principle of a washing machine is Centrifugation.
Radioactivity was first discovered by Madam.
Helium gas is commonly used in balloons and airships.
Cylindrical glasses are advised to a patient suffering from Astigmatism.
Radioactivity was first discovered by Madam.
A slow running pendulum clock can be speeded up by reducing the length of the rod.
Linotype is the invention of Mergenthaler.
Cylinder lock is invented by Yale.
A man is standing on a weighting machine in a lift which is moving. The weighting machine was show minimum reading when, the lift is moving in a free fall due to failure of the lift mechanism.
Video is used to converted picture into electrical signals.
The wave used for sending signals to the satellite from ground station is Micro waves.
The procedure of crushing the gallstones and kidney stone by laser is called Litotripsy.
The approximate intensity level fo the sound which can caused damage to the ear drum is 100db.
Pepsinogen is converted into stomach in Pepsin.
Yeast is essential in making of bread because it produces Carbon dioxide.
Drugs are exerted through kidney.
Oxyhaemoglobin has Red Bright Color.
Fuse wire is made of 63% tin and 37% lead.
A nitrogen oxide is the main culpr8it in the thinning of Ozone layer in the earth’s stratosphere.
Heating element of an electric heater is made up of nichrome.
As the temperature of ice rises, the ice melts and its density increase.
Chlorine is ued for purification of water.
Pure gold is 24 carat.
Carbon monoxide used for manufacture of glasses are sand soda limestone.
The nucleus of a hydrogen atom consists of one proton and one neutron.
The gas used in the manufacture of Banaspati ghee is Hydrogen.
The raw material from which rayon is manufactured is cellouse.
Brass is an alloy of copper and zinc.
Swingometer is used measure swing in vote during an election.
Sphygomograph is used to measure recording pulse
An element found in all organic compounds is carbon.
The most commonly used bleaching agent is chlorine.
Silver bromide chemicals are used in photograph.
Urea is the first organic compound to be synthesized in a laboratory.
Acetylene and oxygen mixture of is required in gas widing.
One horse power is equal to 746 watts.
The newly discovered high-temprature superconductors are ceramic oxides.
Pasterurized milk is specially treated milk in order to kill bacteria.
Vail is the inventor of electric iocomotive.
Stephenson is the inventor of practical iocomotive.
Heat received y the earth from the sun is known as solar radiation.
In the manufacture of safety matches. Red phosphorus materials are used to coat the two sides of the match box.
Coke is made by heating coal in the absence of air at 1300C.
Gas bills ar charged in BTU.
In BTU system, one BTU is equal to 10.55 joule.
All forms of energy that we use are ultimately transformed into Heat energy.
In Brazil alcohol is used as fuel for vehicles .
The device used for the mesurment of current, voltage and resistance is AVO meter.
Silicon is a semi-conductor.
Mica is sued in an electric iron because it is a bead conductor of lectricity.
Cooking is quicker in a pressure cooker because it increases boling point of water.
Storage batteries commonly contain lead.
Water is a universal solvent for Biochemical reactions.
Speedometer us used to measure velocity.
An element common to all acids is hydrogen.
Pteroleum consists of a complex mixture of Hydrocarbons.
The volume percentage of nitrogen in air is 78%
Air contains volume of carbon dixodie approximately 0.04%.
Carbon dioxide gas is responsible for global warming.
Ice floats because density of water is greater then ice.
The gases which are used by divers as an artificial atmoshphere are helium and oxygen.
The second most abundant metal found in earth crust is iron.
Calcium is involved in blood clotting.
Deficiency of chloride causes the impaired growth in infants.
