Skip to content- ▪ Lock Jaw, i.e., difficulty in opening the mouth is a symptom of Tetanus
- ▪ Lungs are situated in the Thoracic cavity
- ▪ Enzymes help in Digestion of food. Food is normally digested in the Small intestines.
- ▪ The planet of the solar system which has maximum numbers of Moon is Jupiter (as of 2011)
- ▪ A unit of length equal to the average distance between the earth and sun is called
- Astronomical unit
- ▪ 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
- ▪ Which rocks are formed by the alteration of pre-existing rocks by great heat or pressure Metamorphic rocks
- ▪ The most abundant natural Iron oxides are Hematite and Magnetite. ▪ The most abundant elements in sea water Sodium and Chlorine
- The unit of home electricity energy consumption is Kilowatt hour
- The speed of sound in dry air at 20 C is about (343 m/s)
- The time light takes from Sun to reach Earth is 8 minutes
- ▪ Light from Sun travels a distance before it reaches Earth 150 Million Km
- ▪ The most suitable thermometer for measuring the boiling point of water is Mercury thermometer
- ▪ The density of water is greatest at 4°C
- ▪ A vacuum can not conduct heat
- ▪ The building blocks of elements are called Molecules
- ▪ Boiling of an egg is a change which is Chemical
- ▪ The usual raw material for ceramics, generally found beneath the top soil is? Clay
- ▪ Polyamides are synthetic polymers commonly known as Nylon
- ▪ Telephone was invented in 1876 in America by Graham Bell.
- ▪ Man belongs to the family Hominidae
- ▪ To measure the specific gravity of milk, the instrument used is Lactometer
- ▪ one of the fundamental characteristics of living organisms is Metabolism
- ▪ Water is heated in a kettle. The inside water is heated by convection. A person sitting near the fire receives heat by Radiation
- ▪ Three elements needed for the healthy growth of plants are N,P,K
- ▪ Parsec is a unit of Distance
- ▪ Twinkling of stars is caused by refraction of light
- ▪ In humans , most nutrient molecules are absorbed by the small intestine
- ▪ Laughing gas has chemical composition of the following two elements which are Nitrogen + oxygen
- Hepatitis A is transmitted to different individuals by Water
- The unit that coordinates different devices of the computer system is Control unit
- Cancer can be treated by Chemotherapy and radiotherapy
- ▪ The name of the common mineral salt present in sea is Sodium Chloride
- ▪ Founder of modern astronomy was Nicolas Copernicus
- ▪ The instrument which measures very high temperature is Pyrometer
- ▪ Chemical used to kill rats and mice are Rodenticides
- ▪ The position of earth in its orbit, when it is at its greatest distance from the sun causing northern summer is called Aphelion
- The position of earth in its orbit, when it is at its greatest distance from the sun causing northern summer is called Aphelion
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