▪ Ice melting at poles is because of Ozone depletion.
Afforestation stands for planting of new Trees.
▪ 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.
▪ On boiling egg hardens which indicates the presence of Protein.
▪ Abusive drugs damage cells of Brain.
▪ In modern television Cathode Ray Tube is replaced with Transistor.
▪ 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.
▪ Stainless Steel contains chromium, Iron and corban.
▪ Red blood cells have no nucleus.
▪ Pain in ears when aero plane goes down because of High Air pressure.
▪ The maximum limit of sound beyond which a person can become deaf is 129 db.
▪ 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 dangerous when ever natural gas leak somewhere repair or block this leakage its very harmful for human body and children’s as well.
▪ The tiny air sacs in the lungs tissues are called Alveoli.
▪ The quantity of charge that is stored in a condenser is measured in Coulombs and SI unit of pressure is Pascal.
▪ The deficiency of Vitamin E causes sterility in men and women.
▪ A xerophyte or xerophytes organism is a plant that has adapted to survive in an environment that lacks water, such as a desert.
▪ 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.
▪ 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.