Science Facts Set-8

• Genetic Engineering is the modification of genetic information of living organisms by the manipulation of DNA (Deoxyribonucleic Acid).
• Thrombosis is the formation of a blood clot (Thrombus) within an intact blood vessel.
• CHD means Coronary Heart Disease and RHD means Rheumatic Heart Disease.
• RADAR is an acronym RAdio Detection And Ranging.
• James Clark Maxwell was the first to give postulates of Electromagnetic waves.

• Steel is an alloy of iron containing 0.25%-2% carbon.
• Graphite is a non-metal but it is a good conductor of electricity.
• Chemical reactions in which oxidation and reduction take place simultaneously are called redox reactions.
• Frogs use their skin, buccal cavity or lungs to respire.
• EEG means Electroencephalography. It is used in neurology.