The process of making copies of DNA is called? Transcription Replication Mutation Translation Read Notes
The basic physical and functional unit of heredity is called _____? Chromosome Gene Cell None of these Read Notes
The distance between two successive crests or troughs of a wave is called ______? Frequency Amplitude Velocity Wavelength Read Notes
The ozone layer protects the earth from rays sent by the sun? Radioactive rays Infrared rays Gamma rays Ultraviolet rays Read Notes
A reaction in which heat energy is absorbed or taken into the system is called __________? Exothermic reaction Endothermic reaction Elimination reaction Thermite reaction Read Notes
The atmospheric pressure at any place is measured by _____? Altimeter Pressure Meter Thermometer Barometer Read Notes
Ozone Layer restricts which one of the following? Infrared Rays Ultraviolet Rays X-Rays Gamma Rays Read Notes
A reaction in which heat energy is absorbed or taken into the system is called __________?Everyday Science
Which gas is used to create a cold, inert atmosphere for preserving food or specimens, known as cryo-preservation?Everyday Science, Gases
