Which are the basic structural and functional units of the nervous system? Axons Nephrons Neurons None of these Read Notes
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
