Formation of RNA by DNA is called?
A. Transcription
B. Recovery
C. Formation of Cells
D. All of these
Who invented the railway engine
A. Srephen hawking
B. Newton
C. Charles Smith
D. George Stephenson
Why does ice float on water?
A. Because ice is less dense than water.
B. Because ice is more dense than water.
C. Because ice is colder than water.
D. None of these
Radioactivity is measured by which device?
A. Geiger counter
B. Radioactivity meter
C. Roll counter
D. None of these