Everyday Science MCQs

5120 MCQs  (Page 136 of 512)

‘Bar’ is the unit of___________?
A. Temperature
B. Heat
C. Atmospheric pressure
D. Current
Which of the following does not pollute the air?
A. Nitrogen dioxide
B. Sulfur dioxide
C. Carbon dioxide
D. None of these
The one which can break open a plasmid ring is__________?
A. Ligase enzyme
B. Primase enzyme
C. Restriction endonuclease
D. Atp-ase enzyme
kilohertz (kHz) is a unit which measures?
A. Power used by a current of one ampere
B. Electromagnetic radio wave frequencies
C. Voltage
D. Electric resistance
The study of heavenly bodies is known as_________?
A. Astrology
B. Astronautics
C. Astronomy
D. Astrophysics