General Knowledge MCQs

16403 MCQs  (Page 1079 of 1641)

Which instrument is used to measure blood pressure?
A. Sphygmomanometer
B. thermometer
C. barometer
D. stethoscope
One molecule of water is composed of:
A. two hydrogen atoms, two oxygen atoms
B. one atoms of hydrogen, one atomof oxygen
C. two atoms of hydrogen. one atom of oxygen
D. one atom of hydrogen, two atoms of oxygen
Short Shortsightedness can be corrected by
A. convex lens
B. concave lens
C. convex-concave lens
D. None of these
Acid rain contains high level of________.
A. oxalic acid
B. sulphuric acid
C. nitric acid
D. both b & c
Seismograph is a scientific instrument used for:
A. recording earthquakes
B. recording fluctuations in blood pressure
C. detecting underground gas fields
D. None of these
Deficiency of Vitamin A causes:
A. night blindness
B. day blindness
C. complete blindness
D. None of these