General Knowledge MCQs

16403 MCQs  (Page 1513 of 1641)

Light-year is a unit of?
A. Time
B. Distance
C. Speed
D. Any oft hese
The study of the Earth's atmosphere is called?
A. Geology
B. Metaorology
C. Hydrology
D. Ecology
Cataract is a disease of
A. Eye
B. Throat
C. Lungs
D. None of these
Which Instrument is used to measure blood pressure:
A. Sphygmomanometer
B. stetoscope
C. stretosphere
D. None of thesea
Which is used as buffer of environment?
A. trees
B. Cars and industries
C. Rivers
D. All of these
Unit of environment:
A. Biotic
B. Abiotic
C. Ecosystem
D. Ecology