What divides the Earth into the Northern and the Southern Hemispheres?
A. Axis of rotation
B. Equator
C. North Pole
D. South Pole
A. Axis of rotation
B. Equator
C. North Pole
D. South Pole
A. 271 K
B. 272.2 K
C. 273.16 K 
D. None of these
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. None of these
A. An Israeli radar system
B. An American anti-missile system
C. A defence collaboration between Japan and South Korea
D. A device used in nuclear-fusion research for magnetic confinement of plasma
A. a series of refractions
B. a series of reflections
C. a surface tension phenomenon
D. multiple diminishing brightness
A. Magnesium and Vitamin D
B. Iron and Vitamin B
C. Iron and Vitamin C
D. calcium and vitamin C
A. Proxima Centurai
B. Alpha Scorpii
C. Beta Orionis
D. Vega
A. Aluminum Oxide
B. Calcium Carbonate 
C. Calcium Sulphate
D. None of these
A. Sit has high resistance
B. the body is earthed
C. it does not form a closed path for the flow of current
D. its feet are good insulators
A. Black
B. Grey
C. Eigengrau
D. None of these