CNG is the abbreviation of ______?
A. Converted Natural Gas
B. Conduced Natural Gas
C. Conducted Natural Gas
D. Compressed Natural Gas
Which from the following is NOT a conductor?
A. Aluminium
B. Silicon
C. Graphite
D. All are conductors
A camera uses a ____ to form an image.
A. convex lens
B. concave lens
C. condenser lens
D. none of these
Deficiency of Vitamin-D results in ______.
A. night blindness
B. rickets
C. scurvy
D. hair fall
Each day human body breathe in ______ liters of air.
A. 5,000 to 10,000
B. 10,000 to 15,000
C. 15,000 to 20,000
D. 20,000 to 25,000
The most abundant element in the Earth’s crust is ______.
A. Oxygen
B. Hydrogen
C. Carbon Dioxide
D. Silicon
The most abundant element in the universe is ______.
A. Oxygen
B. Hydrogen
C. Carbon Dioxide
D. Silicon
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