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The Sun is a __________?
A. Star
B. Planet
C. Asteroid
D. Meteor
The gas used in a refrigerator to cool water is___________?
A. Nitrogen
B. Carbon dioxide
C. Methane
D. Tetrafluoroethane
The average adult has a blood volume of about __________ liters.
A. 4
B. 5
C. 6
D. 7
The most abundant element in the universe is __________
A. Oxygen
B. Hydrogen
C. Carbon Dioxide
D. Silicon
The most abundant element in the Earth’s crust is __________?
A. Oxygen
B. Hydrogen
C. Carbon Dioxide
D. Silicon
Each day the human body breathes 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
Deficiency of Vitamin-D results in __________?
A. night blindness
B. rickets
C. scurvy
D. hair fall
The SI unit of “pressure” is _________
A. pascal
B. joule
C. tesla
D. henry
The densest substance on the Earth is __________.
A. Platinum
B. Copper
C. Steel
D. Osmium
A camera uses a __________ to form an image.
A. convex lens
B. concave lens
C. condenser lens
D. none of these
Which from the following is NOT a conductor?
A. Aluminium
B. Gold
C. Graphite
D. All are conductors
The most abundant element in the Earth’s crust is?, The SI unit of “pressure” is,Which from the following is NOT a conductor?,The densest substance on the Earth is,Deficiency of Vitamin-D results in