Everyday Science
Very High Frequency (VHF) have __________ wavelengths?
A) Shorter
B) Shortest
C) Longer
D) Longest
Long-sight defect could be corrected by using __________ lens?
A) Concave
B) Convex
C) Diverging
D) None of these
Deficiency of Vitamin-A results in __________?
A) Night blindness
B) Rickets
C) Scurvy
D) Hair fall
For a fixed mass of gas at constant temperature, if we decrease volume, the pressure will _________?
A) Also decrease
B) Increase
C) Remains constant
D) None of these
The lifespan of Red Blood Cells is __________ days?
A) 60
B) 120
C) 180
D) 240
The density of water is __________?
A) 1 g/cm3
B) 1.5 g/cm3
C) 2 g/cm3
D) None of these
Radioactivity was discovered by __________?
A) Kelvin
B) Thomson
C) Rutherford
D) Bacquerel
A device which converts chemical energy into electrical energy is called __________?
A) Motor
B) Generator
C) Moving-coil meter
D) Battery
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) Ammonia
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 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
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
CNG stands for?
A) Converted Natural Gas
B) Conduced Natural Gas
C) Conducted Natural Gas
D) Compressed Natural Gas
Which from the following is true for “Sound”?
A) Sound cannot travel through a vacuum
B) Sound cannot travel through gases
C) Sound cannot travel through liquids
D) Sound cannot travel through solids