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