- UV rays
- X-Rays
- Gamma Rays
- Infrared Rays
- A
-
Ozone formula is O3.
Ozone is an organic molecule.
The molar mass of Ozone is 48.
Everyday Science MCQs
All Everyday Science MCqs from Current & Past Papers have uploaded on ETEST Website. All Everyday Science MCQs are solved with complete detail. Visitors should visit ETEST Website regularly for Best Jobs Tests Preparation because ETEST Team updates ETEST Website on daily basis.
We use ammeter to measure the _____
- Current
- Voltage
- Electromotive Force
- Charge
- A
-
Ammeter is used to measure current (AC & DC).
AC stands for Alternative Current.
DC stands for Direct Current.
Ammeter was invented by Friedrich Dexler in 1884.
A light year is distance _____
- Travelled by Earth in one year
- Of Galaxy from Earth
- Travelled by the nearest star in one year
- Travelled by light in one year
- D
-
A light year is a unit of distance.
Light travels at a velocity of 300,000 Km/sec.
One light year is equal to 9.5 X 1012 Km.
Most prominent gas which leads to acidification is _____
- Hydrogen
- Oxygen
- Sulfuric Dioxide
- Nitrogen
- C
-
Sulfuric Dioxide gas usually emitted from the industries.
Sulfuric Dioxide is main cause of Acidic Rain.
The planet ____ is heaviest planet in solar system?
- Mars
- Serum
- Jupiter
- Uranus
- C
-
Saturn is the lightest planet in our solar system.
Which disease chiefly occurs due to over eating or taking an ill balanced food?
- Dyspepsia or Indigestion
- Diarrhea
- Constipation
- Dysentery
- A
-
Over eating is also cause of Diabetes, Heart disease and stroke.
The foods with very high energy source are:
- Carbohydrates
- Fats
- Proteins
- Minerals
- A
-
Carbohydrates, Proteins, Fats are very high sources of energy.
Fats have maximum Calorific Value.
“Richter Scale” is used for measuring:
- Rainfall
- Water level in the dam
- Magnitude of Earthquake
- Magnitude of Velocity
- C
-
Richter Scale was invented by Charles Richter in 1930.
The smallest particles of the soil are:
- Sand
- Silt
- Clay
- Mud
- C
-
The clay particles average size is 0.0002 mm.
The average size of sand is 0.0625 mm.
The average size of silt is 0.002 mm.
Ozone layer above earth’s atmosphere:
- Prevents infrared rays radiation from sun reaching earth
- Prevents infrared rays reflected from earth from escaping earth’s atmosphere
- Prevents Ultraviolet rays from sun
- Reflects back Radio Wave
- C
-
Ozone layer is found in the Stratosphere.
Stratosphere is at the height of 15-30 Km from earth surface.
Ozone layer absorbs UV B radiations produce resistance tor reach earth.
