- Calcium 75%
- Hydrogen 10%
- Carbon 18%
- Oxygen 65%
- b
-
Human Body consist of Top 12 elements which are:
Oxygen 65%
Carbon 18%
Hydrogen 10%
Nitrogen 3%
Calcium 1.4%
Phosphorus 1.1%
Potassium 0.2%
Sulphur 0.2%
Sodium 1.15%
Chlorine 0.15%
Magnesium 0.05%
Iron 0.0006%
Everyday Science MCQs
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Activity of Brain is recorded by:
- ECG
- EEG
- X-Ray
- None of these
- b
-
EEG stands for Electroencephalogram.
This recoded is usually performed in Epilepsy.
Earthquake waves travel faster in:
- Water
- Soil
- Air
- Flexible Rock
- a
-
There are two types of Earthquake waves, which are:
P Waves
P Waves travel fastest and arrive before Earthquake. P Waves travel fastest in Solid, Liquid and Gases.
S Waves
S Waves arrives after P Waves and generally in slow speed as compare to P Waves. S Waves travels in Solids only.
“Wheel” is a symbol of:
- Peace
- Speed
- Prosperity
- Progress
- d
The atmospheric pressure at any place is measure by:
- Barometer
- Thermometer
- Altimeter
- Pressure Meter
- a
-
Evangelista Torricelli invented the Barometer in 1644.
The transfer of heat when heat waves are dispersed from an object is called:
- Convection
- Conduction
- Radiation
- All of the above
- C
-
There are three types of heat transfer.
Convection
Conduction
Radiation
How much oxygen is present in the air?
- 21.50
- 22.94
- 21.94
- 20.94
- d
-
The composition of air is based on four element.
Oxygen 21%
Nitrogen 78%
Argon 0.93%
Carbon Dioxide 0.04%
Mechanics, Heat, Light and Sound are the branches of:
- Physics
- Biology
- Chemistry
- Biochemistry
- a
-
Galileo Galilei is founder of modern Physics.
Total number of small and large bones in the human body are:
- 240
- 206
- 300
- 360
- b
-
There are 300 bones in a new born baby but merges with each others with the passage of time and form 206 bones.
The symbol of Hydrogen is:
- H
- HI
- HY
- HO
- a
-
Hydrogen is third most abundant element of the universe.
The atomic number of Hydrogen is 1.